/* kernel reading from page with U-mapping */
phys_addr_t paddr = (unsigned long)page_address(page);
- unsigned long vaddr = page->index << PAGE_CACHE_SHIFT;
+ unsigned long vaddr = page->index << PAGE_SHIFT;
if (addr_not_cache_congruent(paddr, vaddr))
__flush_dcache_page(paddr, vaddr);
*/
if (mapping && cache_is_vipt_aliasing())
flush_pfn_alias(page_to_pfn(page),
- page->index << PAGE_CACHE_SHIFT);
+ page->index << PAGE_SHIFT);
}
static void __flush_dcache_aliases(struct address_space *mapping, struct page *page)
* data in the current VM view associated with this page.
* - aliasing VIPT: we only need to find one mapping of this page.
*/
- pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+ pgoff = page->index;
flush_dcache_mmap_lock(mapping);
vma_interval_tree_foreach(mpnt, &mapping->i_mmap, pgoff, pgoff) {
if (!mapping)
return;
- pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+ pgoff = page->index;
/* We have carefully arranged in arch_get_unmapped_area() that
* *any* mappings of a file are always congruently mapped (whether
return -ENOMEM;
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = SPUFS_MAGIC;
sb->s_op = &s_ops;
sb->s_fs_info = info;
sbi->uid = current_uid();
sbi->gid = current_gid();
sb->s_fs_info = sbi;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = HYPFS_MAGIC;
sb->s_op = &hypfs_s_ops;
if (hypfs_parse_options(data, sb))
* release the pages we didn't map into the bio, if any
*/
while (j < page_limit)
- page_cache_release(pages[j++]);
+ put_page(pages[j++]);
}
kfree(pages);
for (j = 0; j < nr_pages; j++) {
if (!pages[j])
break;
- page_cache_release(pages[j]);
+ put_page(pages[j]);
}
out:
kfree(pages);
if (bio_data_dir(bio) == READ)
set_page_dirty_lock(bvec->bv_page);
- page_cache_release(bvec->bv_page);
+ put_page(bvec->bv_page);
}
bio_put(bio);
struct page *page = bvec->bv_page;
if (PageDirty(page) || PageCompound(page)) {
- page_cache_release(page);
+ put_page(page);
bvec->bv_page = NULL;
} else {
nr_clean_pages++;
goto fail_id;
q->backing_dev_info.ra_pages =
- (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
+ (VM_MAX_READAHEAD * 1024) / PAGE_SIZE;
q->backing_dev_info.capabilities = BDI_CAP_CGROUP_WRITEBACK;
q->backing_dev_info.name = "block";
q->node = node_id;
struct queue_limits *limits = &q->limits;
unsigned int max_sectors;
- if ((max_hw_sectors << 9) < PAGE_CACHE_SIZE) {
- max_hw_sectors = 1 << (PAGE_CACHE_SHIFT - 9);
+ if ((max_hw_sectors << 9) < PAGE_SIZE) {
+ max_hw_sectors = 1 << (PAGE_SHIFT - 9);
printk(KERN_INFO "%s: set to minimum %d\n",
__func__, max_hw_sectors);
}
**/
void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)
{
- if (max_size < PAGE_CACHE_SIZE) {
- max_size = PAGE_CACHE_SIZE;
+ if (max_size < PAGE_SIZE) {
+ max_size = PAGE_SIZE;
printk(KERN_INFO "%s: set to minimum %d\n",
__func__, max_size);
}
**/
void blk_queue_segment_boundary(struct request_queue *q, unsigned long mask)
{
- if (mask < PAGE_CACHE_SIZE - 1) {
- mask = PAGE_CACHE_SIZE - 1;
+ if (mask < PAGE_SIZE - 1) {
+ mask = PAGE_SIZE - 1;
printk(KERN_INFO "%s: set to minimum %lx\n",
__func__, mask);
}
static ssize_t queue_ra_show(struct request_queue *q, char *page)
{
unsigned long ra_kb = q->backing_dev_info.ra_pages <<
- (PAGE_CACHE_SHIFT - 10);
+ (PAGE_SHIFT - 10);
return queue_var_show(ra_kb, (page));
}
if (ret < 0)
return ret;
- q->backing_dev_info.ra_pages = ra_kb >> (PAGE_CACHE_SHIFT - 10);
+ q->backing_dev_info.ra_pages = ra_kb >> (PAGE_SHIFT - 10);
return ret;
}
if (blk_queue_cluster(q))
return queue_var_show(queue_max_segment_size(q), (page));
- return queue_var_show(PAGE_CACHE_SIZE, (page));
+ return queue_var_show(PAGE_SIZE, (page));
}
static ssize_t queue_logical_block_size_show(struct request_queue *q, char *page)
{
unsigned long max_sectors_kb,
max_hw_sectors_kb = queue_max_hw_sectors(q) >> 1,
- page_kb = 1 << (PAGE_CACHE_SHIFT - 10);
+ page_kb = 1 << (PAGE_SHIFT - 10);
ssize_t ret = queue_var_store(&max_sectors_kb, page, count);
if (ret < 0)
* idle timer unplug to continue working.
*/
if (cfq_cfqq_wait_request(cfqq)) {
- if (blk_rq_bytes(rq) > PAGE_CACHE_SIZE ||
+ if (blk_rq_bytes(rq) > PAGE_SIZE ||
cfqd->busy_queues > 1) {
cfq_del_timer(cfqd, cfqq);
cfq_clear_cfqq_wait_request(cfqq);
return -EINVAL;
bdi = blk_get_backing_dev_info(bdev);
return compat_put_long(arg,
- (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);
+ (bdi->ra_pages * PAGE_SIZE) / 512);
case BLKROGET: /* compatible */
return compat_put_int(arg, bdev_read_only(bdev) != 0);
case BLKBSZGET_32: /* get the logical block size (cf. BLKSSZGET) */
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
bdi = blk_get_backing_dev_info(bdev);
- bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
+ bdi->ra_pages = (arg * 512) / PAGE_SIZE;
return 0;
case BLKGETSIZE:
size = i_size_read(bdev->bd_inode);
if (!arg)
return -EINVAL;
bdi = blk_get_backing_dev_info(bdev);
- return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);
+ return put_long(arg, (bdi->ra_pages * PAGE_SIZE) / 512);
case BLKROGET:
return put_int(arg, bdev_read_only(bdev) != 0);
case BLKBSZGET: /* get block device soft block size (cf. BLKSSZGET) */
if(!capable(CAP_SYS_ADMIN))
return -EACCES;
bdi = blk_get_backing_dev_info(bdev);
- bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
+ bdi->ra_pages = (arg * 512) / PAGE_SIZE;
return 0;
case BLKBSZSET:
return blkdev_bszset(bdev, mode, argp);
{
struct address_space *mapping = bdev->bd_inode->i_mapping;
- return read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
- NULL);
+ return read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_SHIFT-9)),
+ NULL);
}
unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p)
if (PageError(page))
goto fail;
p->v = page;
- return (unsigned char *)page_address(page) + ((n & ((1 << (PAGE_CACHE_SHIFT - 9)) - 1)) << 9);
+ return (unsigned char *)page_address(page) + ((n & ((1 << (PAGE_SHIFT - 9)) - 1)) << 9);
fail:
- page_cache_release(page);
+ put_page(page);
}
p->v = NULL;
return NULL;
WARN_ON(d->flags & DEVFL_UP);
blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS);
q->backing_dev_info.name = "aoe";
- q->backing_dev_info.ra_pages = READ_AHEAD / PAGE_CACHE_SIZE;
+ q->backing_dev_info.ra_pages = READ_AHEAD / PAGE_SIZE;
d->bufpool = mp;
d->blkq = gd->queue = q;
q->queuedata = d;
struct page *page, int rw)
{
struct brd_device *brd = bdev->bd_disk->private_data;
- int err = brd_do_bvec(brd, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ int err = brd_do_bvec(brd, page, PAGE_SIZE, 0, rw, sector);
page_endio(page, rw & WRITE, err);
return err;
}
blk_queue_max_hw_sectors(q, max_hw_sectors);
/* This is the workaround for "bio would need to, but cannot, be split" */
blk_queue_max_segments(q, max_segments ? max_segments : BLK_MAX_SEGMENTS);
- blk_queue_segment_boundary(q, PAGE_CACHE_SIZE-1);
+ blk_queue_segment_boundary(q, PAGE_SIZE-1);
if (b) {
struct drbd_connection *connection = first_peer_device(device)->connection;
set_page_dirty(page);
mark_page_accessed(page);
- page_cache_release(page);
+ put_page(page);
}
sg_free_table(ttm->sg);
release:
for_each_sg(sgt->sgl, sg, num, i)
- page_cache_release(sg_page(sg));
+ put_page(sg_page(sg));
free_table:
sg_free_table(sgt);
free_sgt:
if (dobj->obj.filp) {
struct scatterlist *sg;
for_each_sg(sgt->sgl, sg, sgt->nents, i)
- page_cache_release(sg_page(sg));
+ put_page(sg_page(sg));
}
sg_free_table(sgt);
fail:
while (i--)
- page_cache_release(pages[i]);
+ put_page(pages[i]);
drm_free_large(pages);
return ERR_CAST(p);
mark_page_accessed(pages[i]);
/* Undo the reference we took when populating the table */
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
drm_free_large(pages);
drm_clflush_virt_range(vaddr, PAGE_SIZE);
kunmap_atomic(src);
- page_cache_release(page);
+ put_page(page);
vaddr += PAGE_SIZE;
}
set_page_dirty(page);
if (obj->madv == I915_MADV_WILLNEED)
mark_page_accessed(page);
- page_cache_release(page);
+ put_page(page);
vaddr += PAGE_SIZE;
}
obj->dirty = 0;
if (obj->madv == I915_MADV_WILLNEED)
mark_page_accessed(page);
- page_cache_release(page);
+ put_page(page);
}
obj->dirty = 0;
err_pages:
sg_mark_end(sg);
for_each_sg_page(st->sgl, &sg_iter, st->nents, 0)
- page_cache_release(sg_page_iter_page(&sg_iter));
+ put_page(sg_page_iter_page(&sg_iter));
sg_free_table(st);
kfree(st);
set_page_dirty(page);
mark_page_accessed(page);
- page_cache_release(page);
+ put_page(page);
}
obj->dirty = 0;
set_page_dirty(page);
mark_page_accessed(page);
- page_cache_release(page);
+ put_page(page);
}
sg_free_table(ttm->sg);
goto out_err;
copy_highpage(to_page, from_page);
- page_cache_release(from_page);
+ put_page(from_page);
}
if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP))
copy_highpage(to_page, from_page);
set_page_dirty(to_page);
mark_page_accessed(to_page);
- page_cache_release(to_page);
+ put_page(to_page);
}
ttm_tt_unpopulate(ttm);
if (NULL != (page = vsg->pages[i])) {
if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction))
SetPageDirty(page);
- page_cache_release(page);
+ put_page(page);
}
}
case dr_via_pages_alloc:
{
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
static void free_buffers(struct page *page)
{
if (dma->pages) {
for (i = 0; i < dma->nr_pages; i++)
- page_cache_release(dma->pages[i]);
+ put_page(dma->pages[i]);
kfree(dma->pages);
dma->pages = NULL;
}
{
struct inode *root;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = IBMASMFS_MAGIC;
sb->s_op = &ibmasmfs_s_ops;
sb->s_time_gran = 1;
if (dirty)
set_page_dirty(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
pages[i] = NULL;
}
}
* They have to set these according to their abilities.
*/
host->max_segs = 1;
- host->max_seg_size = PAGE_CACHE_SIZE;
+ host->max_seg_size = PAGE_SIZE;
- host->max_req_size = PAGE_CACHE_SIZE;
+ host->max_req_size = PAGE_SIZE;
host->max_blk_size = 512;
- host->max_blk_count = PAGE_CACHE_SIZE / 512;
+ host->max_blk_count = PAGE_SIZE / 512;
return host;
}
mmc->caps |= pd->caps;
mmc->max_segs = 32;
mmc->max_blk_size = 512;
- mmc->max_req_size = PAGE_CACHE_SIZE * mmc->max_segs;
+ mmc->max_req_size = PAGE_SIZE * mmc->max_segs;
mmc->max_blk_count = mmc->max_req_size / mmc->max_blk_size;
mmc->max_seg_size = mmc->max_req_size;
}
}
- if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
+ if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_SIZE ||
(align & PAGE_MASK))) || !multiple) {
ret = -EINVAL;
goto pio;
}
}
- if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
+ if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_SIZE ||
(align & PAGE_MASK))) || !multiple) {
ret = -EINVAL;
goto pio;
mmc->caps2 |= pdata->capabilities2;
mmc->max_segs = 32;
mmc->max_blk_size = 512;
- mmc->max_blk_count = (PAGE_CACHE_SIZE / mmc->max_blk_size) *
+ mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) *
mmc->max_segs;
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
mmc->max_seg_size = mmc->max_req_size;
/* Set .max_segs to some random number. Feel free to adjust. */
mmc->max_segs = 32;
mmc->max_blk_size = 512;
- mmc->max_req_size = PAGE_CACHE_SIZE * mmc->max_segs;
+ mmc->max_req_size = PAGE_SIZE * mmc->max_segs;
mmc->max_blk_count = mmc->max_req_size / mmc->max_blk_size;
/*
* Setting .max_seg_size to 1 page would simplify our page-mapping code,
break;
}
- page_cache_release(page);
+ put_page(page);
pages--;
index++;
}
return PTR_ERR(page);
memcpy(buf, page_address(page) + offset, cpylen);
- page_cache_release(page);
+ put_page(page);
if (retlen)
*retlen += cpylen;
unlock_page(page);
balance_dirty_pages_ratelimited(mapping);
}
- page_cache_release(page);
+ put_page(page);
if (retlen)
*retlen += cpylen;
int i;
for (i = 0; i < ns->held_cnt; i++)
- page_cache_release(ns->held_pages[i]);
+ put_page(ns->held_pages[i]);
}
/* Get page cache pages in advance to provide NOFS memory allocation */
struct page *page;
struct address_space *mapping = file->f_mapping;
- start_index = pos >> PAGE_CACHE_SHIFT;
- end_index = (pos + count - 1) >> PAGE_CACHE_SHIFT;
+ start_index = pos >> PAGE_SHIFT;
+ end_index = (pos + count - 1) >> PAGE_SHIFT;
if (end_index - start_index + 1 > NS_MAX_HELD_PAGES)
return -EINVAL;
ns->held_cnt = 0;
{
struct btt *btt = bdev->bd_disk->private_data;
- btt_do_bvec(btt, NULL, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, rw, sector);
page_endio(page, rw & WRITE, 0);
return 0;
}
struct pmem_device *pmem = bdev->bd_disk->private_data;
int rc;
- rc = pmem_do_bvec(pmem, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, rw, sector);
if (rw & WRITE)
wmb_pmem();
{
struct inode *root_inode;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = OPROFILEFS_MAGIC;
sb->s_op = &s_ops;
sb->s_time_gran = 1;
if (sdkp->opt_xfer_blocks &&
sdkp->opt_xfer_blocks <= dev_max &&
sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS &&
- sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_CACHE_SIZE)
+ sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_SIZE)
rw_max = q->limits.io_opt =
sdkp->opt_xfer_blocks * sdp->sector_size;
else
out_unmap:
if (res > 0) {
for (j=0; j < res; j++)
- page_cache_release(pages[j]);
+ put_page(pages[j]);
res = 0;
}
kfree(pages);
/* FIXME: cache flush missing for rw==READ
* FIXME: call the correct reference counting function
*/
- page_cache_release(page);
+ put_page(page);
}
kfree(STbp->mapped_pages);
STbp->mapped_pages = NULL;
} while (0)
#ifndef LIBCFS_VMALLOC_SIZE
-#define LIBCFS_VMALLOC_SIZE (2 << PAGE_CACHE_SHIFT) /* 2 pages */
+#define LIBCFS_VMALLOC_SIZE (2 << PAGE_SHIFT) /* 2 pages */
#endif
#define LIBCFS_ALLOC_PRE(size, mask) \
#include "../libcfs_cpu.h"
#endif
-#define CFS_PAGE_MASK (~((__u64)PAGE_CACHE_SIZE-1))
+#define CFS_PAGE_MASK (~((__u64)PAGE_SIZE-1))
#define page_index(p) ((p)->index)
#define memory_pressure_get() (current->flags & PF_MEMALLOC)
#if BITS_PER_LONG == 32
/* limit to lowmem on 32-bit systems */
#define NUM_CACHEPAGES \
- min(totalram_pages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4)
+ min(totalram_pages, 1UL << (30 - PAGE_SHIFT) * 3 / 4)
#else
#define NUM_CACHEPAGES totalram_pages
#endif
for (nob = i = 0; i < niov; i++) {
if ((kiov[i].kiov_offset && i > 0) ||
- (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_CACHE_SIZE && i < niov - 1))
+ (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_SIZE && i < niov - 1))
return NULL;
pages[i] = kiov[i].kiov_page;
max = TCD_MAX_PAGES;
} else {
max = max / num_possible_cpus();
- max <<= (20 - PAGE_CACHE_SHIFT);
+ max <<= (20 - PAGE_SHIFT);
}
rc = cfs_tracefile_init(max);
if (tcd->tcd_cur_pages > 0) {
__LASSERT(!list_empty(&tcd->tcd_pages));
tage = cfs_tage_from_list(tcd->tcd_pages.prev);
- if (tage->used + len <= PAGE_CACHE_SIZE)
+ if (tage->used + len <= PAGE_SIZE)
return tage;
}
* from here: this will lead to infinite recursion.
*/
- if (len > PAGE_CACHE_SIZE) {
+ if (len > PAGE_SIZE) {
pr_err("cowardly refusing to write %lu bytes in a page\n", len);
return NULL;
}
for (i = 0; i < 2; i++) {
tage = cfs_trace_get_tage(tcd, needed + known_size + 1);
if (!tage) {
- if (needed + known_size > PAGE_CACHE_SIZE)
+ if (needed + known_size > PAGE_SIZE)
mask |= D_ERROR;
cfs_trace_put_tcd(tcd);
string_buf = (char *)page_address(tage->page) +
tage->used + known_size;
- max_nob = PAGE_CACHE_SIZE - tage->used - known_size;
+ max_nob = PAGE_SIZE - tage->used - known_size;
if (max_nob <= 0) {
printk(KERN_EMERG "negative max_nob: %d\n",
max_nob);
__LASSERT(debug_buf == string_buf);
tage->used += needed;
- __LASSERT(tage->used <= PAGE_CACHE_SIZE);
+ __LASSERT(tage->used <= PAGE_SIZE);
console:
if ((mask & libcfs_printk) == 0) {
int cfs_trace_allocate_string_buffer(char **str, int nob)
{
- if (nob > 2 * PAGE_CACHE_SIZE) /* string must be "sensible" */
+ if (nob > 2 * PAGE_SIZE) /* string must be "sensible" */
return -EINVAL;
*str = kmalloc(nob, GFP_KERNEL | __GFP_ZERO);
}
mb /= num_possible_cpus();
- pages = mb << (20 - PAGE_CACHE_SHIFT);
+ pages = mb << (20 - PAGE_SHIFT);
cfs_tracefile_write_lock();
cfs_tracefile_read_unlock();
- return (total_pages >> (20 - PAGE_CACHE_SHIFT)) + 1;
+ return (total_pages >> (20 - PAGE_SHIFT)) + 1;
}
static int tracefiled(void *arg)
extern int libcfs_panic_in_progress;
int cfs_trace_max_debug_mb(void);
-#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT))
+#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT))
#define TCD_STOCK_PAGES (TCD_MAX_PAGES)
#define CFS_TRACEFILE_SIZE (500 << 20)
/*
* Private declare for tracefile
*/
-#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT))
+#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT))
#define TCD_STOCK_PAGES (TCD_MAX_PAGES)
#define CFS_TRACEFILE_SIZE (500 << 20)
do { \
__LASSERT(tage); \
__LASSERT(tage->page); \
- __LASSERT(tage->used <= PAGE_CACHE_SIZE); \
+ __LASSERT(tage->used <= PAGE_SIZE); \
__LASSERT(page_count(tage->page) > 0); \
} while (0)
for (i = 0; i < (int)niov; i++) {
/* We take the page pointer on trust */
if (lmd->md_iov.kiov[i].kiov_offset +
- lmd->md_iov.kiov[i].kiov_len > PAGE_CACHE_SIZE)
+ lmd->md_iov.kiov[i].kiov_len > PAGE_SIZE)
return -EINVAL; /* invalid length */
total_length += lmd->md_iov.kiov[i].kiov_len;
if (len <= frag_len) {
dst->kiov_len = len;
LASSERT(dst->kiov_offset + dst->kiov_len
- <= PAGE_CACHE_SIZE);
+ <= PAGE_SIZE);
return niov;
}
dst->kiov_len = frag_len;
- LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_CACHE_SIZE);
+ LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_SIZE);
len -= frag_len;
dst++;
rbp = &the_lnet.ln_rtrpools[cpt][0];
LASSERT(msg->msg_len <= LNET_MTU);
- while (msg->msg_len > (unsigned int)rbp->rbp_npages * PAGE_CACHE_SIZE) {
+ while (msg->msg_len > (unsigned int)rbp->rbp_npages * PAGE_SIZE) {
rbp++;
LASSERT(rbp < &the_lnet.ln_rtrpools[cpt][LNET_NRBPOOLS]);
}
nalloc = 16; /* first guess at max interfaces */
toobig = 0;
for (;;) {
- if (nalloc * sizeof(*ifr) > PAGE_CACHE_SIZE) {
+ if (nalloc * sizeof(*ifr) > PAGE_SIZE) {
toobig = 1;
- nalloc = PAGE_CACHE_SIZE / sizeof(*ifr);
+ nalloc = PAGE_SIZE / sizeof(*ifr);
CWARN("Too many interfaces: only enumerating first %d\n",
nalloc);
}
#define LNET_NRB_SMALL_PAGES 1
#define LNET_NRB_LARGE_MIN 256 /* min value for each CPT */
#define LNET_NRB_LARGE (LNET_NRB_LARGE_MIN * 4)
-#define LNET_NRB_LARGE_PAGES ((LNET_MTU + PAGE_CACHE_SIZE - 1) >> \
- PAGE_CACHE_SHIFT)
+#define LNET_NRB_LARGE_PAGES ((LNET_MTU + PAGE_SIZE - 1) >> \
+ PAGE_SHIFT)
static char *forwarding = "";
module_param(forwarding, charp, 0444);
return NULL;
}
- rb->rb_kiov[i].kiov_len = PAGE_CACHE_SIZE;
+ rb->rb_kiov[i].kiov_len = PAGE_SIZE;
rb->rb_kiov[i].kiov_offset = 0;
rb->rb_kiov[i].kiov_page = page;
}
* NB: this is not going to work for variable page size,
* but we have to keep it for compatibility
*/
- len = npg * PAGE_CACHE_SIZE;
+ len = npg * PAGE_SIZE;
} else {
test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1;
opc = breq->blk_opc;
flags = breq->blk_flags;
len = breq->blk_len;
- npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ npg = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
if (npg > LNET_MAX_IOV || npg <= 0)
if (pattern == LST_BRW_CHECK_SIMPLE) {
memcpy(addr, &magic, BRW_MSIZE);
- addr += PAGE_CACHE_SIZE - BRW_MSIZE;
+ addr += PAGE_SIZE - BRW_MSIZE;
memcpy(addr, &magic, BRW_MSIZE);
return;
}
if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++)
+ for (i = 0; i < PAGE_SIZE / BRW_MSIZE; i++)
memcpy(addr + i * BRW_MSIZE, &magic, BRW_MSIZE);
return;
}
if (data != magic)
goto bad_data;
- addr += PAGE_CACHE_SIZE - BRW_MSIZE;
+ addr += PAGE_SIZE - BRW_MSIZE;
data = *((__u64 *)addr);
if (data != magic)
goto bad_data;
}
if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++) {
+ for (i = 0; i < PAGE_SIZE / BRW_MSIZE; i++) {
data = *(((__u64 *)addr) + i);
if (data != magic)
goto bad_data;
opc = breq->blk_opc;
flags = breq->blk_flags;
npg = breq->blk_npg;
- len = npg * PAGE_CACHE_SIZE;
+ len = npg * PAGE_SIZE;
} else {
test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1;
opc = breq->blk_opc;
flags = breq->blk_flags;
len = breq->blk_len;
- npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ npg = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, npg, len, &rpc);
reply->brw_status = EINVAL;
return 0;
}
- npg = reqst->brw_len >> PAGE_CACHE_SHIFT;
+ npg = reqst->brw_len >> PAGE_SHIFT;
} else {
- npg = (reqst->brw_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ npg = (reqst->brw_len + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
if (args->lstio_tes_param &&
(args->lstio_tes_param_len <= 0 ||
args->lstio_tes_param_len >
- PAGE_CACHE_SIZE - sizeof(lstcon_test_t)))
+ PAGE_SIZE - sizeof(lstcon_test_t)))
return -EINVAL;
LIBCFS_ALLOC(batch_name, args->lstio_tes_bat_nmlen + 1);
opc = data->ioc_u32[0];
- if (data->ioc_plen1 > PAGE_CACHE_SIZE)
+ if (data->ioc_plen1 > PAGE_SIZE)
return -EINVAL;
LIBCFS_ALLOC(buf, data->ioc_plen1);
test_bulk_req_t *brq = &req->tsr_u.bulk_v0;
brq->blk_opc = param->blk_opc;
- brq->blk_npg = (param->blk_size + PAGE_CACHE_SIZE - 1) /
- PAGE_CACHE_SIZE;
+ brq->blk_npg = (param->blk_size + PAGE_SIZE - 1) /
+ PAGE_SIZE;
brq->blk_flags = param->blk_flags;
return 0;
if (transop == LST_TRANS_TSBCLIADD) {
npg = sfw_id_pages(test->tes_span);
nob = !(feats & LST_FEAT_BULK_LEN) ?
- npg * PAGE_CACHE_SIZE :
+ npg * PAGE_SIZE :
sizeof(lnet_process_id_packed_t) * test->tes_span;
}
LASSERT(nob > 0);
len = !(feats & LST_FEAT_BULK_LEN) ?
- PAGE_CACHE_SIZE :
- min_t(int, nob, PAGE_CACHE_SIZE);
+ PAGE_SIZE :
+ min_t(int, nob, PAGE_SIZE);
nob -= len;
bulk->bk_iovs[i].kiov_offset = 0;
int len;
if (!(sn->sn_features & LST_FEAT_BULK_LEN)) {
- len = npg * PAGE_CACHE_SIZE;
+ len = npg * PAGE_SIZE;
} else {
len = sizeof(lnet_process_id_packed_t) *
static int
srpc_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i, int nob)
{
- nob = min_t(int, nob, PAGE_CACHE_SIZE);
+ nob = min_t(int, nob, PAGE_SIZE);
LASSERT(nob > 0);
LASSERT(i >= 0 && i < bk->bk_niov);
/* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
* the end of pages are not used */
#define SFW_MAX_CONCUR LST_MAX_CONCUR
-#define SFW_ID_PER_PAGE (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t))
+#define SFW_ID_PER_PAGE (PAGE_SIZE / sizeof(lnet_process_id_packed_t))
#define SFW_MAX_NDESTS (LNET_MAX_IOV * SFW_ID_PER_PAGE)
#define sfw_id_pages(n) (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
return;
if (PagePrivate(page))
- page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
cancel_dirty_page(page);
ClearPageMappedToDisk(page);
#define LU_PAGE_SIZE (1UL << LU_PAGE_SHIFT)
#define LU_PAGE_MASK (~(LU_PAGE_SIZE - 1))
-#define LU_PAGE_COUNT (1 << (PAGE_CACHE_SHIFT - LU_PAGE_SHIFT))
+#define LU_PAGE_COUNT (1 << (PAGE_SHIFT - LU_PAGE_SHIFT))
/** @} lu_dir */
if (cli->cl_max_mds_easize < body->max_mdsize) {
cli->cl_max_mds_easize = body->max_mdsize;
cli->cl_default_mds_easize =
- min_t(__u32, body->max_mdsize, PAGE_CACHE_SIZE);
+ min_t(__u32, body->max_mdsize, PAGE_SIZE);
}
if (cli->cl_max_mds_cookiesize < body->max_cookiesize) {
cli->cl_max_mds_cookiesize = body->max_cookiesize;
cli->cl_default_mds_cookiesize =
- min_t(__u32, body->max_cookiesize, PAGE_CACHE_SIZE);
+ min_t(__u32, body->max_cookiesize, PAGE_SIZE);
}
}
}
*/
#define PTLRPC_MAX_BRW_BITS (LNET_MTU_BITS + PTLRPC_BULK_OPS_BITS)
#define PTLRPC_MAX_BRW_SIZE (1 << PTLRPC_MAX_BRW_BITS)
-#define PTLRPC_MAX_BRW_PAGES (PTLRPC_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT)
+#define PTLRPC_MAX_BRW_PAGES (PTLRPC_MAX_BRW_SIZE >> PAGE_SHIFT)
#define ONE_MB_BRW_SIZE (1 << LNET_MTU_BITS)
#define MD_MAX_BRW_SIZE (1 << LNET_MTU_BITS)
-#define MD_MAX_BRW_PAGES (MD_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT)
+#define MD_MAX_BRW_PAGES (MD_MAX_BRW_SIZE >> PAGE_SHIFT)
#define DT_MAX_BRW_SIZE PTLRPC_MAX_BRW_SIZE
-#define DT_MAX_BRW_PAGES (DT_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT)
+#define DT_MAX_BRW_PAGES (DT_MAX_BRW_SIZE >> PAGE_SHIFT)
#define OFD_MAX_BRW_SIZE (1 << LNET_MTU_BITS)
/* When PAGE_SIZE is a constant, we can check our arithmetic here with cpp! */
static inline int cli_brw_size(struct obd_device *obd)
{
- return obd->u.cli.cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+ return obd->u.cli.cl_max_pages_per_rpc << PAGE_SHIFT;
}
#endif /* __OBD_H */
#ifdef POISON_BULK
#define POISON_PAGE(page, val) do { \
- memset(kmap(page), val, PAGE_CACHE_SIZE); \
+ memset(kmap(page), val, PAGE_SIZE); \
kunmap(page); \
} while (0)
#else
* --bug 17336
*/
loff_t size = cl_isize_read(inode);
- loff_t cur_index = start >> PAGE_CACHE_SHIFT;
+ loff_t cur_index = start >> PAGE_SHIFT;
loff_t size_index = (size - 1) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
if ((size == 0 && cur_index != 0) ||
size_index < cur_index)
cli->cl_avail_grant = 0;
/* FIXME: Should limit this for the sum of all cl_dirty_max. */
cli->cl_dirty_max = OSC_MAX_DIRTY_DEFAULT * 1024 * 1024;
- if (cli->cl_dirty_max >> PAGE_CACHE_SHIFT > totalram_pages / 8)
- cli->cl_dirty_max = totalram_pages << (PAGE_CACHE_SHIFT - 3);
+ if (cli->cl_dirty_max >> PAGE_SHIFT > totalram_pages / 8)
+ cli->cl_dirty_max = totalram_pages << (PAGE_SHIFT - 3);
INIT_LIST_HEAD(&cli->cl_cache_waiters);
INIT_LIST_HEAD(&cli->cl_loi_ready_list);
INIT_LIST_HEAD(&cli->cl_loi_hp_ready_list);
* In the future this should likely be increased. LU-1431
*/
cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES,
- LNET_MTU >> PAGE_CACHE_SHIFT);
+ LNET_MTU >> PAGE_SHIFT);
if (!strcmp(name, LUSTRE_MDC_NAME)) {
cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) {
cli->cl_max_rpcs_in_flight = 2;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 256 /* MB */) {
cli->cl_max_rpcs_in_flight = 3;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 512 /* MB */) {
cli->cl_max_rpcs_in_flight = 4;
} else {
cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT;
/*
* 50 ldlm locks for 1MB of RAM.
*/
-#define LDLM_POOL_HOST_L ((NUM_CACHEPAGES >> (20 - PAGE_CACHE_SHIFT)) * 50)
+#define LDLM_POOL_HOST_L ((NUM_CACHEPAGES >> (20 - PAGE_SHIFT)) * 50)
/*
* Maximal possible grant step plan in %.
{
int avail;
- avail = min_t(int, LDLM_MAXREQSIZE, PAGE_CACHE_SIZE - 512) - req_size;
+ avail = min_t(int, LDLM_MAXREQSIZE, PAGE_SIZE - 512) - req_size;
if (likely(avail >= 0))
avail /= (int)sizeof(struct lustre_handle);
else
struct page **page_pool;
struct page *page;
struct lu_dirpage *dp;
- int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_CACHE_SHIFT;
+ int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_SHIFT;
int nrdpgs = 0; /* number of pages read actually */
int npages;
int i;
if (body->valid & OBD_MD_FLSIZE)
cl_isize_write(inode, body->size);
- nrdpgs = (request->rq_bulk->bd_nob_transferred+PAGE_CACHE_SIZE-1)
- >> PAGE_CACHE_SHIFT;
+ nrdpgs = (request->rq_bulk->bd_nob_transferred+PAGE_SIZE-1)
+ >> PAGE_SHIFT;
SetPageUptodate(page0);
}
unlock_page(page0);
page = page_pool[i];
if (rc < 0 || i >= nrdpgs) {
- page_cache_release(page);
+ put_page(page);
continue;
}
CDEBUG(D_VFSTRACE, "page %lu add to page cache failed: %d\n",
offset, ret);
}
- page_cache_release(page);
+ put_page(page);
}
if (page_pool != &page0)
truncate_complete_page(page->mapping, page);
unlock_page(page);
}
- page_cache_release(page);
+ put_page(page);
}
/*
if (found > 0 && !radix_tree_exceptional_entry(page)) {
struct lu_dirpage *dp;
- page_cache_get(page);
+ get_page(page);
spin_unlock_irq(&mapping->tree_lock);
/*
* In contrast to find_lock_page() we are sure that directory
page = NULL;
}
} else {
- page_cache_release(page);
+ put_page(page);
page = ERR_PTR(-EIO);
}
st.st_gid = body->gid;
st.st_rdev = body->rdev;
st.st_size = body->size;
- st.st_blksize = PAGE_CACHE_SIZE;
+ st.st_blksize = PAGE_SIZE;
st.st_blocks = body->blocks;
st.st_atime = body->atime;
st.st_mtime = body->mtime;
/* default to about 40meg of readahead on a given system. That much tied
* up in 512k readahead requests serviced at 40ms each is about 1GB/s.
*/
-#define SBI_DEFAULT_READAHEAD_MAX (40UL << (20 - PAGE_CACHE_SHIFT))
+#define SBI_DEFAULT_READAHEAD_MAX (40UL << (20 - PAGE_SHIFT))
/* default to read-ahead full files smaller than 2MB on the second read */
-#define SBI_DEFAULT_READAHEAD_WHOLE_MAX (2UL << (20 - PAGE_CACHE_SHIFT))
+#define SBI_DEFAULT_READAHEAD_WHOLE_MAX (2UL << (20 - PAGE_SHIFT))
enum ra_stat {
RA_STAT_HIT = 0,
static inline void ll_invalidate_page(struct page *vmpage)
{
struct address_space *mapping = vmpage->mapping;
- loff_t offset = vmpage->index << PAGE_CACHE_SHIFT;
+ loff_t offset = vmpage->index << PAGE_SHIFT;
LASSERT(PageLocked(vmpage));
if (!mapping)
return;
- ll_teardown_mmaps(mapping, offset, offset + PAGE_CACHE_SIZE);
+ ll_teardown_mmaps(mapping, offset, offset + PAGE_SIZE);
truncate_complete_page(mapping, vmpage);
}
si_meminfo(&si);
pages = si.totalram - si.totalhigh;
- if (pages >> (20 - PAGE_CACHE_SHIFT) < 512)
+ if (pages >> (20 - PAGE_SHIFT) < 512)
lru_page_max = pages / 2;
else
lru_page_max = (pages / 4) * 3;
valid != CLIENT_CONNECT_MDT_REQD) {
char *buf;
- buf = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf) {
err = -ENOMEM;
goto out_md_fid;
}
- obd_connect_flags2str(buf, PAGE_CACHE_SIZE,
+ obd_connect_flags2str(buf, PAGE_SIZE,
valid ^ CLIENT_CONNECT_MDT_REQD, ",");
LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n",
sbi->ll_md_exp->exp_obd->obd_name, buf);
if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
sbi->ll_md_brw_size = data->ocd_brw_size;
else
- sbi->ll_md_brw_size = PAGE_CACHE_SIZE;
+ sbi->ll_md_brw_size = PAGE_SIZE;
if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK) {
LCONSOLE_INFO("Layout lock feature supported.\n");
size_t count)
{
policy->l_extent.start = ((addr - vma->vm_start) & CFS_PAGE_MASK) +
- (vma->vm_pgoff << PAGE_CACHE_SHIFT);
+ (vma->vm_pgoff << PAGE_SHIFT);
policy->l_extent.end = (policy->l_extent.start + count - 1) |
~CFS_PAGE_MASK;
}
vmpage = vio->u.fault.ft_vmpage;
if (result != 0 && vmpage) {
- page_cache_release(vmpage);
+ put_page(vmpage);
vmf->page = NULL;
}
}
lock_page(vmpage);
if (unlikely(!vmpage->mapping)) { /* unlucky */
unlock_page(vmpage);
- page_cache_release(vmpage);
+ put_page(vmpage);
vmf->page = NULL;
if (!printed && ++count > 16) {
LASSERTF(last > first, "last %llu first %llu\n", last, first);
if (mapping_mapped(mapping)) {
rc = 0;
- unmap_mapping_range(mapping, first + PAGE_CACHE_SIZE - 1,
+ unmap_mapping_range(mapping, first + PAGE_SIZE - 1,
last - first + 1, 0);
}
offset = (pgoff_t)(bio->bi_iter.bi_sector << 9) + lo->lo_offset;
bio_for_each_segment(bvec, bio, iter) {
BUG_ON(bvec.bv_offset != 0);
- BUG_ON(bvec.bv_len != PAGE_CACHE_SIZE);
+ BUG_ON(bvec.bv_len != PAGE_SIZE);
pages[page_count] = bvec.bv_page;
offsets[page_count] = offset;
(rw == WRITE) ? LPROC_LL_BRW_WRITE : LPROC_LL_BRW_READ,
page_count);
- pvec->ldp_size = page_count << PAGE_CACHE_SHIFT;
+ pvec->ldp_size = page_count << PAGE_SHIFT;
pvec->ldp_nr = page_count;
/* FIXME: in ll_direct_rw_pages, it has to allocate many cl_page{}s to
set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);
- lo->lo_blocksize = PAGE_CACHE_SIZE;
+ lo->lo_blocksize = PAGE_SIZE;
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
lo->lo_queue->queuedata = lo;
/* queue parameters */
- CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8)));
+ CLASSERT(PAGE_SIZE < (1 << (sizeof(unsigned short) * 8)));
blk_queue_logical_block_size(lo->lo_queue,
- (unsigned short)PAGE_CACHE_SIZE);
+ (unsigned short)PAGE_SIZE);
blk_queue_max_hw_sectors(lo->lo_queue,
- LLOOP_MAX_SEGMENTS << (PAGE_CACHE_SHIFT - 9));
+ LLOOP_MAX_SEGMENTS << (PAGE_SHIFT - 9));
blk_queue_max_segments(lo->lo_queue, LLOOP_MAX_SEGMENTS);
set_capacity(disks[lo->lo_number], size);
pages_number = sbi->ll_ra_info.ra_max_pages;
spin_unlock(&sbi->ll_lock);
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ mult = 1 << (20 - PAGE_SHIFT);
return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult);
}
if (rc)
return rc;
- pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */
+ pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */
if (pages_number > totalram_pages / 2) {
CERROR("can't set file readahead more than %lu MB\n",
- totalram_pages >> (20 - PAGE_CACHE_SHIFT + 1)); /*1/2 of RAM*/
+ totalram_pages >> (20 - PAGE_SHIFT + 1)); /*1/2 of RAM*/
return -ERANGE;
}
pages_number = sbi->ll_ra_info.ra_max_pages_per_file;
spin_unlock(&sbi->ll_lock);
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ mult = 1 << (20 - PAGE_SHIFT);
return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult);
}
pages_number = sbi->ll_ra_info.ra_max_read_ahead_whole_pages;
spin_unlock(&sbi->ll_lock);
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ mult = 1 << (20 - PAGE_SHIFT);
return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult);
}
*/
if (pages_number > sbi->ll_ra_info.ra_max_pages_per_file) {
CERROR("can't set max_read_ahead_whole_mb more than max_read_ahead_per_file_mb: %lu\n",
- sbi->ll_ra_info.ra_max_pages_per_file >> (20 - PAGE_CACHE_SHIFT));
+ sbi->ll_ra_info.ra_max_pages_per_file >> (20 - PAGE_SHIFT));
return -ERANGE;
}
struct super_block *sb = m->private;
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct cl_client_cache *cache = &sbi->ll_cache;
- int shift = 20 - PAGE_CACHE_SHIFT;
+ int shift = 20 - PAGE_SHIFT;
int max_cached_mb;
int unused_mb;
return -EFAULT;
kernbuf[count] = 0;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ mult = 1 << (20 - PAGE_SHIFT);
buffer += lprocfs_find_named_value(kernbuf, "max_cached_mb:", &count) -
kernbuf;
rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
if (pages_number < 0 || pages_number > totalram_pages) {
CERROR("%s: can't set max cache more than %lu MB\n",
ll_get_fsname(sb, NULL, 0),
- totalram_pages >> (20 - PAGE_CACHE_SHIFT));
+ totalram_pages >> (20 - PAGE_SHIFT));
return -ERANGE;
}
*/
io->ci_lockreq = CILR_NEVER;
- pos = vmpage->index << PAGE_CACHE_SHIFT;
+ pos = vmpage->index << PAGE_SHIFT;
/* Create a temp IO to serve write. */
- result = cl_io_rw_init(env, io, CIT_WRITE, pos, PAGE_CACHE_SIZE);
+ result = cl_io_rw_init(env, io, CIT_WRITE, pos, PAGE_SIZE);
if (result == 0) {
cio->cui_fd = LUSTRE_FPRIVATE(file);
cio->cui_iter = NULL;
}
if (rc != 1)
unlock_page(vmpage);
- page_cache_release(vmpage);
+ put_page(vmpage);
} else {
which = RA_STAT_FAILED_GRAB_PAGE;
msg = "g_c_p_n failed";
* and max_read_ahead_per_file_mb otherwise the readahead budget can be used
* up quickly which will affect read performance significantly. See LU-2816
*/
-#define RAS_INCREASE_STEP(inode) (ONE_MB_BRW_SIZE >> PAGE_CACHE_SHIFT)
+#define RAS_INCREASE_STEP(inode) (ONE_MB_BRW_SIZE >> PAGE_SHIFT)
static inline int stride_io_mode(struct ll_readahead_state *ras)
{
end = rpc_boundary;
/* Truncate RA window to end of file */
- end = min(end, (unsigned long)((kms - 1) >> PAGE_CACHE_SHIFT));
+ end = min(end, (unsigned long)((kms - 1) >> PAGE_SHIFT));
ras->ras_next_readahead = max(end, end + 1);
RAS_CDEBUG(ras);
if (reserved != 0)
ll_ra_count_put(ll_i2sbi(inode), reserved);
- if (ra_end == end + 1 && ra_end == (kms >> PAGE_CACHE_SHIFT))
+ if (ra_end == end + 1 && ra_end == (kms >> PAGE_SHIFT))
ll_ra_stats_inc(mapping, RA_STAT_EOF);
/* if we didn't get to the end of the region we reserved from
if (ras->ras_requests == 2 && !ras->ras_request_index) {
__u64 kms_pages;
- kms_pages = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ kms_pages = (i_size_read(inode) + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
CDEBUG(D_READA, "kmsp %llu mwp %lu mp %lu\n", kms_pages,
ra->ra_max_read_ahead_whole_pages, ra->ra_max_pages_per_file);
* PageWriteback or clean the page.
*/
result = cl_sync_file_range(inode, offset,
- offset + PAGE_CACHE_SIZE - 1,
+ offset + PAGE_SIZE - 1,
CL_FSYNC_LOCAL, 1);
if (result > 0) {
/* actually we may have written more than one page.
int ignore_layout = 0;
if (wbc->range_cyclic) {
- start = mapping->writeback_index << PAGE_CACHE_SHIFT;
+ start = mapping->writeback_index << PAGE_SHIFT;
end = OBD_OBJECT_EOF;
} else {
start = wbc->range_start;
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) {
if (end == OBD_OBJECT_EOF)
end = i_size_read(inode);
- mapping->writeback_index = (end >> PAGE_CACHE_SHIFT) + 1;
+ mapping->writeback_index = (end >> PAGE_SHIFT) + 1;
}
return result;
}
* below because they are run with page locked and all our io is
* happening with locked page too
*/
- if (offset == 0 && length == PAGE_CACHE_SIZE) {
+ if (offset == 0 && length == PAGE_SIZE) {
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
inode = vmpage->mapping->host;
return -EFBIG;
}
- *max_pages = (user_addr + size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- *max_pages -= user_addr >> PAGE_CACHE_SHIFT;
+ *max_pages = (user_addr + size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ *max_pages -= user_addr >> PAGE_SHIFT;
*pages = libcfs_kvzalloc(*max_pages * sizeof(**pages), GFP_NOFS);
if (*pages) {
for (i = 0; i < npages; i++) {
if (do_dirty)
set_page_dirty_lock(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
kvfree(pages);
}
* up to 22MB for 128kB kmalloc and up to 682MB for 4MB kmalloc.
*/
#define MAX_DIO_SIZE ((KMALLOC_MAX_SIZE / sizeof(struct brw_page) * \
- PAGE_CACHE_SIZE) & ~(DT_MAX_BRW_SIZE - 1))
+ PAGE_SIZE) & ~(DT_MAX_BRW_SIZE - 1))
static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
loff_t file_offset)
{
CDEBUG(D_VFSTRACE,
"VFS Op:inode=%lu/%u(%p), size=%zd (max %lu), offset=%lld=%llx, pages %zd (max %lu)\n",
inode->i_ino, inode->i_generation, inode, count, MAX_DIO_SIZE,
- file_offset, file_offset, count >> PAGE_CACHE_SHIFT,
- MAX_DIO_SIZE >> PAGE_CACHE_SHIFT);
+ file_offset, file_offset, count >> PAGE_SHIFT,
+ MAX_DIO_SIZE >> PAGE_SHIFT);
/* Check that all user buffers are aligned as well */
if (iov_iter_alignment(iter) & ~CFS_PAGE_MASK)
* page worth of page pointers = 4MB on i386.
*/
if (result == -ENOMEM &&
- size > (PAGE_CACHE_SIZE / sizeof(*pages)) *
- PAGE_CACHE_SIZE) {
+ size > (PAGE_SIZE / sizeof(*pages)) *
+ PAGE_SIZE) {
size = ((((size / 2) - 1) |
~CFS_PAGE_MASK) + 1) &
CFS_PAGE_MASK;
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
int rc;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
rc = ll_prepare_write(file, page, from, from + len);
if (rc) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return rc;
}
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
int rc;
rc = ll_commit_write(file, page, from, from + copied);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return rc ?: copied;
}
/*
* XXX: explicit PAGE_CACHE_SIZE
*/
- bead->lrr_count = cl_index(obj, tot + PAGE_CACHE_SIZE - 1);
+ bead->lrr_count = cl_index(obj, tot + PAGE_SIZE - 1);
ll_ra_read_in(file, bead);
}
* We're completely overwriting an existing page, so _don't_
* set it up to date until commit_write
*/
- if (from == 0 && to == PAGE_CACHE_SIZE) {
+ if (from == 0 && to == PAGE_SIZE) {
CL_PAGE_HEADER(D_PAGE, env, pg, "full page write\n");
POISON_PAGE(page, 0x11);
} else
set_page_dirty(vmpage);
vvp_write_pending(cl2ccc(obj), cp);
} else if (result == -EDQUOT) {
- pgoff_t last_index = i_size_read(inode) >> PAGE_CACHE_SHIFT;
+ pgoff_t last_index = i_size_read(inode) >> PAGE_SHIFT;
bool need_clip = true;
/*
* being.
*/
if (last_index > pg->cp_index) {
- to = PAGE_CACHE_SIZE;
+ to = PAGE_SIZE;
need_clip = false;
} else if (last_index == pg->cp_index) {
int size_to = i_size_read(inode) & ~CFS_PAGE_MASK;
struct page *vmpage = cp->cpg_page;
LASSERT(vmpage);
- page_cache_release(vmpage);
+ put_page(vmpage);
}
static void vvp_page_fini(const struct lu_env *env,
LASSERT(vmpage);
LASSERT(PageLocked(vmpage));
- offset = vmpage->index << PAGE_CACHE_SHIFT;
+ offset = vmpage->index << PAGE_SHIFT;
/*
* XXX is it safe to call this with the page lock held?
*/
- ll_teardown_mmaps(vmpage->mapping, offset, offset + PAGE_CACHE_SIZE);
+ ll_teardown_mmaps(vmpage->mapping, offset, offset + PAGE_SIZE);
return 0;
}
CLOBINVRNT(env, obj, ccc_object_invariant(obj));
cpg->cpg_page = vmpage;
- page_cache_get(vmpage);
+ get_page(vmpage);
INIT_LIST_HEAD(&cpg->cpg_pending_linkage);
if (page->cp_type == CPT_CACHEABLE) {
if (rc != 0)
return rc;
- ncfspgs = ((*request)->rq_bulk->bd_nob_transferred + PAGE_CACHE_SIZE - 1)
- >> PAGE_CACHE_SHIFT;
+ ncfspgs = ((*request)->rq_bulk->bd_nob_transferred + PAGE_SIZE - 1)
+ >> PAGE_SHIFT;
nlupgs = (*request)->rq_bulk->bd_nob_transferred >> LU_PAGE_SHIFT;
LASSERT(!((*request)->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK));
LASSERT(ncfspgs > 0 && ncfspgs <= op_data->op_npages);
/* NB req now owns desc and will free it when it gets freed */
for (i = 0; i < op_data->op_npages; i++)
- ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_CACHE_SIZE);
+ ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_SIZE);
mdc_readdir_pack(req, op_data->op_offset,
- PAGE_CACHE_SIZE * op_data->op_npages,
+ PAGE_SIZE * op_data->op_npages,
&op_data->op_fid1);
ptlrpc_request_set_replen(req);
if (req->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK) {
CERROR("Unexpected # bytes transferred: %d (%ld expected)\n",
req->rq_bulk->bd_nob_transferred,
- PAGE_CACHE_SIZE * op_data->op_npages);
+ PAGE_SIZE * op_data->op_npages);
ptlrpc_req_finished(req);
return -EPROTO;
}
}
enum {
- CONFIG_READ_NRPAGES_INIT = 1 << (20 - PAGE_CACHE_SHIFT),
+ CONFIG_READ_NRPAGES_INIT = 1 << (20 - PAGE_SHIFT),
CONFIG_READ_NRPAGES = 4
};
LASSERT(cfg->cfg_instance);
LASSERT(cfg->cfg_sb == cfg->cfg_instance);
- inst = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ inst = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!inst)
return -ENOMEM;
- pos = snprintf(inst, PAGE_CACHE_SIZE, "%p", cfg->cfg_instance);
- if (pos >= PAGE_CACHE_SIZE) {
+ pos = snprintf(inst, PAGE_SIZE, "%p", cfg->cfg_instance);
+ if (pos >= PAGE_SIZE) {
kfree(inst);
return -E2BIG;
}
++pos;
buf = inst + pos;
- bufsz = PAGE_CACHE_SIZE - pos;
+ bufsz = PAGE_SIZE - pos;
while (datalen > 0) {
int entry_len = sizeof(*entry);
/* Keep this swab for normal mixed endian handling. LU-1644 */
if (mne_swab)
lustre_swab_mgs_nidtbl_entry(entry);
- if (entry->mne_length > PAGE_CACHE_SIZE) {
+ if (entry->mne_length > PAGE_SIZE) {
CERROR("MNE too large (%u)\n", entry->mne_length);
break;
}
}
body->mcb_offset = cfg->cfg_last_idx + 1;
body->mcb_type = cld->cld_type;
- body->mcb_bits = PAGE_CACHE_SHIFT;
+ body->mcb_bits = PAGE_SHIFT;
body->mcb_units = nrpages;
/* allocate bulk transfer descriptor */
}
for (i = 0; i < nrpages; i++)
- ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_CACHE_SIZE);
+ ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_SIZE);
ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
goto out;
}
- if (ealen > nrpages << PAGE_CACHE_SHIFT) {
+ if (ealen > nrpages << PAGE_SHIFT) {
rc = -EINVAL;
goto out;
}
ptr = kmap(pages[i]);
rc2 = mgc_apply_recover_logs(obd, cld, res->mcr_offset, ptr,
- min_t(int, ealen, PAGE_CACHE_SIZE),
+ min_t(int, ealen, PAGE_SIZE),
mne_swab);
kunmap(pages[i]);
if (rc2 < 0) {
break;
}
- ealen -= PAGE_CACHE_SIZE;
+ ealen -= PAGE_SIZE;
}
out:
/*
* XXX for now.
*/
- return (loff_t)idx << PAGE_CACHE_SHIFT;
+ return (loff_t)idx << PAGE_SHIFT;
}
EXPORT_SYMBOL(cl_offset);
/*
* XXX for now.
*/
- return offset >> PAGE_CACHE_SHIFT;
+ return offset >> PAGE_SHIFT;
}
EXPORT_SYMBOL(cl_index);
int cl_page_size(const struct cl_object *obj)
{
- return 1 << PAGE_CACHE_SHIFT;
+ return 1 << PAGE_SHIFT;
}
EXPORT_SYMBOL(cl_page_size);
CWARN("LPD64 wrong length! strlen(%s)=%d != 2\n", buf, len);
ret = -EINVAL;
}
- if ((u64val & ~CFS_PAGE_MASK) >= PAGE_CACHE_SIZE) {
+ if ((u64val & ~CFS_PAGE_MASK) >= PAGE_SIZE) {
CWARN("mask failed: u64val %llu >= %llu\n", u64val,
- (__u64)PAGE_CACHE_SIZE);
+ (__u64)PAGE_SIZE);
ret = -EINVAL;
}
* For clients with less memory, a larger fraction is needed
* for other purposes (mostly for BGL).
*/
- if (totalram_pages <= 512 << (20 - PAGE_CACHE_SHIFT))
+ if (totalram_pages <= 512 << (20 - PAGE_SHIFT))
obd_max_dirty_pages = totalram_pages / 4;
else
obd_max_dirty_pages = totalram_pages / 2;
if (valid & OBD_MD_FLBLKSZ && src->o_blksize > (1 << dst->i_blkbits))
dst->i_blkbits = ffs(src->o_blksize) - 1;
- if (dst->i_blkbits < PAGE_CACHE_SHIFT)
- dst->i_blkbits = PAGE_CACHE_SHIFT;
+ if (dst->i_blkbits < PAGE_SHIFT)
+ dst->i_blkbits = PAGE_SHIFT;
/* allocation of space */
if (valid & OBD_MD_FLBLOCKS && src->o_blocks > dst->i_blocks)
char *buf)
{
return sprintf(buf, "%ul\n",
- obd_max_dirty_pages / (1 << (20 - PAGE_CACHE_SHIFT)));
+ obd_max_dirty_pages / (1 << (20 - PAGE_SHIFT)));
}
static ssize_t max_dirty_mb_store(struct kobject *kobj, struct attribute *attr,
if (rc)
return rc;
- val *= 1 << (20 - PAGE_CACHE_SHIFT); /* convert to pages */
+ val *= 1 << (20 - PAGE_SHIFT); /* convert to pages */
if (val > ((totalram_pages / 10) * 9)) {
/* Somebody wants to assign too much memory to dirty pages */
return -EINVAL;
}
- if (val < 4 << (20 - PAGE_CACHE_SHIFT)) {
+ if (val < 4 << (20 - PAGE_SHIFT)) {
/* Less than 4 Mb for dirty cache is also bad */
return -EINVAL;
}
#if BITS_PER_LONG == 32
/* limit hashtable size for lowmem systems to low RAM */
- if (cache_size > 1 << (30 - PAGE_CACHE_SHIFT))
- cache_size = 1 << (30 - PAGE_CACHE_SHIFT) * 3 / 4;
+ if (cache_size > 1 << (30 - PAGE_SHIFT))
+ cache_size = 1 << (30 - PAGE_SHIFT) * 3 / 4;
#endif
/* clear off unreasonable cache setting. */
lu_cache_percent = LU_CACHE_PERCENT_DEFAULT;
}
cache_size = cache_size / 100 * lu_cache_percent *
- (PAGE_CACHE_SIZE / 1024);
+ (PAGE_SIZE / 1024);
for (bits = 1; (1 << bits) < cache_size; ++bits) {
;
struct page *vmpage = ep->ep_vmpage;
atomic_dec(&eco->eo_npages);
- page_cache_release(vmpage);
+ put_page(vmpage);
}
static int echo_page_prep(const struct lu_env *env,
struct echo_object *eco = cl2echo_obj(obj);
ep->ep_vmpage = vmpage;
- page_cache_get(vmpage);
+ get_page(vmpage);
mutex_init(&ep->ep_lock);
cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
atomic_inc(&eco->eo_npages);
LASSERT(rc == 0);
rc = cl_echo_enqueue0(env, eco, offset,
- offset + npages * PAGE_CACHE_SIZE - 1,
+ offset + npages * PAGE_SIZE - 1,
rw == READ ? LCK_PR : LCK_PW, &lh.cookie,
CEF_NEVER);
if (rc < 0)
int delta;
/* no partial pages on the client */
- LASSERT(count == PAGE_CACHE_SIZE);
+ LASSERT(count == PAGE_SIZE);
addr = kmap(page);
- for (delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
+ for (delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
if (rw == OBD_BRW_WRITE) {
stripe_off = offset + delta;
stripe_id = id;
int rc2;
/* no partial pages on the client */
- LASSERT(count == PAGE_CACHE_SIZE);
+ LASSERT(count == PAGE_SIZE);
addr = kmap(page);
- for (rc = delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
+ for (rc = delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
stripe_off = offset + delta;
stripe_id = id;
return -EINVAL;
/* XXX think again with misaligned I/O */
- npages = count >> PAGE_CACHE_SHIFT;
+ npages = count >> PAGE_SHIFT;
if (rw == OBD_BRW_WRITE)
brw_flags = OBD_BRW_ASYNC;
for (i = 0, pgp = pga, off = offset;
i < npages;
- i++, pgp++, off += PAGE_CACHE_SIZE) {
+ i++, pgp++, off += PAGE_SIZE) {
LASSERT(!pgp->pg); /* for cleanup */
goto out;
pages[i] = pgp->pg;
- pgp->count = PAGE_CACHE_SIZE;
+ pgp->count = PAGE_SIZE;
pgp->off = off;
pgp->flag = brw_flags;
if (count <= 0 || (count & (~CFS_PAGE_MASK)) != 0)
return -EINVAL;
- npages = batch >> PAGE_CACHE_SHIFT;
- tot_pages = count >> PAGE_CACHE_SHIFT;
+ npages = batch >> PAGE_SHIFT;
+ tot_pages = count >> PAGE_SHIFT;
lnb = kcalloc(npages, sizeof(struct niobuf_local), GFP_NOFS);
rnb = kcalloc(npages, sizeof(struct niobuf_remote), GFP_NOFS);
if (tot_pages < npages)
npages = tot_pages;
- for (i = 0; i < npages; i++, off += PAGE_CACHE_SIZE) {
+ for (i = 0; i < npages; i++, off += PAGE_SIZE) {
rnb[i].offset = off;
- rnb[i].len = PAGE_CACHE_SIZE;
+ rnb[i].len = PAGE_SIZE;
rnb[i].flags = brw_flags;
}
{
LCONSOLE_INFO("Echo OBD driver; http://www.lustre.org/\n");
- LASSERT(PAGE_CACHE_SIZE % OBD_ECHO_BLOCK_SIZE == 0);
+ LASSERT(PAGE_SIZE % OBD_ECHO_BLOCK_SIZE == 0);
return echo_client_init();
}
if (rc)
return rc;
- pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */
+ pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */
if (pages_number <= 0 ||
- pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) ||
+ pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) ||
pages_number > totalram_pages / 4) /* 1/4 of RAM */
return -ERANGE;
client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_dirty_max = (u32)(pages_number << PAGE_CACHE_SHIFT);
+ cli->cl_dirty_max = (u32)(pages_number << PAGE_SHIFT);
osc_wake_cache_waiters(cli);
client_obd_list_unlock(&cli->cl_loi_list_lock);
{
struct obd_device *dev = m->private;
struct client_obd *cli = &dev->u.cli;
- int shift = 20 - PAGE_CACHE_SHIFT;
+ int shift = 20 - PAGE_SHIFT;
seq_printf(m,
"used_mb: %d\n"
return -EFAULT;
kernbuf[count] = 0;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ mult = 1 << (20 - PAGE_SHIFT);
buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) -
kernbuf;
rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
/* if the max_pages is specified in bytes, convert to pages */
if (val >= ONE_MB_BRW_SIZE)
- val >>= PAGE_CACHE_SHIFT;
+ val >>= PAGE_SHIFT;
- chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1);
+ chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_SHIFT)) - 1);
/* max_pages_per_rpc must be chunk aligned */
val = (val + ~chunk_mask) & chunk_mask;
- if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) {
+ if (val == 0 || val > ocd->ocd_brw_size >> PAGE_SHIFT) {
return -ERANGE;
}
client_obd_list_lock(&cli->cl_loi_list_lock);
return -ERANGE;
LASSERT(cur->oe_osclock == victim->oe_osclock);
- ppc_bits = osc_cli(obj)->cl_chunkbits - PAGE_CACHE_SHIFT;
+ ppc_bits = osc_cli(obj)->cl_chunkbits - PAGE_SHIFT;
chunk_start = cur->oe_start >> ppc_bits;
chunk_end = cur->oe_end >> ppc_bits;
if (chunk_start != (victim->oe_end >> ppc_bits) + 1 &&
lock = cl_lock_at_pgoff(env, osc2cl(obj), index, NULL, 1, 0);
LASSERT(lock->cll_descr.cld_mode >= CLM_WRITE);
- LASSERT(cli->cl_chunkbits >= PAGE_CACHE_SHIFT);
- ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT;
+ LASSERT(cli->cl_chunkbits >= PAGE_SHIFT);
+ ppc_bits = cli->cl_chunkbits - PAGE_SHIFT;
chunk_mask = ~((1 << ppc_bits) - 1);
chunksize = 1 << cli->cl_chunkbits;
chunk = index >> ppc_bits;
if (!sent) {
lost_grant = ext->oe_grants;
- } else if (blocksize < PAGE_CACHE_SIZE &&
- last_count != PAGE_CACHE_SIZE) {
+ } else if (blocksize < PAGE_SIZE &&
+ last_count != PAGE_SIZE) {
/* For short writes we shouldn't count parts of pages that
* span a whole chunk on the OST side, or our accounting goes
* wrong. Should match the code in filter_grant_check.
if (end)
count += blocksize - end;
- lost_grant = PAGE_CACHE_SIZE - count;
+ lost_grant = PAGE_SIZE - count;
}
if (ext->oe_grants > 0)
osc_free_grant(cli, nr_pages, lost_grant);
struct osc_async_page *oap;
struct osc_async_page *tmp;
int pages_in_chunk = 0;
- int ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT;
+ int ppc_bits = cli->cl_chunkbits - PAGE_SHIFT;
__u64 trunc_chunk = trunc_index >> ppc_bits;
int grants = 0;
int nr_pages = 0;
if (!(last->oap_async_flags & ASYNC_COUNT_STABLE)) {
last->oap_count = osc_refresh_count(env, last, OBD_BRW_WRITE);
LASSERT(last->oap_count > 0);
- LASSERT(last->oap_page_off + last->oap_count <= PAGE_CACHE_SIZE);
+ LASSERT(last->oap_page_off + last->oap_count <= PAGE_SIZE);
last->oap_async_flags |= ASYNC_COUNT_STABLE;
}
*/
list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) {
if (!(oap->oap_async_flags & ASYNC_COUNT_STABLE)) {
- oap->oap_count = PAGE_CACHE_SIZE - oap->oap_page_off;
+ oap->oap_count = PAGE_SIZE - oap->oap_page_off;
oap->oap_async_flags |= ASYNC_COUNT_STABLE;
}
}
struct osc_object *obj = ext->oe_obj;
struct client_obd *cli = osc_cli(obj);
struct osc_extent *next;
- int ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT;
+ int ppc_bits = cli->cl_chunkbits - PAGE_SHIFT;
pgoff_t chunk = index >> ppc_bits;
pgoff_t end_chunk;
pgoff_t end_index;
return 0;
else if (cl_offset(obj, page->cp_index + 1) > kms)
/* catch sub-page write at end of file */
- return kms % PAGE_CACHE_SIZE;
+ return kms % PAGE_SIZE;
else
- return PAGE_CACHE_SIZE;
+ return PAGE_SIZE;
}
static int osc_completion(const struct lu_env *env, struct osc_async_page *oap,
assert_spin_locked(&cli->cl_loi_list_lock.lock);
LASSERT(!(pga->flag & OBD_BRW_FROM_GRANT));
atomic_inc(&obd_dirty_pages);
- cli->cl_dirty += PAGE_CACHE_SIZE;
+ cli->cl_dirty += PAGE_SIZE;
pga->flag |= OBD_BRW_FROM_GRANT;
CDEBUG(D_CACHE, "using %lu grant credits for brw %p page %p\n",
- PAGE_CACHE_SIZE, pga, pga->pg);
+ PAGE_SIZE, pga, pga->pg);
osc_update_next_shrink(cli);
}
pga->flag &= ~OBD_BRW_FROM_GRANT;
atomic_dec(&obd_dirty_pages);
- cli->cl_dirty -= PAGE_CACHE_SIZE;
+ cli->cl_dirty -= PAGE_SIZE;
if (pga->flag & OBD_BRW_NOCACHE) {
pga->flag &= ~OBD_BRW_NOCACHE;
atomic_dec(&obd_dirty_transit_pages);
- cli->cl_dirty_transit -= PAGE_CACHE_SIZE;
+ cli->cl_dirty_transit -= PAGE_SIZE;
}
}
client_obd_list_lock(&cli->cl_loi_list_lock);
atomic_sub(nr_pages, &obd_dirty_pages);
- cli->cl_dirty -= nr_pages << PAGE_CACHE_SHIFT;
+ cli->cl_dirty -= nr_pages << PAGE_SHIFT;
cli->cl_lost_grant += lost_grant;
if (cli->cl_avail_grant < grant && cli->cl_lost_grant >= grant) {
/* borrow some grant from truncate to avoid the case that
if (rc < 0)
return 0;
- if (cli->cl_dirty + PAGE_CACHE_SIZE <= cli->cl_dirty_max &&
+ if (cli->cl_dirty + PAGE_SIZE <= cli->cl_dirty_max &&
atomic_read(&obd_dirty_pages) + 1 <= obd_max_dirty_pages) {
osc_consume_write_grant(cli, &oap->oap_brw_page);
if (transient) {
- cli->cl_dirty_transit += PAGE_CACHE_SIZE;
+ cli->cl_dirty_transit += PAGE_SIZE;
atomic_inc(&obd_dirty_transit_pages);
oap->oap_brw_flags |= OBD_BRW_NOCACHE;
}
* of queued writes and create a discontiguous rpc stream
*/
if (OBD_FAIL_CHECK(OBD_FAIL_OSC_NO_GRANT) ||
- cli->cl_dirty_max < PAGE_CACHE_SIZE ||
+ cli->cl_dirty_max < PAGE_SIZE ||
cli->cl_ar.ar_force_sync || loi->loi_ar.ar_force_sync) {
rc = -EDQUOT;
goto out;
ocw->ocw_rc = -EDQUOT;
/* we can't dirty more */
- if ((cli->cl_dirty + PAGE_CACHE_SIZE > cli->cl_dirty_max) ||
+ if ((cli->cl_dirty + PAGE_SIZE > cli->cl_dirty_max) ||
(atomic_read(&obd_dirty_pages) + 1 >
obd_max_dirty_pages)) {
CDEBUG(D_CACHE, "no dirty room: dirty: %ld osc max %ld, sys max %d\n",
int result;
opg->ops_from = 0;
- opg->ops_to = PAGE_CACHE_SIZE;
+ opg->ops_to = PAGE_SIZE;
result = osc_prep_async_page(osc, opg, vmpage,
cl_offset(obj, page->cp_index));
/* LRU pages are freed in batch mode. OSC should at least free this
* number of pages to avoid running out of LRU budget, and..
*/
-static const int lru_shrink_min = 2 << (20 - PAGE_CACHE_SHIFT); /* 2M */
+static const int lru_shrink_min = 2 << (20 - PAGE_SHIFT); /* 2M */
/* free this number at most otherwise it will take too long time to finish. */
-static const int lru_shrink_max = 32 << (20 - PAGE_CACHE_SHIFT); /* 32M */
+static const int lru_shrink_max = 32 << (20 - PAGE_SHIFT); /* 32M */
/* Check if we can free LRU slots from this OSC. If there exists LRU waiters,
* we should free slots aggressively. In this way, slots are freed in a steady
oa->o_undirty = 0;
} else {
long max_in_flight = (cli->cl_max_pages_per_rpc <<
- PAGE_CACHE_SHIFT)*
+ PAGE_SHIFT)*
(cli->cl_max_rpcs_in_flight + 1);
oa->o_undirty = max(cli->cl_dirty_max, max_in_flight);
}
static int osc_shrink_grant(struct client_obd *cli)
{
__u64 target_bytes = (cli->cl_max_rpcs_in_flight + 1) *
- (cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT);
+ (cli->cl_max_pages_per_rpc << PAGE_SHIFT);
client_obd_list_lock(&cli->cl_loi_list_lock);
if (cli->cl_avail_grant <= target_bytes)
- target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+ target_bytes = cli->cl_max_pages_per_rpc << PAGE_SHIFT;
client_obd_list_unlock(&cli->cl_loi_list_lock);
return osc_shrink_grant_to_target(cli, target_bytes);
* We don't want to shrink below a single RPC, as that will negatively
* impact block allocation and long-term performance.
*/
- if (target_bytes < cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT)
- target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+ if (target_bytes < cli->cl_max_pages_per_rpc << PAGE_SHIFT)
+ target_bytes = cli->cl_max_pages_per_rpc << PAGE_SHIFT;
if (target_bytes >= cli->cl_avail_grant) {
client_obd_list_unlock(&cli->cl_loi_list_lock);
* cli_brw_size(obd->u.cli.cl_import->imp_obd->obd_self_export)
* Keep comment here so that it can be found by searching.
*/
- int brw_size = client->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+ int brw_size = client->cl_max_pages_per_rpc << PAGE_SHIFT;
if (client->cl_import->imp_state == LUSTRE_IMP_FULL &&
client->cl_avail_grant > brw_size)
}
/* determine the appropriate chunk size used by osc_extent. */
- cli->cl_chunkbits = max_t(int, PAGE_CACHE_SHIFT, ocd->ocd_blocksize);
+ cli->cl_chunkbits = max_t(int, PAGE_SHIFT, ocd->ocd_blocksize);
client_obd_list_unlock(&cli->cl_loi_list_lock);
CDEBUG(D_CACHE, "%s, setting cl_avail_grant: %ld cl_lost_grant: %ld chunk bits: %d\n",
LASSERT(pg->count > 0);
/* make sure there is no gap in the middle of page array */
LASSERTF(page_count == 1 ||
- (ergo(i == 0, poff + pg->count == PAGE_CACHE_SIZE) &&
+ (ergo(i == 0, poff + pg->count == PAGE_SIZE) &&
ergo(i > 0 && i < page_count - 1,
- poff == 0 && pg->count == PAGE_CACHE_SIZE) &&
+ poff == 0 && pg->count == PAGE_SIZE) &&
ergo(i == page_count - 1, poff == 0)),
"i: %d/%d pg: %p off: %llu, count: %u\n",
i, page_count, pg, pg->off, pg->count);
oap->oap_count;
else
LASSERT(oap->oap_page_off + oap->oap_count ==
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
}
}
tmp->oap_request = ptlrpc_request_addref(req);
client_obd_list_lock(&cli->cl_loi_list_lock);
- starting_offset >>= PAGE_CACHE_SHIFT;
+ starting_offset >>= PAGE_SHIFT;
if (cmd == OBD_BRW_READ) {
cli->cl_r_in_flight++;
lprocfs_oh_tally_log2(&cli->cl_read_page_hist, page_count);
CFS_PAGE_MASK;
if (OBD_OBJECT_EOF - fm_key->fiemap.fm_length <=
- fm_key->fiemap.fm_start + PAGE_CACHE_SIZE - 1)
+ fm_key->fiemap.fm_start + PAGE_SIZE - 1)
policy.l_extent.end = OBD_OBJECT_EOF;
else
policy.l_extent.end = (fm_key->fiemap.fm_start +
fm_key->fiemap.fm_length +
- PAGE_CACHE_SIZE - 1) & CFS_PAGE_MASK;
+ PAGE_SIZE - 1) & CFS_PAGE_MASK;
ostid_build_res_name(&fm_key->oa.o_oi, &res_id);
mode = ldlm_lock_match(exp->exp_obd->obd_namespace,
LASSERT(page);
LASSERT(pageoffset >= 0);
LASSERT(len > 0);
- LASSERT(pageoffset + len <= PAGE_CACHE_SIZE);
+ LASSERT(pageoffset + len <= PAGE_SIZE);
desc->bd_nob += len;
if (pin)
- page_cache_get(page);
+ get_page(page);
ptlrpc_add_bulk_page(desc, page, pageoffset, len);
}
if (unpin) {
for (i = 0; i < desc->bd_iov_count; i++)
- page_cache_release(desc->bd_iov[i].kiov_page);
+ put_page(desc->bd_iov[i].kiov_page);
}
kfree(desc);
if (ocd->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
cli->cl_max_pages_per_rpc =
- min(ocd->ocd_brw_size >> PAGE_CACHE_SHIFT,
+ min(ocd->ocd_brw_size >> PAGE_SHIFT,
cli->cl_max_pages_per_rpc);
else if (imp->imp_connect_op == MDS_CONNECT ||
imp->imp_connect_op == MGS_CONNECT)
* hose a kernel by allowing the request history to grow too
* far.
*/
- bufpages = (svc->srv_buf_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ bufpages = (svc->srv_buf_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (val > totalram_pages / (2 * bufpages))
return -ERANGE;
const char prefix[] = "connection=";
const int prefix_len = sizeof(prefix) - 1;
- if (count > PAGE_CACHE_SIZE - 1 || count <= prefix_len)
+ if (count > PAGE_SIZE - 1 || count <= prefix_len)
return -EINVAL;
kbuf = kzalloc(count + 1, GFP_NOFS);
}
list_for_each_entry_safe(req, next, &imp->imp_sending_list, rq_list) {
- LASSERTF((long)req > PAGE_CACHE_SIZE && req != LP_POISON,
+ LASSERTF((long)req > PAGE_SIZE && req != LP_POISON,
"req %p bad\n", req);
LASSERTF(req->rq_type != LI_POISON, "req %p freed\n", req);
if (!ptlrpc_no_resend(req))
* bulk encryption page pools *
****************************************/
-#define POINTERS_PER_PAGE (PAGE_CACHE_SIZE / sizeof(void *))
+#define POINTERS_PER_PAGE (PAGE_SIZE / sizeof(void *))
#define PAGES_PER_POOL (POINTERS_PER_PAGE)
#define IDLE_IDX_MAX (100)
ffs->sb = sb;
data->ffs_data = NULL;
sb->s_fs_info = ffs;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = FUNCTIONFS_MAGIC;
sb->s_op = &ffs_sb_operations;
sb->s_time_gran = 1;
return -ENODEV;
/* superblock */
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = GADGETFS_MAGIC;
sb->s_op = &gadget_fs_operations;
sb->s_time_gran = 1;
unsigned int max_sectors = 64;
if (us->fflags & US_FL_MAX_SECTORS_MIN)
- max_sectors = PAGE_CACHE_SIZE >> 9;
+ max_sectors = PAGE_SIZE >> 9;
if (queue_max_hw_sectors(sdev->request_queue) > max_sectors)
blk_queue_max_hw_sectors(sdev->request_queue,
max_sectors);
out_unmap:
for (i = 0; i < nr_pages; i++)
- page_cache_release(pages[i]);
+ put_page(pages[i]);
kfree(pages);
* If called with zero offset, we should release
* the private state assocated with the page
*/
- if (offset == 0 && length == PAGE_CACHE_SIZE)
+ if (offset == 0 && length == PAGE_SIZE)
v9fs_fscache_invalidate_page(page);
}
struct bio_vec bvec;
int err, len;
- if (page->index == size >> PAGE_CACHE_SHIFT)
- len = size & ~PAGE_CACHE_MASK;
+ if (page->index == size >> PAGE_SHIFT)
+ len = size & ~PAGE_MASK;
else
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
bvec.bv_page = page;
bvec.bv_offset = 0;
int retval = 0;
struct page *page;
struct v9fs_inode *v9inode;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct inode *inode = mapping->host;
if (PageUptodate(page))
goto out;
- if (len == PAGE_CACHE_SIZE)
+ if (len == PAGE_SIZE)
goto out;
retval = v9fs_fid_readpage(v9inode->writeback_fid, page);
- page_cache_release(page);
+ put_page(page);
if (!retval)
goto start;
out:
/*
* zero out the rest of the area
*/
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
zero_user(page, from + copied, len - copied);
flush_dcache_page(page);
}
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
struct inode *inode = file_inode(file);
loff_t i_size;
unsigned long pg_start, pg_end;
- pg_start = origin >> PAGE_CACHE_SHIFT;
- pg_end = (origin + retval - 1) >> PAGE_CACHE_SHIFT;
+ pg_start = origin >> PAGE_SHIFT;
+ pg_end = (origin + retval - 1) >> PAGE_SHIFT;
if (inode->i_mapping && inode->i_mapping->nrpages)
invalidate_inode_pages2_range(inode->i_mapping,
pg_start, pg_end);
sb->s_op = &v9fs_super_ops;
sb->s_bdi = &v9ses->bdi;
if (v9ses->cache)
- sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_CACHE_SIZE;
+ sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE;
sb->s_flags |= MS_ACTIVE | MS_DIRSYNC | MS_NOATIME;
if (!v9ses->cache)
pr_debug("%s(%lu, %ld, 0, %d)\n", __func__, inode->i_ino,
page->index, to);
- BUG_ON(to > PAGE_CACHE_SIZE);
+ BUG_ON(to > PAGE_SIZE);
bsize = AFFS_SB(sb)->s_data_blksize;
- tmp = page->index << PAGE_CACHE_SHIFT;
+ tmp = page->index << PAGE_SHIFT;
bidx = tmp / bsize;
boff = tmp % bsize;
int err;
pr_debug("%s(%lu, %ld)\n", __func__, inode->i_ino, page->index);
- to = PAGE_CACHE_SIZE;
- if (((page->index + 1) << PAGE_CACHE_SHIFT) > inode->i_size) {
- to = inode->i_size & ~PAGE_CACHE_MASK;
- memset(page_address(page) + to, 0, PAGE_CACHE_SIZE - to);
+ to = PAGE_SIZE;
+ if (((page->index + 1) << PAGE_SHIFT) > inode->i_size) {
+ to = inode->i_size & ~PAGE_MASK;
+ memset(page_address(page) + to, 0, PAGE_SIZE - to);
}
err = affs_do_readpage_ofs(page, to);
return err;
}
- index = pos >> PAGE_CACHE_SHIFT;
+ index = pos >> PAGE_SHIFT;
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
return 0;
/* XXX: inefficient but safe in the face of short writes */
- err = affs_do_readpage_ofs(page, PAGE_CACHE_SIZE);
+ err = affs_do_readpage_ofs(page, PAGE_SIZE);
if (err) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return err;
}
u32 tmp;
int written;
- from = pos & (PAGE_CACHE_SIZE - 1);
+ from = pos & (PAGE_SIZE - 1);
to = pos + len;
/*
* XXX: not sure if this can handle short copies (len < copied), but
bh = NULL;
written = 0;
- tmp = (page->index << PAGE_CACHE_SHIFT) + from;
+ tmp = (page->index << PAGE_SHIFT) + from;
bidx = tmp / bsize;
boff = tmp % bsize;
if (boff) {
done:
affs_brelse(bh);
- tmp = (page->index << PAGE_CACHE_SHIFT) + from;
+ tmp = (page->index << PAGE_SHIFT) + from;
if (tmp > inode->i_size)
inode->i_size = AFFS_I(inode)->mmu_private = tmp;
err_first_bh:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return written;
static inline void afs_dir_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
/*
_debug("cache said ENOBUFS");
default:
go_on:
- offset = page->index << PAGE_CACHE_SHIFT;
+ offset = page->index << PAGE_SHIFT;
len = min_t(size_t, i_size_read(inode) - offset, PAGE_SIZE);
/* read the contents of the file from the server into the
BUG_ON(!PageLocked(page));
/* we clean up only if the entire page is being invalidated */
- if (offset == 0 && length == PAGE_CACHE_SIZE) {
+ if (offset == 0 && length == PAGE_SIZE) {
#ifdef CONFIG_AFS_FSCACHE
if (PageFsCache(page)) {
struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
kunmap(page);
out_free:
- page_cache_release(page);
+ put_page(page);
out:
_leave(" = %d", ret);
return ret;
buf = kmap_atomic(page);
memcpy(devname, buf, size);
kunmap_atomic(buf);
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
return mnt;
error:
- page_cache_release(page);
+ put_page(page);
error_no_page:
free_page((unsigned long) options);
error_no_options:
_enter("");
/* fill in the superblock */
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = AFS_FS_MAGIC;
sb->s_op = &afs_super_ops;
sb->s_bdi = &as->volume->bdi;
_enter(",,%llu", (unsigned long long)pos);
i_size = i_size_read(&vnode->vfs_inode);
- if (pos + PAGE_CACHE_SIZE > i_size)
+ if (pos + PAGE_SIZE > i_size)
len = i_size - pos;
else
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
ret = afs_vnode_fetch_data(vnode, key, pos, len, page);
if (ret < 0) {
struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
struct page *page;
struct key *key = file->private_data;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + len;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
int ret;
_enter("{%x:%u},{%lx},%u,%u",
*pagep = page;
/* page won't leak in error case: it eventually gets cleaned off LRU */
- if (!PageUptodate(page) && len != PAGE_CACHE_SIZE) {
- ret = afs_fill_page(vnode, key, index << PAGE_CACHE_SHIFT, page);
+ if (!PageUptodate(page) && len != PAGE_SIZE) {
+ ret = afs_fill_page(vnode, key, index << PAGE_SHIFT, page);
if (ret < 0) {
kfree(candidate);
_leave(" = %d [prep]", ret);
if (PageDirty(page))
_debug("dirtied");
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
if (page->index > end) {
*_next = index;
- page_cache_release(page);
+ put_page(page);
_leave(" = 0 [%lx]", *_next);
return 0;
}
if (page->mapping != mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
continue;
}
ret = afs_write_back_from_locked_page(wb, page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (ret < 0) {
_leave(" = %d", ret);
return ret;
&next);
mapping->writeback_index = next;
} else if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) {
- end = (pgoff_t)(LLONG_MAX >> PAGE_CACHE_SHIFT);
+ end = (pgoff_t)(LLONG_MAX >> PAGE_SHIFT);
ret = afs_writepages_region(mapping, wbc, 0, end, &next);
if (wbc->nr_to_write > 0)
mapping->writeback_index = next;
} else {
- start = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ start = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
ret = afs_writepages_region(mapping, wbc, start, end, &next);
}
void *kaddr = kmap(page);
stop = !dump_emit(cprm, kaddr, PAGE_SIZE);
kunmap(page);
- page_cache_release(page);
+ put_page(page);
} else
stop = !dump_skip(cprm, PAGE_SIZE);
if (stop)
void *kaddr = kmap(page);
res = dump_emit(cprm, kaddr, PAGE_SIZE);
kunmap(page);
- page_cache_release(page);
+ put_page(page);
} else {
res = dump_skip(cprm, PAGE_SIZE);
}
ret = block_write_end(file, mapping, pos, len, copied, page, fsdata);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ret;
}
inode_lock(bdev->bd_inode);
i_size_write(bdev->bd_inode, size);
inode_unlock(bdev->bd_inode);
- while (bsize < PAGE_CACHE_SIZE) {
+ while (bsize < PAGE_SIZE) {
if (size & bsize)
break;
bsize <<= 1;
BUG_ON(NULL == l);
ret = btrfsic_read_block(state, &tmp_next_block_ctx);
- if (ret < (int)PAGE_CACHE_SIZE) {
+ if (ret < (int)PAGE_SIZE) {
printk(KERN_INFO
"btrfsic: read @logical %llu failed!\n",
tmp_next_block_ctx.start);
size_t offset_in_page;
char *kaddr;
char *dst = (char *)dstv;
- size_t start_offset = block_ctx->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + offset) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = block_ctx->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + offset) >> PAGE_SHIFT;
WARN_ON(offset + len > block_ctx->len);
- offset_in_page = (start_offset + offset) & (PAGE_CACHE_SIZE - 1);
+ offset_in_page = (start_offset + offset) & (PAGE_SIZE - 1);
while (len > 0) {
- cur = min(len, ((size_t)PAGE_CACHE_SIZE - offset_in_page));
- BUG_ON(i >= DIV_ROUND_UP(block_ctx->len, PAGE_CACHE_SIZE));
+ cur = min(len, ((size_t)PAGE_SIZE - offset_in_page));
+ BUG_ON(i >= DIV_ROUND_UP(block_ctx->len, PAGE_SIZE));
kaddr = block_ctx->datav[i];
memcpy(dst, kaddr + offset_in_page, cur);
BUG_ON(!block_ctx->datav);
BUG_ON(!block_ctx->pagev);
- num_pages = (block_ctx->len + (u64)PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ num_pages = (block_ctx->len + (u64)PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
while (num_pages > 0) {
num_pages--;
if (block_ctx->datav[num_pages]) {
BUG_ON(block_ctx->datav);
BUG_ON(block_ctx->pagev);
BUG_ON(block_ctx->mem_to_free);
- if (block_ctx->dev_bytenr & ((u64)PAGE_CACHE_SIZE - 1)) {
+ if (block_ctx->dev_bytenr & ((u64)PAGE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: read_block() with unaligned bytenr %llu\n",
block_ctx->dev_bytenr);
return -1;
}
- num_pages = (block_ctx->len + (u64)PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ num_pages = (block_ctx->len + (u64)PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
block_ctx->mem_to_free = kzalloc((sizeof(*block_ctx->datav) +
sizeof(*block_ctx->pagev)) *
num_pages, GFP_NOFS);
for (j = i; j < num_pages; j++) {
ret = bio_add_page(bio, block_ctx->pagev[j],
- PAGE_CACHE_SIZE, 0);
- if (PAGE_CACHE_SIZE != ret)
+ PAGE_SIZE, 0);
+ if (PAGE_SIZE != ret)
break;
}
if (j == i) {
return -1;
}
bio_put(bio);
- dev_bytenr += (j - i) * PAGE_CACHE_SIZE;
+ dev_bytenr += (j - i) * PAGE_SIZE;
i = j;
}
for (i = 0; i < num_pages; i++) {
u32 crc = ~(u32)0;
unsigned int i;
- if (num_pages * PAGE_CACHE_SIZE < state->metablock_size)
+ if (num_pages * PAGE_SIZE < state->metablock_size)
return 1; /* not metadata */
- num_pages = state->metablock_size >> PAGE_CACHE_SHIFT;
+ num_pages = state->metablock_size >> PAGE_SHIFT;
h = (struct btrfs_header *)datav[0];
if (memcmp(h->fsid, state->root->fs_info->fsid, BTRFS_UUID_SIZE))
for (i = 0; i < num_pages; i++) {
u8 *data = i ? datav[i] : (datav[i] + BTRFS_CSUM_SIZE);
- size_t sublen = i ? PAGE_CACHE_SIZE :
- (PAGE_CACHE_SIZE - BTRFS_CSUM_SIZE);
+ size_t sublen = i ? PAGE_SIZE :
+ (PAGE_SIZE - BTRFS_CSUM_SIZE);
crc = btrfs_crc32c(crc, data, sublen);
}
if (block->is_superblock) {
bytenr = btrfs_super_bytenr((struct btrfs_super_block *)
mapped_datav[0]);
- if (num_pages * PAGE_CACHE_SIZE <
+ if (num_pages * PAGE_SIZE <
BTRFS_SUPER_INFO_SIZE) {
printk(KERN_INFO
"btrfsic: cannot work with too short bios!\n");
return;
}
is_metadata = 1;
- BUG_ON(BTRFS_SUPER_INFO_SIZE & (PAGE_CACHE_SIZE - 1));
+ BUG_ON(BTRFS_SUPER_INFO_SIZE & (PAGE_SIZE - 1));
processed_len = BTRFS_SUPER_INFO_SIZE;
if (state->print_mask &
BTRFSIC_PRINT_MASK_TREE_BEFORE_SB_WRITE) {
}
if (is_metadata) {
if (!block->is_superblock) {
- if (num_pages * PAGE_CACHE_SIZE <
+ if (num_pages * PAGE_SIZE <
state->metablock_size) {
printk(KERN_INFO
"btrfsic: cannot work with too short bios!\n");
}
block->logical_bytenr = bytenr;
} else {
- if (num_pages * PAGE_CACHE_SIZE <
+ if (num_pages * PAGE_SIZE <
state->datablock_size) {
printk(KERN_INFO
"btrfsic: cannot work with too short bios!\n");
block->logical_bytenr = bytenr;
block->is_metadata = 1;
if (block->is_superblock) {
- BUG_ON(PAGE_CACHE_SIZE !=
+ BUG_ON(PAGE_SIZE !=
BTRFS_SUPER_INFO_SIZE);
ret = btrfsic_process_written_superblock(
state,
continue_loop:
BUG_ON(!processed_len);
dev_bytenr += processed_len;
- mapped_datav += processed_len >> PAGE_CACHE_SHIFT;
- num_pages -= processed_len >> PAGE_CACHE_SHIFT;
+ mapped_datav += processed_len >> PAGE_SHIFT;
+ num_pages -= processed_len >> PAGE_SHIFT;
goto again;
}
goto leave;
cur_bytenr = dev_bytenr;
for (i = 0; i < bio->bi_vcnt; i++) {
- BUG_ON(bio->bi_io_vec[i].bv_len != PAGE_CACHE_SIZE);
+ BUG_ON(bio->bi_io_vec[i].bv_len != PAGE_SIZE);
mapped_datav[i] = kmap(bio->bi_io_vec[i].bv_page);
if (!mapped_datav[i]) {
while (i > 0) {
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
- if (root->nodesize & ((u64)PAGE_CACHE_SIZE - 1)) {
+ if (root->nodesize & ((u64)PAGE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: cannot handle nodesize %d not being a multiple of PAGE_CACHE_SIZE %ld!\n",
- root->nodesize, PAGE_CACHE_SIZE);
+ root->nodesize, PAGE_SIZE);
return -1;
}
- if (root->sectorsize & ((u64)PAGE_CACHE_SIZE - 1)) {
+ if (root->sectorsize & ((u64)PAGE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_CACHE_SIZE %ld!\n",
- root->sectorsize, PAGE_CACHE_SIZE);
+ root->sectorsize, PAGE_SIZE);
return -1;
}
state = kzalloc(sizeof(*state), GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
csum = ~(u32)0;
kaddr = kmap_atomic(page);
- csum = btrfs_csum_data(kaddr, csum, PAGE_CACHE_SIZE);
+ csum = btrfs_csum_data(kaddr, csum, PAGE_SIZE);
btrfs_csum_final(csum, (char *)&csum);
kunmap_atomic(kaddr);
for (index = 0; index < cb->nr_pages; index++) {
page = cb->compressed_pages[index];
page->mapping = NULL;
- page_cache_release(page);
+ put_page(page);
}
/* do io completion on the original bio */
static noinline void end_compressed_writeback(struct inode *inode,
const struct compressed_bio *cb)
{
- unsigned long index = cb->start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = (cb->start + cb->len - 1) >> PAGE_CACHE_SHIFT;
+ unsigned long index = cb->start >> PAGE_SHIFT;
+ unsigned long end_index = (cb->start + cb->len - 1) >> PAGE_SHIFT;
struct page *pages[16];
unsigned long nr_pages = end_index - index + 1;
int i;
if (cb->errors)
SetPageError(pages[i]);
end_page_writeback(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
nr_pages -= ret;
index += ret;
for (index = 0; index < cb->nr_pages; index++) {
page = cb->compressed_pages[index];
page->mapping = NULL;
- page_cache_release(page);
+ put_page(page);
}
/* finally free the cb struct */
int ret;
int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
- WARN_ON(start & ((u64)PAGE_CACHE_SIZE - 1));
+ WARN_ON(start & ((u64)PAGE_SIZE - 1));
cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);
if (!cb)
return -ENOMEM;
page->mapping = inode->i_mapping;
if (bio->bi_iter.bi_size)
ret = io_tree->ops->merge_bio_hook(WRITE, page, 0,
- PAGE_CACHE_SIZE,
+ PAGE_SIZE,
bio, 0);
else
ret = 0;
page->mapping = NULL;
- if (ret || bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) <
- PAGE_CACHE_SIZE) {
+ if (ret || bio_add_page(bio, page, PAGE_SIZE, 0) <
+ PAGE_SIZE) {
bio_get(bio);
/*
BUG_ON(!bio);
bio->bi_private = cb;
bio->bi_end_io = end_compressed_bio_write;
- bio_add_page(bio, page, PAGE_CACHE_SIZE, 0);
+ bio_add_page(bio, page, PAGE_SIZE, 0);
}
- if (bytes_left < PAGE_CACHE_SIZE) {
+ if (bytes_left < PAGE_SIZE) {
btrfs_info(BTRFS_I(inode)->root->fs_info,
"bytes left %lu compress len %lu nr %lu",
bytes_left, cb->compressed_len, cb->nr_pages);
}
- bytes_left -= PAGE_CACHE_SIZE;
- first_byte += PAGE_CACHE_SIZE;
+ bytes_left -= PAGE_SIZE;
+ first_byte += PAGE_SIZE;
cond_resched();
}
bio_get(bio);
int misses = 0;
page = cb->orig_bio->bi_io_vec[cb->orig_bio->bi_vcnt - 1].bv_page;
- last_offset = (page_offset(page) + PAGE_CACHE_SIZE);
+ last_offset = (page_offset(page) + PAGE_SIZE);
em_tree = &BTRFS_I(inode)->extent_tree;
tree = &BTRFS_I(inode)->io_tree;
if (isize == 0)
return 0;
- end_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (i_size_read(inode) - 1) >> PAGE_SHIFT;
while (last_offset < compressed_end) {
- pg_index = last_offset >> PAGE_CACHE_SHIFT;
+ pg_index = last_offset >> PAGE_SHIFT;
if (pg_index > end_index)
break;
break;
if (add_to_page_cache_lru(page, mapping, pg_index, GFP_NOFS)) {
- page_cache_release(page);
+ put_page(page);
goto next;
}
- end = last_offset + PAGE_CACHE_SIZE - 1;
+ end = last_offset + PAGE_SIZE - 1;
/*
* at this point, we have a locked page in the page cache
* for these bytes in the file. But, we have to make
lock_extent(tree, last_offset, end);
read_lock(&em_tree->lock);
em = lookup_extent_mapping(em_tree, last_offset,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
read_unlock(&em_tree->lock);
if (!em || last_offset < em->start ||
- (last_offset + PAGE_CACHE_SIZE > extent_map_end(em)) ||
+ (last_offset + PAGE_SIZE > extent_map_end(em)) ||
(em->block_start >> 9) != cb->orig_bio->bi_iter.bi_sector) {
free_extent_map(em);
unlock_extent(tree, last_offset, end);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
break;
}
free_extent_map(em);
if (page->index == end_index) {
char *userpage;
- size_t zero_offset = isize & (PAGE_CACHE_SIZE - 1);
+ size_t zero_offset = isize & (PAGE_SIZE - 1);
if (zero_offset) {
int zeros;
- zeros = PAGE_CACHE_SIZE - zero_offset;
+ zeros = PAGE_SIZE - zero_offset;
userpage = kmap_atomic(page);
memset(userpage + zero_offset, 0, zeros);
flush_dcache_page(page);
}
ret = bio_add_page(cb->orig_bio, page,
- PAGE_CACHE_SIZE, 0);
+ PAGE_SIZE, 0);
- if (ret == PAGE_CACHE_SIZE) {
+ if (ret == PAGE_SIZE) {
nr_pages++;
- page_cache_release(page);
+ put_page(page);
} else {
unlock_extent(tree, last_offset, end);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
break;
}
next:
- last_offset += PAGE_CACHE_SIZE;
+ last_offset += PAGE_SIZE;
}
return 0;
}
struct extent_map_tree *em_tree;
struct compressed_bio *cb;
struct btrfs_root *root = BTRFS_I(inode)->root;
- unsigned long uncompressed_len = bio->bi_vcnt * PAGE_CACHE_SIZE;
+ unsigned long uncompressed_len = bio->bi_vcnt * PAGE_SIZE;
unsigned long compressed_len;
unsigned long nr_pages;
unsigned long pg_index;
read_lock(&em_tree->lock);
em = lookup_extent_mapping(em_tree,
page_offset(bio->bi_io_vec->bv_page),
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
read_unlock(&em_tree->lock);
if (!em)
return -EIO;
cb->compress_type = extent_compress_type(bio_flags);
cb->orig_bio = bio;
- nr_pages = DIV_ROUND_UP(compressed_len, PAGE_CACHE_SIZE);
+ nr_pages = DIV_ROUND_UP(compressed_len, PAGE_SIZE);
cb->compressed_pages = kcalloc(nr_pages, sizeof(struct page *),
GFP_NOFS);
if (!cb->compressed_pages)
add_ra_bio_pages(inode, em_start + em_len, cb);
/* include any pages we added in add_ra-bio_pages */
- uncompressed_len = bio->bi_vcnt * PAGE_CACHE_SIZE;
+ uncompressed_len = bio->bi_vcnt * PAGE_SIZE;
cb->len = uncompressed_len;
comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS);
for (pg_index = 0; pg_index < nr_pages; pg_index++) {
page = cb->compressed_pages[pg_index];
page->mapping = inode->i_mapping;
- page->index = em_start >> PAGE_CACHE_SHIFT;
+ page->index = em_start >> PAGE_SHIFT;
if (comp_bio->bi_iter.bi_size)
ret = tree->ops->merge_bio_hook(READ, page, 0,
- PAGE_CACHE_SIZE,
+ PAGE_SIZE,
comp_bio, 0);
else
ret = 0;
page->mapping = NULL;
- if (ret || bio_add_page(comp_bio, page, PAGE_CACHE_SIZE, 0) <
- PAGE_CACHE_SIZE) {
+ if (ret || bio_add_page(comp_bio, page, PAGE_SIZE, 0) <
+ PAGE_SIZE) {
bio_get(comp_bio);
ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio,
comp_bio->bi_private = cb;
comp_bio->bi_end_io = end_compressed_bio_read;
- bio_add_page(comp_bio, page, PAGE_CACHE_SIZE, 0);
+ bio_add_page(comp_bio, page, PAGE_SIZE, 0);
}
- cur_disk_byte += PAGE_CACHE_SIZE;
+ cur_disk_byte += PAGE_SIZE;
}
bio_get(comp_bio);
/* copy bytes from the working buffer into the pages */
while (working_bytes > 0) {
- bytes = min(PAGE_CACHE_SIZE - *pg_offset,
- PAGE_CACHE_SIZE - buf_offset);
+ bytes = min(PAGE_SIZE - *pg_offset,
+ PAGE_SIZE - buf_offset);
bytes = min(bytes, working_bytes);
kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
current_buf_start += bytes;
/* check if we need to pick another page */
- if (*pg_offset == PAGE_CACHE_SIZE) {
+ if (*pg_offset == PAGE_SIZE) {
(*pg_index)++;
if (*pg_index >= vcnt)
return 0;
(unsigned long long)page_offset(page));
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
}
if (err)
return err;
- bdi->ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE;
+ bdi->ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_SIZE;
bdi->congested_fn = btrfs_congested_fn;
bdi->congested_data = info;
bdi->capabilities |= BDI_CAP_CGROUP_WRITEBACK;
err = ret;
goto fail_bdi;
}
- fs_info->dirty_metadata_batch = PAGE_CACHE_SIZE *
+ fs_info->dirty_metadata_batch = PAGE_SIZE *
(1 + ilog2(nr_cpu_ids));
ret = percpu_counter_init(&fs_info->delalloc_bytes, 0, GFP_KERNEL);
* flag our filesystem as having big metadata blocks if
* they are bigger than the page size
*/
- if (btrfs_super_nodesize(disk_super) > PAGE_CACHE_SIZE) {
+ if (btrfs_super_nodesize(disk_super) > PAGE_SIZE) {
if (!(features & BTRFS_FEATURE_INCOMPAT_BIG_METADATA))
printk(KERN_INFO "BTRFS: flagging fs with big metadata feature\n");
features |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
- SZ_4M / PAGE_CACHE_SIZE);
+ SZ_4M / PAGE_SIZE);
tree_root->nodesize = nodesize;
tree_root->sectorsize = sectorsize;
ret = -EINVAL;
}
/* Only PAGE SIZE is supported yet */
- if (sectorsize != PAGE_CACHE_SIZE) {
+ if (sectorsize != PAGE_SIZE) {
printk(KERN_ERR "BTRFS: sectorsize %llu not supported yet, only support %lu\n",
- sectorsize, PAGE_CACHE_SIZE);
+ sectorsize, PAGE_SIZE);
ret = -EINVAL;
}
if (!is_power_of_2(nodesize) || nodesize < sectorsize ||
num_pages = 1;
num_pages *= 16;
- num_pages *= PAGE_CACHE_SIZE;
+ num_pages *= PAGE_SIZE;
ret = btrfs_check_data_free_space(inode, 0, num_pages);
if (ret)
loops = 0;
while (delalloc_bytes && loops < 3) {
max_reclaim = min(delalloc_bytes, to_reclaim);
- nr_pages = max_reclaim >> PAGE_CACHE_SHIFT;
+ nr_pages = max_reclaim >> PAGE_SHIFT;
btrfs_writeback_inodes_sb_nr(root, nr_pages, items);
/*
* We need to wait for the async pages to actually start before
void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
{
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
struct page *page;
while (index <= end_index) {
page = find_get_page(inode->i_mapping, index);
BUG_ON(!page); /* Pages should be in the extent_io_tree */
clear_page_dirty_for_io(page);
- page_cache_release(page);
+ put_page(page);
index++;
}
}
void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end)
{
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
struct page *page;
while (index <= end_index) {
BUG_ON(!page); /* Pages should be in the extent_io_tree */
__set_page_dirty_nobuffers(page);
account_page_redirty(page);
- page_cache_release(page);
+ put_page(page);
index++;
}
}
*/
static void set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end)
{
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
struct page *page;
while (index <= end_index) {
page = find_get_page(tree->mapping, index);
BUG_ON(!page); /* Pages should be in the extent_io_tree */
set_page_writeback(page);
- page_cache_release(page);
+ put_page(page);
index++;
}
}
{
int ret;
struct page *pages[16];
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
unsigned long nr_pages = end_index - index + 1;
int i;
for (i = 0; i < ret; i++) {
if (pages[i] != locked_page)
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
nr_pages -= ret;
index += ret;
u64 delalloc_start,
u64 delalloc_end)
{
- unsigned long index = delalloc_start >> PAGE_CACHE_SHIFT;
+ unsigned long index = delalloc_start >> PAGE_SHIFT;
unsigned long start_index = index;
- unsigned long end_index = delalloc_end >> PAGE_CACHE_SHIFT;
+ unsigned long end_index = delalloc_end >> PAGE_SHIFT;
unsigned long pages_locked = 0;
struct page *pages[16];
unsigned long nrpages;
pages[i]->mapping != inode->i_mapping) {
ret = -EAGAIN;
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
goto done;
}
}
- page_cache_release(pages[i]);
+ put_page(pages[i]);
pages_locked++;
}
nrpages -= ret;
__unlock_for_delalloc(inode, locked_page,
delalloc_start,
((u64)(start_index + pages_locked - 1)) <<
- PAGE_CACHE_SHIFT);
+ PAGE_SHIFT);
}
return ret;
}
free_extent_state(cached_state);
cached_state = NULL;
if (!loops) {
- max_bytes = PAGE_CACHE_SIZE;
+ max_bytes = PAGE_SIZE;
loops = 1;
goto again;
} else {
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
int ret;
struct page *pages[16];
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
unsigned long nr_pages = end_index - index + 1;
int i;
SetPagePrivate2(pages[i]);
if (pages[i] == locked_page) {
- page_cache_release(pages[i]);
+ put_page(pages[i]);
continue;
}
if (page_ops & PAGE_CLEAR_DIRTY)
end_page_writeback(pages[i]);
if (page_ops & PAGE_UNLOCK)
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
nr_pages -= ret;
index += ret;
static void check_page_uptodate(struct extent_io_tree *tree, struct page *page)
{
u64 start = page_offset(page);
- u64 end = start + PAGE_CACHE_SIZE - 1;
+ u64 end = start + PAGE_SIZE - 1;
if (test_range_bit(tree, start, end, EXTENT_UPTODATE, 1, NULL))
SetPageUptodate(page);
}
struct page *p = eb->pages[i];
ret = repair_io_failure(root->fs_info->btree_inode, start,
- PAGE_CACHE_SIZE, start, p,
+ PAGE_SIZE, start, p,
start - page_offset(p), mirror_num);
if (ret)
break;
- start += PAGE_CACHE_SIZE;
+ start += PAGE_SIZE;
}
return ret;
* advance bv_offset and adjust bv_len to compensate.
* Print a warning for nonzero offsets, and an error
* if they don't add up to a full page. */
- if (bvec->bv_offset || bvec->bv_len != PAGE_CACHE_SIZE) {
- if (bvec->bv_offset + bvec->bv_len != PAGE_CACHE_SIZE)
+ if (bvec->bv_offset || bvec->bv_len != PAGE_SIZE) {
+ if (bvec->bv_offset + bvec->bv_len != PAGE_SIZE)
btrfs_err(BTRFS_I(page->mapping->host)->root->fs_info,
"partial page write in btrfs with offset %u and length %u",
bvec->bv_offset, bvec->bv_len);
* advance bv_offset and adjust bv_len to compensate.
* Print a warning for nonzero offsets, and an error
* if they don't add up to a full page. */
- if (bvec->bv_offset || bvec->bv_len != PAGE_CACHE_SIZE) {
- if (bvec->bv_offset + bvec->bv_len != PAGE_CACHE_SIZE)
+ if (bvec->bv_offset || bvec->bv_len != PAGE_SIZE) {
+ if (bvec->bv_offset + bvec->bv_len != PAGE_SIZE)
btrfs_err(BTRFS_I(page->mapping->host)->root->fs_info,
"partial page read in btrfs with offset %u and length %u",
bvec->bv_offset, bvec->bv_len);
readpage_ok:
if (likely(uptodate)) {
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned off;
/* Zero out the end if this page straddles i_size */
- off = i_size & (PAGE_CACHE_SIZE-1);
+ off = i_size & (PAGE_SIZE-1);
if (page->index == end_index && off)
- zero_user_segment(page, off, PAGE_CACHE_SIZE);
+ zero_user_segment(page, off, PAGE_SIZE);
SetPageUptodate(page);
} else {
ClearPageUptodate(page);
struct bio *bio;
int contig = 0;
int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED;
- size_t page_size = min_t(size_t, size, PAGE_CACHE_SIZE);
+ size_t page_size = min_t(size_t, size, PAGE_SIZE);
if (bio_ret && *bio_ret) {
bio = *bio_ret;
{
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
set_page_private(page, (unsigned long)eb);
} else {
WARN_ON(page->private != (unsigned long)eb);
{
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
set_page_private(page, EXTENT_PAGE_PRIVATE);
}
}
{
struct inode *inode = page->mapping->host;
u64 start = page_offset(page);
- u64 page_end = start + PAGE_CACHE_SIZE - 1;
+ u64 page_end = start + PAGE_SIZE - 1;
u64 end;
u64 cur = start;
u64 extent_offset;
}
}
- if (page->index == last_byte >> PAGE_CACHE_SHIFT) {
+ if (page->index == last_byte >> PAGE_SHIFT) {
char *userpage;
- size_t zero_offset = last_byte & (PAGE_CACHE_SIZE - 1);
+ size_t zero_offset = last_byte & (PAGE_SIZE - 1);
if (zero_offset) {
- iosize = PAGE_CACHE_SIZE - zero_offset;
+ iosize = PAGE_SIZE - zero_offset;
userpage = kmap_atomic(page);
memset(userpage + zero_offset, 0, iosize);
flush_dcache_page(page);
}
}
while (cur <= end) {
- unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1;
+ unsigned long pnr = (last_byte >> PAGE_SHIFT) + 1;
bool force_bio_submit = false;
if (cur >= last_byte) {
char *userpage;
struct extent_state *cached = NULL;
- iosize = PAGE_CACHE_SIZE - pg_offset;
+ iosize = PAGE_SIZE - pg_offset;
userpage = kmap_atomic(page);
memset(userpage + pg_offset, 0, iosize);
flush_dcache_page(page);
for (index = 0; index < nr_pages; index++) {
__do_readpage(tree, pages[index], get_extent, em_cached, bio,
mirror_num, bio_flags, rw, prev_em_start);
- page_cache_release(pages[index]);
+ put_page(pages[index]);
}
}
page_start = page_offset(pages[index]);
if (!end) {
start = page_start;
- end = start + PAGE_CACHE_SIZE - 1;
+ end = start + PAGE_SIZE - 1;
first_index = index;
} else if (end + 1 == page_start) {
- end += PAGE_CACHE_SIZE;
+ end += PAGE_SIZE;
} else {
__do_contiguous_readpages(tree, &pages[first_index],
index - first_index, start,
bio, mirror_num, bio_flags,
rw, prev_em_start);
start = page_start;
- end = start + PAGE_CACHE_SIZE - 1;
+ end = start + PAGE_SIZE - 1;
first_index = index;
}
}
struct inode *inode = page->mapping->host;
struct btrfs_ordered_extent *ordered;
u64 start = page_offset(page);
- u64 end = start + PAGE_CACHE_SIZE - 1;
+ u64 end = start + PAGE_SIZE - 1;
int ret;
while (1) {
lock_extent(tree, start, end);
ordered = btrfs_lookup_ordered_range(inode, start,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (!ordered)
break;
unlock_extent(tree, start, end);
unsigned long *nr_written)
{
struct extent_io_tree *tree = epd->tree;
- u64 page_end = delalloc_start + PAGE_CACHE_SIZE - 1;
+ u64 page_end = delalloc_start + PAGE_SIZE - 1;
u64 nr_delalloc;
u64 delalloc_to_write = 0;
u64 delalloc_end = 0;
* PAGE_CACHE_SIZE
*/
delalloc_to_write += (delalloc_end - delalloc_start +
- PAGE_CACHE_SIZE) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SIZE) >>
+ PAGE_SHIFT;
delalloc_start = delalloc_end + 1;
}
if (wbc->nr_to_write < delalloc_to_write) {
{
struct extent_io_tree *tree = epd->tree;
u64 start = page_offset(page);
- u64 page_end = start + PAGE_CACHE_SIZE - 1;
+ u64 page_end = start + PAGE_SIZE - 1;
u64 end;
u64 cur = start;
u64 extent_offset;
if (ret) {
SetPageError(page);
} else {
- unsigned long max_nr = (i_size >> PAGE_CACHE_SHIFT) + 1;
+ unsigned long max_nr = (i_size >> PAGE_SHIFT) + 1;
set_range_writeback(tree, cur, cur + iosize - 1);
if (!PageWriteback(page)) {
struct inode *inode = page->mapping->host;
struct extent_page_data *epd = data;
u64 start = page_offset(page);
- u64 page_end = start + PAGE_CACHE_SIZE - 1;
+ u64 page_end = start + PAGE_SIZE - 1;
int ret;
int nr = 0;
size_t pg_offset = 0;
loff_t i_size = i_size_read(inode);
- unsigned long end_index = i_size >> PAGE_CACHE_SHIFT;
+ unsigned long end_index = i_size >> PAGE_SHIFT;
int write_flags;
unsigned long nr_written = 0;
ClearPageError(page);
- pg_offset = i_size & (PAGE_CACHE_SIZE - 1);
+ pg_offset = i_size & (PAGE_SIZE - 1);
if (page->index > end_index ||
(page->index == end_index && !pg_offset)) {
- page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
unlock_page(page);
return 0;
}
userpage = kmap_atomic(page);
memset(userpage + pg_offset, 0,
- PAGE_CACHE_SIZE - pg_offset);
+ PAGE_SIZE - pg_offset);
kunmap_atomic(userpage);
flush_dcache_page(page);
}
clear_page_dirty_for_io(p);
set_page_writeback(p);
ret = submit_extent_page(rw, tree, wbc, p, offset >> 9,
- PAGE_CACHE_SIZE, 0, bdev, &epd->bio,
+ PAGE_SIZE, 0, bdev, &epd->bio,
-1, end_bio_extent_buffer_writepage,
0, epd->bio_flags, bio_flags, false);
epd->bio_flags = bio_flags;
ret = -EIO;
break;
}
- offset += PAGE_CACHE_SIZE;
+ offset += PAGE_SIZE;
update_nr_written(p, wbc, 1);
unlock_page(p);
}
index = mapping->writeback_index; /* Start from prev offset */
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
scanned = 1;
}
if (wbc->sync_mode == WB_SYNC_ALL)
index = mapping->writeback_index; /* Start from prev offset */
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
scanned = 1;
}
if (wbc->sync_mode == WB_SYNC_ALL)
int ret = 0;
struct address_space *mapping = inode->i_mapping;
struct page *page;
- unsigned long nr_pages = (end - start + PAGE_CACHE_SIZE) >>
- PAGE_CACHE_SHIFT;
+ unsigned long nr_pages = (end - start + PAGE_SIZE) >>
+ PAGE_SHIFT;
struct extent_page_data epd = {
.bio = NULL,
};
while (start <= end) {
- page = find_get_page(mapping, start >> PAGE_CACHE_SHIFT);
+ page = find_get_page(mapping, start >> PAGE_SHIFT);
if (clear_page_dirty_for_io(page))
ret = __extent_writepage(page, &wbc_writepages, &epd);
else {
if (tree->ops && tree->ops->writepage_end_io_hook)
tree->ops->writepage_end_io_hook(page, start,
- start + PAGE_CACHE_SIZE - 1,
+ start + PAGE_SIZE - 1,
NULL, 1);
unlock_page(page);
}
- page_cache_release(page);
- start += PAGE_CACHE_SIZE;
+ put_page(page);
+ start += PAGE_SIZE;
}
flush_epd_write_bio(&epd);
list_del(&page->lru);
if (add_to_page_cache_lru(page, mapping,
page->index, GFP_NOFS)) {
- page_cache_release(page);
+ put_page(page);
continue;
}
{
struct extent_state *cached_state = NULL;
u64 start = page_offset(page);
- u64 end = start + PAGE_CACHE_SIZE - 1;
+ u64 end = start + PAGE_SIZE - 1;
size_t blocksize = page->mapping->host->i_sb->s_blocksize;
start += ALIGN(offset, blocksize);
struct page *page, gfp_t mask)
{
u64 start = page_offset(page);
- u64 end = start + PAGE_CACHE_SIZE - 1;
+ u64 end = start + PAGE_SIZE - 1;
int ret = 1;
if (test_range_bit(tree, start, end,
{
struct extent_map *em;
u64 start = page_offset(page);
- u64 end = start + PAGE_CACHE_SIZE - 1;
+ u64 end = start + PAGE_SIZE - 1;
if (gfpflags_allow_blocking(mask) &&
page->mapping->host->i_size > SZ_16M) {
ClearPagePrivate(page);
set_page_private(page, 0);
/* One for the page private */
- page_cache_release(page);
+ put_page(page);
}
if (mapped)
spin_unlock(&page->mapping->private_lock);
/* One for when we alloced the page */
- page_cache_release(page);
+ put_page(page);
} while (index != 0);
}
rcu_read_lock();
eb = radix_tree_lookup(&fs_info->buffer_radix,
- start >> PAGE_CACHE_SHIFT);
+ start >> PAGE_SHIFT);
if (eb && atomic_inc_not_zero(&eb->refs)) {
rcu_read_unlock();
/*
goto free_eb;
spin_lock(&fs_info->buffer_lock);
ret = radix_tree_insert(&fs_info->buffer_radix,
- start >> PAGE_CACHE_SHIFT, eb);
+ start >> PAGE_SHIFT, eb);
spin_unlock(&fs_info->buffer_lock);
radix_tree_preload_end();
if (ret == -EEXIST) {
unsigned long len = fs_info->tree_root->nodesize;
unsigned long num_pages = num_extent_pages(start, len);
unsigned long i;
- unsigned long index = start >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
struct extent_buffer *eb;
struct extent_buffer *exists = NULL;
struct page *p;
if (atomic_inc_not_zero(&exists->refs)) {
spin_unlock(&mapping->private_lock);
unlock_page(p);
- page_cache_release(p);
+ put_page(p);
mark_extent_buffer_accessed(exists, p);
goto free_eb;
}
*/
ClearPagePrivate(p);
WARN_ON(PageDirty(p));
- page_cache_release(p);
+ put_page(p);
}
attach_extent_buffer_page(eb, p);
spin_unlock(&mapping->private_lock);
spin_lock(&fs_info->buffer_lock);
ret = radix_tree_insert(&fs_info->buffer_radix,
- start >> PAGE_CACHE_SHIFT, eb);
+ start >> PAGE_SHIFT, eb);
spin_unlock(&fs_info->buffer_lock);
radix_tree_preload_end();
if (ret == -EEXIST) {
spin_lock(&fs_info->buffer_lock);
radix_tree_delete(&fs_info->buffer_radix,
- eb->start >> PAGE_CACHE_SHIFT);
+ eb->start >> PAGE_SHIFT);
spin_unlock(&fs_info->buffer_lock);
} else {
spin_unlock(&eb->refs_lock);
if (start) {
WARN_ON(start < eb->start);
- start_i = (start >> PAGE_CACHE_SHIFT) -
- (eb->start >> PAGE_CACHE_SHIFT);
+ start_i = (start >> PAGE_SHIFT) -
+ (eb->start >> PAGE_SHIFT);
} else {
start_i = 0;
}
struct page *page;
char *kaddr;
char *dst = (char *)dstv;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = (start_offset + start) & (PAGE_CACHE_SIZE - 1);
+ offset = (start_offset + start) & (PAGE_SIZE - 1);
while (len > 0) {
page = eb->pages[i];
- cur = min(len, (PAGE_CACHE_SIZE - offset));
+ cur = min(len, (PAGE_SIZE - offset));
kaddr = page_address(page);
memcpy(dst, kaddr + offset, cur);
struct page *page;
char *kaddr;
char __user *dst = (char __user *)dstv;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
int ret = 0;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = (start_offset + start) & (PAGE_CACHE_SIZE - 1);
+ offset = (start_offset + start) & (PAGE_SIZE - 1);
while (len > 0) {
page = eb->pages[i];
- cur = min(len, (PAGE_CACHE_SIZE - offset));
+ cur = min(len, (PAGE_SIZE - offset));
kaddr = page_address(page);
if (copy_to_user(dst, kaddr + offset, cur)) {
ret = -EFAULT;
unsigned long *map_start,
unsigned long *map_len)
{
- size_t offset = start & (PAGE_CACHE_SIZE - 1);
+ size_t offset = start & (PAGE_SIZE - 1);
char *kaddr;
struct page *p;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
unsigned long end_i = (start_offset + start + min_len - 1) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
if (i != end_i)
return -EINVAL;
*map_start = 0;
} else {
offset = 0;
- *map_start = ((u64)i << PAGE_CACHE_SHIFT) - start_offset;
+ *map_start = ((u64)i << PAGE_SHIFT) - start_offset;
}
if (start + min_len > eb->len) {
p = eb->pages[i];
kaddr = page_address(p);
*map = kaddr + offset;
- *map_len = PAGE_CACHE_SIZE - offset;
+ *map_len = PAGE_SIZE - offset;
return 0;
}
struct page *page;
char *kaddr;
char *ptr = (char *)ptrv;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
int ret = 0;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = (start_offset + start) & (PAGE_CACHE_SIZE - 1);
+ offset = (start_offset + start) & (PAGE_SIZE - 1);
while (len > 0) {
page = eb->pages[i];
- cur = min(len, (PAGE_CACHE_SIZE - offset));
+ cur = min(len, (PAGE_SIZE - offset));
kaddr = page_address(page);
ret = memcmp(ptr, kaddr + offset, cur);
struct page *page;
char *kaddr;
char *src = (char *)srcv;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = (start_offset + start) & (PAGE_CACHE_SIZE - 1);
+ offset = (start_offset + start) & (PAGE_SIZE - 1);
while (len > 0) {
page = eb->pages[i];
WARN_ON(!PageUptodate(page));
- cur = min(len, PAGE_CACHE_SIZE - offset);
+ cur = min(len, PAGE_SIZE - offset);
kaddr = page_address(page);
memcpy(kaddr + offset, src, cur);
size_t offset;
struct page *page;
char *kaddr;
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + start) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + start) >> PAGE_SHIFT;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = (start_offset + start) & (PAGE_CACHE_SIZE - 1);
+ offset = (start_offset + start) & (PAGE_SIZE - 1);
while (len > 0) {
page = eb->pages[i];
WARN_ON(!PageUptodate(page));
- cur = min(len, PAGE_CACHE_SIZE - offset);
+ cur = min(len, PAGE_SIZE - offset);
kaddr = page_address(page);
memset(kaddr + offset, c, cur);
size_t offset;
struct page *page;
char *kaddr;
- size_t start_offset = dst->start & ((u64)PAGE_CACHE_SIZE - 1);
- unsigned long i = (start_offset + dst_offset) >> PAGE_CACHE_SHIFT;
+ size_t start_offset = dst->start & ((u64)PAGE_SIZE - 1);
+ unsigned long i = (start_offset + dst_offset) >> PAGE_SHIFT;
WARN_ON(src->len != dst_len);
offset = (start_offset + dst_offset) &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
while (len > 0) {
page = dst->pages[i];
WARN_ON(!PageUptodate(page));
- cur = min(len, (unsigned long)(PAGE_CACHE_SIZE - offset));
+ cur = min(len, (unsigned long)(PAGE_SIZE - offset));
kaddr = page_address(page);
read_extent_buffer(src, kaddr + offset, src_offset, cur);
unsigned long *page_index,
size_t *page_offset)
{
- size_t start_offset = eb->start & ((u64)PAGE_CACHE_SIZE - 1);
+ size_t start_offset = eb->start & ((u64)PAGE_SIZE - 1);
size_t byte_offset = BIT_BYTE(nr);
size_t offset;
*/
offset = start_offset + start + byte_offset;
- *page_index = offset >> PAGE_CACHE_SHIFT;
- *page_offset = offset & (PAGE_CACHE_SIZE - 1);
+ *page_index = offset >> PAGE_SHIFT;
+ *page_offset = offset & (PAGE_SIZE - 1);
}
/**
len -= bits_to_set;
bits_to_set = BITS_PER_BYTE;
mask_to_set = ~0U;
- if (++offset >= PAGE_CACHE_SIZE && len > 0) {
+ if (++offset >= PAGE_SIZE && len > 0) {
offset = 0;
page = eb->pages[++i];
WARN_ON(!PageUptodate(page));
len -= bits_to_clear;
bits_to_clear = BITS_PER_BYTE;
mask_to_clear = ~0U;
- if (++offset >= PAGE_CACHE_SIZE && len > 0) {
+ if (++offset >= PAGE_SIZE && len > 0) {
offset = 0;
page = eb->pages[++i];
WARN_ON(!PageUptodate(page));
size_t cur;
size_t dst_off_in_page;
size_t src_off_in_page;
- size_t start_offset = dst->start & ((u64)PAGE_CACHE_SIZE - 1);
+ size_t start_offset = dst->start & ((u64)PAGE_SIZE - 1);
unsigned long dst_i;
unsigned long src_i;
while (len > 0) {
dst_off_in_page = (start_offset + dst_offset) &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
src_off_in_page = (start_offset + src_offset) &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
- dst_i = (start_offset + dst_offset) >> PAGE_CACHE_SHIFT;
- src_i = (start_offset + src_offset) >> PAGE_CACHE_SHIFT;
+ dst_i = (start_offset + dst_offset) >> PAGE_SHIFT;
+ src_i = (start_offset + src_offset) >> PAGE_SHIFT;
- cur = min(len, (unsigned long)(PAGE_CACHE_SIZE -
+ cur = min(len, (unsigned long)(PAGE_SIZE -
src_off_in_page));
cur = min_t(unsigned long, cur,
- (unsigned long)(PAGE_CACHE_SIZE - dst_off_in_page));
+ (unsigned long)(PAGE_SIZE - dst_off_in_page));
copy_pages(dst->pages[dst_i], dst->pages[src_i],
dst_off_in_page, src_off_in_page, cur);
size_t src_off_in_page;
unsigned long dst_end = dst_offset + len - 1;
unsigned long src_end = src_offset + len - 1;
- size_t start_offset = dst->start & ((u64)PAGE_CACHE_SIZE - 1);
+ size_t start_offset = dst->start & ((u64)PAGE_SIZE - 1);
unsigned long dst_i;
unsigned long src_i;
return;
}
while (len > 0) {
- dst_i = (start_offset + dst_end) >> PAGE_CACHE_SHIFT;
- src_i = (start_offset + src_end) >> PAGE_CACHE_SHIFT;
+ dst_i = (start_offset + dst_end) >> PAGE_SHIFT;
+ src_i = (start_offset + src_end) >> PAGE_SHIFT;
dst_off_in_page = (start_offset + dst_end) &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
src_off_in_page = (start_offset + src_end) &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
cur = min_t(unsigned long, len, src_off_in_page + 1);
cur = min(cur, dst_off_in_page + 1);
};
#define INLINE_EXTENT_BUFFER_PAGES 16
-#define MAX_INLINE_EXTENT_BUFFER_SIZE (INLINE_EXTENT_BUFFER_PAGES * PAGE_CACHE_SIZE)
+#define MAX_INLINE_EXTENT_BUFFER_SIZE (INLINE_EXTENT_BUFFER_PAGES * PAGE_SIZE)
struct extent_buffer {
u64 start;
unsigned long len;
static inline unsigned long num_extent_pages(u64 start, u64 len)
{
- return ((start + len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) -
- (start >> PAGE_CACHE_SHIFT);
+ return ((start + len + PAGE_SIZE - 1) >> PAGE_SHIFT) -
+ (start >> PAGE_SHIFT);
}
static inline void extent_buffer_get(struct extent_buffer *eb)
size) - 1))
#define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \
- PAGE_CACHE_SIZE))
+ PAGE_SIZE))
#define MAX_ORDERED_SUM_BYTES(r) ((PAGE_SIZE - \
sizeof(struct btrfs_ordered_sum)) / \
csum = (u8 *)dst;
}
- if (bio->bi_iter.bi_size > PAGE_CACHE_SIZE * 8)
+ if (bio->bi_iter.bi_size > PAGE_SIZE * 8)
path->reada = READA_FORWARD;
WARN_ON(bio->bi_vcnt <= 0);
size_t copied = 0;
size_t total_copied = 0;
int pg = 0;
- int offset = pos & (PAGE_CACHE_SIZE - 1);
+ int offset = pos & (PAGE_SIZE - 1);
while (write_bytes > 0) {
size_t count = min_t(size_t,
- PAGE_CACHE_SIZE - offset, write_bytes);
+ PAGE_SIZE - offset, write_bytes);
struct page *page = prepared_pages[pg];
/*
* Copy data from userspace to the current page
if (unlikely(copied == 0))
break;
- if (copied < PAGE_CACHE_SIZE - offset) {
+ if (copied < PAGE_SIZE - offset) {
offset += copied;
} else {
pg++;
*/
ClearPageChecked(pages[i]);
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
}
{
int ret = 0;
- if (((pos & (PAGE_CACHE_SIZE - 1)) || force_uptodate) &&
+ if (((pos & (PAGE_SIZE - 1)) || force_uptodate) &&
!PageUptodate(page)) {
ret = btrfs_readpage(NULL, page);
if (ret)
size_t write_bytes, bool force_uptodate)
{
int i;
- unsigned long index = pos >> PAGE_CACHE_SHIFT;
+ unsigned long index = pos >> PAGE_SHIFT;
gfp_t mask = btrfs_alloc_write_mask(inode->i_mapping);
int err = 0;
int faili;
err = prepare_uptodate_page(inode, pages[i],
pos + write_bytes, false);
if (err) {
- page_cache_release(pages[i]);
+ put_page(pages[i]);
if (err == -EAGAIN) {
err = 0;
goto again;
fail:
while (faili >= 0) {
unlock_page(pages[faili]);
- page_cache_release(pages[faili]);
+ put_page(pages[faili]);
faili--;
}
return err;
cached_state, GFP_NOFS);
for (i = 0; i < num_pages; i++) {
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
btrfs_start_ordered_extent(inode, ordered, 1);
btrfs_put_ordered_extent(ordered);
bool force_page_uptodate = false;
bool need_unlock;
- nrptrs = min(DIV_ROUND_UP(iov_iter_count(i), PAGE_CACHE_SIZE),
- PAGE_CACHE_SIZE / (sizeof(struct page *)));
+ nrptrs = min(DIV_ROUND_UP(iov_iter_count(i), PAGE_SIZE),
+ PAGE_SIZE / (sizeof(struct page *)));
nrptrs = min(nrptrs, current->nr_dirtied_pause - current->nr_dirtied);
nrptrs = max(nrptrs, 8);
pages = kmalloc_array(nrptrs, sizeof(struct page *), GFP_KERNEL);
return -ENOMEM;
while (iov_iter_count(i) > 0) {
- size_t offset = pos & (PAGE_CACHE_SIZE - 1);
+ size_t offset = pos & (PAGE_SIZE - 1);
size_t sector_offset;
size_t write_bytes = min(iov_iter_count(i),
- nrptrs * (size_t)PAGE_CACHE_SIZE -
+ nrptrs * (size_t)PAGE_SIZE -
offset);
size_t num_pages = DIV_ROUND_UP(write_bytes + offset,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
size_t reserve_bytes;
size_t dirty_pages;
size_t copied;
* write_bytes, so scale down.
*/
num_pages = DIV_ROUND_UP(write_bytes + offset,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
reserve_bytes = round_up(write_bytes + sector_offset,
root->sectorsize);
goto reserve_metadata;
} else {
force_page_uptodate = false;
dirty_pages = DIV_ROUND_UP(copied + offset,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
}
/*
u64 __pos;
__pos = round_down(pos, root->sectorsize) +
- (dirty_pages << PAGE_CACHE_SHIFT);
+ (dirty_pages << PAGE_SHIFT);
btrfs_delalloc_release_space(inode, __pos,
release_bytes);
}
cond_resched();
balance_dirty_pages_ratelimited(inode->i_mapping);
- if (dirty_pages < (root->nodesize >> PAGE_CACHE_SHIFT) + 1)
+ if (dirty_pages < (root->nodesize >> PAGE_SHIFT) + 1)
btrfs_btree_balance_dirty(root);
pos += copied;
goto out;
written += written_buffered;
iocb->ki_pos = pos + written_buffered;
- invalidate_mapping_pages(file->f_mapping, pos >> PAGE_CACHE_SHIFT,
- endbyte >> PAGE_CACHE_SHIFT);
+ invalidate_mapping_pages(file->f_mapping, pos >> PAGE_SHIFT,
+ endbyte >> PAGE_SHIFT);
out:
return written ? written : err;
}
#include "inode-map.h"
#include "volumes.h"
-#define BITS_PER_BITMAP (PAGE_CACHE_SIZE * 8)
+#define BITS_PER_BITMAP (PAGE_SIZE * 8)
#define MAX_CACHE_BYTES_PER_GIG SZ_32K
struct btrfs_trim_range {
return -ENOMEM;
file_ra_state_init(ra, inode->i_mapping);
- last_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (i_size_read(inode) - 1) >> PAGE_SHIFT;
page_cache_sync_readahead(inode->i_mapping, ra, NULL, 0, last_index);
int num_pages;
int check_crcs = 0;
- num_pages = DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE);
+ num_pages = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
if (btrfs_ino(inode) != BTRFS_FREE_INO_OBJECTID)
check_crcs = 1;
/* Make sure we can fit our crcs into the first page */
if (write && check_crcs &&
- (num_pages * sizeof(u32)) >= PAGE_CACHE_SIZE)
+ (num_pages * sizeof(u32)) >= PAGE_SIZE)
return -ENOSPC;
memset(io_ctl, 0, sizeof(struct btrfs_io_ctl));
io_ctl->page = io_ctl->pages[io_ctl->index++];
io_ctl->cur = page_address(io_ctl->page);
io_ctl->orig = io_ctl->cur;
- io_ctl->size = PAGE_CACHE_SIZE;
+ io_ctl->size = PAGE_SIZE;
if (clear)
- memset(io_ctl->cur, 0, PAGE_CACHE_SIZE);
+ memset(io_ctl->cur, 0, PAGE_SIZE);
}
static void io_ctl_drop_pages(struct btrfs_io_ctl *io_ctl)
if (io_ctl->pages[i]) {
ClearPageChecked(io_ctl->pages[i]);
unlock_page(io_ctl->pages[i]);
- page_cache_release(io_ctl->pages[i]);
+ put_page(io_ctl->pages[i]);
}
}
}
offset = sizeof(u32) * io_ctl->num_pages;
crc = btrfs_csum_data(io_ctl->orig + offset, crc,
- PAGE_CACHE_SIZE - offset);
+ PAGE_SIZE - offset);
btrfs_csum_final(crc, (char *)&crc);
io_ctl_unmap_page(io_ctl);
tmp = page_address(io_ctl->pages[0]);
io_ctl_map_page(io_ctl, 0);
crc = btrfs_csum_data(io_ctl->orig + offset, crc,
- PAGE_CACHE_SIZE - offset);
+ PAGE_SIZE - offset);
btrfs_csum_final(crc, (char *)&crc);
if (val != crc) {
btrfs_err_rl(io_ctl->root->fs_info,
io_ctl_map_page(io_ctl, 0);
}
- memcpy(io_ctl->cur, bitmap, PAGE_CACHE_SIZE);
+ memcpy(io_ctl->cur, bitmap, PAGE_SIZE);
io_ctl_set_crc(io_ctl, io_ctl->index - 1);
if (io_ctl->index < io_ctl->num_pages)
io_ctl_map_page(io_ctl, 0);
if (ret)
return ret;
- memcpy(entry->bitmap, io_ctl->cur, PAGE_CACHE_SIZE);
+ memcpy(entry->bitmap, io_ctl->cur, PAGE_SIZE);
io_ctl_unmap_page(io_ctl);
return 0;
} else {
ASSERT(num_bitmaps);
num_bitmaps--;
- e->bitmap = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS);
+ e->bitmap = kzalloc(PAGE_SIZE, GFP_NOFS);
if (!e->bitmap) {
kmem_cache_free(
btrfs_free_space_cachep, e);
* sure we don't go over our overall goal of MAX_CACHE_BYTES_PER_GIG as
* we add more bitmaps.
*/
- bitmap_bytes = (ctl->total_bitmaps + 1) * PAGE_CACHE_SIZE;
+ bitmap_bytes = (ctl->total_bitmaps + 1) * PAGE_SIZE;
if (bitmap_bytes >= max_bytes) {
ctl->extents_thresh = 0;
}
/* allocate the bitmap */
- info->bitmap = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS);
+ info->bitmap = kzalloc(PAGE_SIZE, GFP_NOFS);
spin_lock(&ctl->tree_lock);
if (!info->bitmap) {
ret = -ENOMEM;
}
if (!map) {
- map = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS);
+ map = kzalloc(PAGE_SIZE, GFP_NOFS);
if (!map) {
kmem_cache_free(btrfs_free_space_cachep, info);
return -ENOMEM;
}
#define INIT_THRESHOLD ((SZ_32K / 2) / sizeof(struct btrfs_free_space))
-#define INODES_PER_BITMAP (PAGE_CACHE_SIZE * 8)
+#define INODES_PER_BITMAP (PAGE_SIZE * 8)
/*
* The goal is to keep the memory used by the free_ino tree won't
}
ctl->extents_thresh = (max_bitmaps - ctl->total_bitmaps) *
- PAGE_CACHE_SIZE / sizeof(*info);
+ PAGE_SIZE / sizeof(*info);
}
/*
spin_lock(&ctl->tree_lock);
prealloc = sizeof(struct btrfs_free_space) * ctl->free_extents;
- prealloc = ALIGN(prealloc, PAGE_CACHE_SIZE);
- prealloc += ctl->total_bitmaps * PAGE_CACHE_SIZE;
+ prealloc = ALIGN(prealloc, PAGE_SIZE);
+ prealloc += ctl->total_bitmaps * PAGE_SIZE;
spin_unlock(&ctl->tree_lock);
/* Just to make sure we have enough space */
- prealloc += 8 * PAGE_CACHE_SIZE;
+ prealloc += 8 * PAGE_SIZE;
ret = btrfs_delalloc_reserve_space(inode, 0, prealloc);
if (ret)
while (compressed_size > 0) {
cpage = compressed_pages[i];
cur_size = min_t(unsigned long, compressed_size,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
kaddr = kmap_atomic(cpage);
write_extent_buffer(leaf, kaddr, ptr, cur_size);
compress_type);
} else {
page = find_get_page(inode->i_mapping,
- start >> PAGE_CACHE_SHIFT);
+ start >> PAGE_SHIFT);
btrfs_set_file_extent_compression(leaf, ei, 0);
kaddr = kmap_atomic(page);
- offset = start & (PAGE_CACHE_SIZE - 1);
+ offset = start & (PAGE_SIZE - 1);
write_extent_buffer(leaf, kaddr + offset, ptr, size);
kunmap_atomic(kaddr);
- page_cache_release(page);
+ put_page(page);
}
btrfs_mark_buffer_dirty(leaf);
btrfs_release_path(path);
* And at reserve time, it's always aligned to page size, so
* just free one page here.
*/
- btrfs_qgroup_free_data(inode, 0, PAGE_CACHE_SIZE);
+ btrfs_qgroup_free_data(inode, 0, PAGE_SIZE);
btrfs_free_path(path);
btrfs_end_transaction(trans, root);
return ret;
actual_end = min_t(u64, isize, end + 1);
again:
will_compress = 0;
- nr_pages = (end >> PAGE_CACHE_SHIFT) - (start >> PAGE_CACHE_SHIFT) + 1;
- nr_pages = min_t(unsigned long, nr_pages, SZ_128K / PAGE_CACHE_SIZE);
+ nr_pages = (end >> PAGE_SHIFT) - (start >> PAGE_SHIFT) + 1;
+ nr_pages = min_t(unsigned long, nr_pages, SZ_128K / PAGE_SIZE);
/*
* we don't want to send crud past the end of i_size through
if (!ret) {
unsigned long offset = total_compressed &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
struct page *page = pages[nr_pages_ret - 1];
char *kaddr;
if (offset) {
kaddr = kmap_atomic(page);
memset(kaddr + offset, 0,
- PAGE_CACHE_SIZE - offset);
+ PAGE_SIZE - offset);
kunmap_atomic(kaddr);
}
will_compress = 1;
* one last check to make sure the compression is really a
* win, compare the page count read with the blocks on disk
*/
- total_in = ALIGN(total_in, PAGE_CACHE_SIZE);
+ total_in = ALIGN(total_in, PAGE_SIZE);
if (total_compressed >= total_in) {
will_compress = 0;
} else {
*/
for (i = 0; i < nr_pages_ret; i++) {
WARN_ON(pages[i]->mapping);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
kfree(pages);
pages = NULL;
free_pages_out:
for (i = 0; i < nr_pages_ret; i++) {
WARN_ON(pages[i]->mapping);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
kfree(pages);
}
for (i = 0; i < async_extent->nr_pages; i++) {
WARN_ON(async_extent->pages[i]->mapping);
- page_cache_release(async_extent->pages[i]);
+ put_page(async_extent->pages[i]);
}
kfree(async_extent->pages);
async_extent->nr_pages = 0;
PAGE_END_WRITEBACK);
*nr_written = *nr_written +
- (end - start + PAGE_CACHE_SIZE) / PAGE_CACHE_SIZE;
+ (end - start + PAGE_SIZE) / PAGE_SIZE;
*page_started = 1;
goto out;
} else if (ret < 0) {
async_cow = container_of(work, struct async_cow, work);
root = async_cow->root;
- nr_pages = (async_cow->end - async_cow->start + PAGE_CACHE_SIZE) >>
- PAGE_CACHE_SHIFT;
+ nr_pages = (async_cow->end - async_cow->start + PAGE_SIZE) >>
+ PAGE_SHIFT;
/*
* atomic_sub_return implies a barrier for waitqueue_active
async_cow_start, async_cow_submit,
async_cow_free);
- nr_pages = (cur_end - start + PAGE_CACHE_SIZE) >>
- PAGE_CACHE_SHIFT;
+ nr_pages = (cur_end - start + PAGE_SIZE) >>
+ PAGE_SHIFT;
atomic_add(nr_pages, &root->fs_info->async_delalloc_pages);
btrfs_queue_work(root->fs_info->delalloc_workers,
int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
struct extent_state **cached_state)
{
- WARN_ON((end & (PAGE_CACHE_SIZE - 1)) == 0);
+ WARN_ON((end & (PAGE_SIZE - 1)) == 0);
return set_extent_delalloc(&BTRFS_I(inode)->io_tree, start, end,
cached_state, GFP_NOFS);
}
inode = page->mapping->host;
page_start = page_offset(page);
- page_end = page_offset(page) + PAGE_CACHE_SIZE - 1;
+ page_end = page_offset(page) + PAGE_SIZE - 1;
lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,
&cached_state);
goto out;
ordered = btrfs_lookup_ordered_range(inode, page_start,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (ordered) {
unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,
page_end, &cached_state, GFP_NOFS);
}
ret = btrfs_delalloc_reserve_space(inode, page_start,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (ret) {
mapping_set_error(page->mapping, ret);
end_extent_writepage(page, ret, page_start, page_end);
&cached_state, GFP_NOFS);
out_page:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
kfree(fixup);
}
return -EAGAIN;
SetPageChecked(page);
- page_cache_get(page);
+ get_page(page);
btrfs_init_work(&fixup->work, btrfs_fixup_helper,
btrfs_writepage_fixup_worker, NULL, NULL);
fixup->page = page;
if (btrfs_file_extent_compression(leaf, fi) != BTRFS_COMPRESS_NONE) {
loff_t offset = new_size;
- loff_t page_end = ALIGN(offset, PAGE_CACHE_SIZE);
+ loff_t page_end = ALIGN(offset, PAGE_SIZE);
/*
* Zero out the remaining of the last page of our inline extent,
struct extent_state *cached_state = NULL;
char *kaddr;
u32 blocksize = root->sectorsize;
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
+ pgoff_t index = from >> PAGE_SHIFT;
unsigned offset = from & (blocksize - 1);
struct page *page;
gfp_t mask = btrfs_alloc_write_mask(mapping);
lock_page(page);
if (page->mapping != mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto again;
}
if (!PageUptodate(page)) {
unlock_extent_cached(io_tree, block_start, block_end,
&cached_state, GFP_NOFS);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
btrfs_start_ordered_extent(inode, ordered, 1);
btrfs_put_ordered_extent(ordered);
goto again;
btrfs_delalloc_release_space(inode, block_start,
blocksize);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
return ret;
}
read_extent_buffer(leaf, tmp, ptr, inline_size);
- max_size = min_t(unsigned long, PAGE_CACHE_SIZE, max_size);
+ max_size = min_t(unsigned long, PAGE_SIZE, max_size);
ret = btrfs_decompress(compress_type, tmp, page,
extent_offset, inline_size, max_size);
kfree(tmp);
size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);
extent_offset = page_offset(page) + pg_offset - extent_start;
- copy_size = min_t(u64, PAGE_CACHE_SIZE - pg_offset,
- size - extent_offset);
+ copy_size = min_t(u64, PAGE_SIZE - pg_offset,
+ size - extent_offset);
em->start = extent_start + extent_offset;
em->len = ALIGN(copy_size, root->sectorsize);
em->orig_block_len = em->len;
map = kmap(page);
read_extent_buffer(leaf, map + pg_offset, ptr,
copy_size);
- if (pg_offset + copy_size < PAGE_CACHE_SIZE) {
+ if (pg_offset + copy_size < PAGE_SIZE) {
memset(map + pg_offset + copy_size, 0,
- PAGE_CACHE_SIZE - pg_offset -
+ PAGE_SIZE - pg_offset -
copy_size);
}
kunmap(page);
int start_idx;
int end_idx;
- start_idx = start >> PAGE_CACHE_SHIFT;
+ start_idx = start >> PAGE_SHIFT;
/*
* end is the last byte in the last page. end == start is legal
*/
- end_idx = end >> PAGE_CACHE_SHIFT;
+ end_idx = end >> PAGE_SHIFT;
rcu_read_lock();
* include/linux/pagemap.h for details.
*/
if (unlikely(page != *pagep)) {
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
}
if (page) {
if (page->index <= end_idx)
found = true;
- page_cache_release(page);
+ put_page(page);
}
rcu_read_unlock();
if (ret == 1) {
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
return ret;
}
struct btrfs_ordered_extent *ordered;
struct extent_state *cached_state = NULL;
u64 page_start = page_offset(page);
- u64 page_end = page_start + PAGE_CACHE_SIZE - 1;
+ u64 page_end = page_start + PAGE_SIZE - 1;
u64 start;
u64 end;
int inode_evicting = inode->i_state & I_FREEING;
* 2) Not written to disk
* This means the reserved space should be freed here.
*/
- btrfs_qgroup_free_data(inode, page_start, PAGE_CACHE_SIZE);
+ btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE);
if (!inode_evicting) {
clear_extent_bit(tree, page_start, page_end,
EXTENT_LOCKED | EXTENT_DIRTY |
if (PagePrivate(page)) {
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
}
u64 page_end;
u64 end;
- reserved_space = PAGE_CACHE_SIZE;
+ reserved_space = PAGE_SIZE;
sb_start_pagefault(inode->i_sb);
page_start = page_offset(page);
- page_end = page_start + PAGE_CACHE_SIZE - 1;
+ page_end = page_start + PAGE_SIZE - 1;
end = page_end;
/*
goto again;
}
- if (page->index == ((size - 1) >> PAGE_CACHE_SHIFT)) {
+ if (page->index == ((size - 1) >> PAGE_SHIFT)) {
reserved_space = round_up(size - page_start, root->sectorsize);
- if (reserved_space < PAGE_CACHE_SIZE) {
+ if (reserved_space < PAGE_SIZE) {
end = page_start + reserved_space - 1;
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->outstanding_extents++;
spin_unlock(&BTRFS_I(inode)->lock);
btrfs_delalloc_release_space(inode, page_start,
- PAGE_CACHE_SIZE - reserved_space);
+ PAGE_SIZE - reserved_space);
}
}
ret = 0;
/* page is wholly or partially inside EOF */
- if (page_start + PAGE_CACHE_SIZE > size)
- zero_start = size & ~PAGE_CACHE_MASK;
+ if (page_start + PAGE_SIZE > size)
+ zero_start = size & ~PAGE_MASK;
else
- zero_start = PAGE_CACHE_SIZE;
+ zero_start = PAGE_SIZE;
- if (zero_start != PAGE_CACHE_SIZE) {
+ if (zero_start != PAGE_SIZE) {
kaddr = kmap(page);
- memset(kaddr + zero_start, 0, PAGE_CACHE_SIZE - zero_start);
+ memset(kaddr + zero_start, 0, PAGE_SIZE - zero_start);
flush_dcache_page(page);
kunmap(page);
}
u64 end;
read_lock(&em_tree->lock);
- em = lookup_extent_mapping(em_tree, offset, PAGE_CACHE_SIZE);
+ em = lookup_extent_mapping(em_tree, offset, PAGE_SIZE);
read_unlock(&em_tree->lock);
if (em) {
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
struct extent_map *em;
- u64 len = PAGE_CACHE_SIZE;
+ u64 len = PAGE_SIZE;
/*
* hopefully we have this extent in the tree already, try without
struct extent_io_tree *tree;
gfp_t mask = btrfs_alloc_write_mask(inode->i_mapping);
- file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
+ file_end = (isize - 1) >> PAGE_SHIFT;
if (!isize || start_index > file_end)
return 0;
page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1);
ret = btrfs_delalloc_reserve_space(inode,
- start_index << PAGE_CACHE_SHIFT,
- page_cnt << PAGE_CACHE_SHIFT);
+ start_index << PAGE_SHIFT,
+ page_cnt << PAGE_SHIFT);
if (ret)
return ret;
i_done = 0;
break;
page_start = page_offset(page);
- page_end = page_start + PAGE_CACHE_SIZE - 1;
+ page_end = page_start + PAGE_SIZE - 1;
while (1) {
lock_extent_bits(tree, page_start, page_end,
&cached_state);
*/
if (page->mapping != inode->i_mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto again;
}
}
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ret = -EIO;
break;
}
if (page->mapping != inode->i_mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto again;
}
wait_on_page_writeback(pages[i]);
page_start = page_offset(pages[0]);
- page_end = page_offset(pages[i_done - 1]) + PAGE_CACHE_SIZE;
+ page_end = page_offset(pages[i_done - 1]) + PAGE_SIZE;
lock_extent_bits(&BTRFS_I(inode)->io_tree,
page_start, page_end - 1, &cached_state);
BTRFS_I(inode)->outstanding_extents++;
spin_unlock(&BTRFS_I(inode)->lock);
btrfs_delalloc_release_space(inode,
- start_index << PAGE_CACHE_SHIFT,
- (page_cnt - i_done) << PAGE_CACHE_SHIFT);
+ start_index << PAGE_SHIFT,
+ (page_cnt - i_done) << PAGE_SHIFT);
}
set_page_extent_mapped(pages[i]);
set_page_dirty(pages[i]);
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
return i_done;
out:
for (i = 0; i < i_done; i++) {
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
btrfs_delalloc_release_space(inode,
- start_index << PAGE_CACHE_SHIFT,
- page_cnt << PAGE_CACHE_SHIFT);
+ start_index << PAGE_SHIFT,
+ page_cnt << PAGE_SHIFT);
return ret;
}
int defrag_count = 0;
int compress_type = BTRFS_COMPRESS_ZLIB;
u32 extent_thresh = range->extent_thresh;
- unsigned long max_cluster = SZ_256K >> PAGE_CACHE_SHIFT;
+ unsigned long max_cluster = SZ_256K >> PAGE_SHIFT;
unsigned long cluster = max_cluster;
u64 new_align = ~((u64)SZ_128K - 1);
struct page **pages = NULL;
/* find the last page to defrag */
if (range->start + range->len > range->start) {
last_index = min_t(u64, isize - 1,
- range->start + range->len - 1) >> PAGE_CACHE_SHIFT;
+ range->start + range->len - 1) >> PAGE_SHIFT;
} else {
- last_index = (isize - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (isize - 1) >> PAGE_SHIFT;
}
if (newer_than) {
* we always align our defrag to help keep
* the extents in the file evenly spaced
*/
- i = (newer_off & new_align) >> PAGE_CACHE_SHIFT;
+ i = (newer_off & new_align) >> PAGE_SHIFT;
} else
goto out_ra;
} else {
- i = range->start >> PAGE_CACHE_SHIFT;
+ i = range->start >> PAGE_SHIFT;
}
if (!max_to_defrag)
max_to_defrag = last_index - i + 1;
inode->i_mapping->writeback_index = i;
while (i <= last_index && defrag_count < max_to_defrag &&
- (i < DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE))) {
+ (i < DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE))) {
/*
* make sure we stop running if someone unmounts
* the FS
break;
}
- if (!should_defrag_range(inode, (u64)i << PAGE_CACHE_SHIFT,
+ if (!should_defrag_range(inode, (u64)i << PAGE_SHIFT,
extent_thresh, &last_len, &skip,
&defrag_end, range->flags &
BTRFS_DEFRAG_RANGE_COMPRESS)) {
* the should_defrag function tells us how much to skip
* bump our counter by the suggested amount
*/
- next = DIV_ROUND_UP(skip, PAGE_CACHE_SIZE);
+ next = DIV_ROUND_UP(skip, PAGE_SIZE);
i = max(i + 1, next);
continue;
}
if (!newer_than) {
- cluster = (PAGE_CACHE_ALIGN(defrag_end) >>
- PAGE_CACHE_SHIFT) - i;
+ cluster = (PAGE_ALIGN(defrag_end) >>
+ PAGE_SHIFT) - i;
cluster = min(cluster, max_cluster);
} else {
cluster = max_cluster;
i += ret;
newer_off = max(newer_off + 1,
- (u64)i << PAGE_CACHE_SHIFT);
+ (u64)i << PAGE_SHIFT);
ret = find_new_extents(root, inode, newer_than,
&newer_off, SZ_64K);
if (!ret) {
range->start = newer_off;
- i = (newer_off & new_align) >> PAGE_CACHE_SHIFT;
+ i = (newer_off & new_align) >> PAGE_SHIFT;
} else {
break;
}
} else {
if (ret > 0) {
i += ret;
- last_len += ret << PAGE_CACHE_SHIFT;
+ last_len += ret << PAGE_SHIFT;
} else {
i++;
last_len = 0;
if (vol_args->flags & BTRFS_SUBVOL_RDONLY)
readonly = true;
if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
- if (vol_args->size > PAGE_CACHE_SIZE) {
+ if (vol_args->size > PAGE_SIZE) {
ret = -EINVAL;
goto free_args;
}
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ERR_PTR(-EIO);
}
if (page->mapping != inode->i_mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ERR_PTR(-EAGAIN);
}
}
int num_pages, u64 off)
{
int i;
- pgoff_t index = off >> PAGE_CACHE_SHIFT;
+ pgoff_t index = off >> PAGE_SHIFT;
for (i = 0; i < num_pages; i++) {
again:
pg = cmp->src_pages[i];
if (pg) {
unlock_page(pg);
- page_cache_release(pg);
+ put_page(pg);
}
pg = cmp->dst_pages[i];
if (pg) {
unlock_page(pg);
- page_cache_release(pg);
+ put_page(pg);
}
}
kfree(cmp->src_pages);
u64 len, struct cmp_pages *cmp)
{
int ret;
- int num_pages = PAGE_CACHE_ALIGN(len) >> PAGE_CACHE_SHIFT;
+ int num_pages = PAGE_ALIGN(len) >> PAGE_SHIFT;
struct page **src_pgarr, **dst_pgarr;
/*
int ret = 0;
int i;
struct page *src_page, *dst_page;
- unsigned int cmp_len = PAGE_CACHE_SIZE;
+ unsigned int cmp_len = PAGE_SIZE;
void *addr, *dst_addr;
i = 0;
while (len) {
- if (len < PAGE_CACHE_SIZE)
+ if (len < PAGE_SIZE)
cmp_len = len;
BUG_ON(i >= cmp->num_pages);
if (olen > BTRFS_MAX_DEDUPE_LEN)
olen = BTRFS_MAX_DEDUPE_LEN;
- if (WARN_ON_ONCE(bs < PAGE_CACHE_SIZE)) {
+ if (WARN_ON_ONCE(bs < PAGE_SIZE)) {
/*
* Btrfs does not support blocksize < page_size. As a
* result, btrfs_cmp_data() won't correctly handle
* data immediately and not the previous data.
*/
truncate_inode_pages_range(&inode->i_data,
- round_down(destoff, PAGE_CACHE_SIZE),
- round_up(destoff + len, PAGE_CACHE_SIZE) - 1);
+ round_down(destoff, PAGE_SIZE),
+ round_up(destoff + len, PAGE_SIZE) - 1);
out_unlock:
if (!same_inode)
btrfs_double_inode_unlock(src, inode);
/* we generally have at most 6 or so space infos, one for each raid
* level. So, a whole page should be more than enough for everyone
*/
- if (alloc_size > PAGE_CACHE_SIZE)
+ if (alloc_size > PAGE_SIZE)
return -ENOMEM;
space_args.total_spaces = 0;
return ERR_PTR(-ENOMEM);
workspace->mem = vmalloc(LZO1X_MEM_COMPRESS);
- workspace->buf = vmalloc(lzo1x_worst_compress(PAGE_CACHE_SIZE));
- workspace->cbuf = vmalloc(lzo1x_worst_compress(PAGE_CACHE_SIZE));
+ workspace->buf = vmalloc(lzo1x_worst_compress(PAGE_SIZE));
+ workspace->cbuf = vmalloc(lzo1x_worst_compress(PAGE_SIZE));
if (!workspace->mem || !workspace->buf || !workspace->cbuf)
goto fail;
*total_out = 0;
*total_in = 0;
- in_page = find_get_page(mapping, start >> PAGE_CACHE_SHIFT);
+ in_page = find_get_page(mapping, start >> PAGE_SHIFT);
data_in = kmap(in_page);
/*
tot_out = LZO_LEN;
pages[0] = out_page;
nr_pages = 1;
- pg_bytes_left = PAGE_CACHE_SIZE - LZO_LEN;
+ pg_bytes_left = PAGE_SIZE - LZO_LEN;
/* compress at most one page of data each time */
- in_len = min(len, PAGE_CACHE_SIZE);
+ in_len = min(len, PAGE_SIZE);
while (tot_in < len) {
ret = lzo1x_1_compress(data_in, in_len, workspace->cbuf,
&out_len, workspace->mem);
cpage_out = kmap(out_page);
pages[nr_pages++] = out_page;
- pg_bytes_left = PAGE_CACHE_SIZE;
+ pg_bytes_left = PAGE_SIZE;
out_offset = 0;
}
}
bytes_left = len - tot_in;
kunmap(in_page);
- page_cache_release(in_page);
+ put_page(in_page);
- start += PAGE_CACHE_SIZE;
- in_page = find_get_page(mapping, start >> PAGE_CACHE_SHIFT);
+ start += PAGE_SIZE;
+ in_page = find_get_page(mapping, start >> PAGE_SHIFT);
data_in = kmap(in_page);
- in_len = min(bytes_left, PAGE_CACHE_SIZE);
+ in_len = min(bytes_left, PAGE_SIZE);
}
if (tot_out > tot_in)
if (in_page) {
kunmap(in_page);
- page_cache_release(in_page);
+ put_page(in_page);
}
return ret;
char *data_in;
unsigned long page_in_index = 0;
unsigned long page_out_index = 0;
- unsigned long total_pages_in = DIV_ROUND_UP(srclen, PAGE_CACHE_SIZE);
+ unsigned long total_pages_in = DIV_ROUND_UP(srclen, PAGE_SIZE);
unsigned long buf_start;
unsigned long buf_offset = 0;
unsigned long bytes;
tot_in = LZO_LEN;
in_offset = LZO_LEN;
tot_len = min_t(size_t, srclen, tot_len);
- in_page_bytes_left = PAGE_CACHE_SIZE - LZO_LEN;
+ in_page_bytes_left = PAGE_SIZE - LZO_LEN;
tot_out = 0;
pg_offset = 0;
data_in = kmap(pages_in[++page_in_index]);
- in_page_bytes_left = PAGE_CACHE_SIZE;
+ in_page_bytes_left = PAGE_SIZE;
in_offset = 0;
}
}
- out_len = lzo1x_worst_compress(PAGE_CACHE_SIZE);
+ out_len = lzo1x_worst_compress(PAGE_SIZE);
ret = lzo1x_decompress_safe(buf, in_len, workspace->buf,
&out_len);
if (need_unmap)
in_len = read_compress_length(data_in);
data_in += LZO_LEN;
- out_len = PAGE_CACHE_SIZE;
+ out_len = PAGE_SIZE;
ret = lzo1x_decompress_safe(data_in, in_len, workspace->buf, &out_len);
if (ret != LZO_E_OK) {
printk(KERN_WARNING "BTRFS: decompress failed!\n");
s = kmap(rbio->bio_pages[i]);
d = kmap(rbio->stripe_pages[i]);
- memcpy(d, s, PAGE_CACHE_SIZE);
+ memcpy(d, s, PAGE_SIZE);
kunmap(rbio->bio_pages[i]);
kunmap(rbio->stripe_pages[i]);
*/
static unsigned long rbio_nr_pages(unsigned long stripe_len, int nr_stripes)
{
- return DIV_ROUND_UP(stripe_len, PAGE_CACHE_SIZE) * nr_stripes;
+ return DIV_ROUND_UP(stripe_len, PAGE_SIZE) * nr_stripes;
}
/*
u64 disk_start;
stripe = &rbio->bbio->stripes[stripe_nr];
- disk_start = stripe->physical + (page_index << PAGE_CACHE_SHIFT);
+ disk_start = stripe->physical + (page_index << PAGE_SHIFT);
/* if the device is missing, just fail this stripe */
if (!stripe->dev->bdev)
if (last_end == disk_start && stripe->dev->bdev &&
!last->bi_error &&
last->bi_bdev == stripe->dev->bdev) {
- ret = bio_add_page(last, page, PAGE_CACHE_SIZE, 0);
- if (ret == PAGE_CACHE_SIZE)
+ ret = bio_add_page(last, page, PAGE_SIZE, 0);
+ if (ret == PAGE_SIZE)
return 0;
}
}
bio->bi_bdev = stripe->dev->bdev;
bio->bi_iter.bi_sector = disk_start >> 9;
- bio_add_page(bio, page, PAGE_CACHE_SIZE, 0);
+ bio_add_page(bio, page, PAGE_SIZE, 0);
bio_list_add(bio_list, bio);
return 0;
}
bio_list_for_each(bio, &rbio->bio_list) {
start = (u64)bio->bi_iter.bi_sector << 9;
stripe_offset = start - rbio->bbio->raid_map[0];
- page_index = stripe_offset >> PAGE_CACHE_SHIFT;
+ page_index = stripe_offset >> PAGE_SHIFT;
for (i = 0; i < bio->bi_vcnt; i++) {
p = bio->bi_io_vec[i].bv_page;
} else {
/* raid5 */
memcpy(pointers[nr_data], pointers[0], PAGE_SIZE);
- run_xor(pointers + 1, nr_data - 1, PAGE_CACHE_SIZE);
+ run_xor(pointers + 1, nr_data - 1, PAGE_SIZE);
}
/* Copy parity block into failed block to start with */
memcpy(pointers[faila],
pointers[rbio->nr_data],
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
/* rearrange the pointer array */
p = pointers[faila];
pointers[rbio->nr_data - 1] = p;
/* xor in the rest */
- run_xor(pointers, rbio->nr_data - 1, PAGE_CACHE_SIZE);
+ run_xor(pointers, rbio->nr_data - 1, PAGE_SIZE);
}
/* if we're doing this rebuild as part of an rmw, go through
* and set all of our private rbio pages in the
ASSERT(logical + PAGE_SIZE <= rbio->bbio->raid_map[0] +
rbio->stripe_len * rbio->nr_data);
stripe_offset = (int)(logical - rbio->bbio->raid_map[0]);
- index = stripe_offset >> PAGE_CACHE_SHIFT;
+ index = stripe_offset >> PAGE_SHIFT;
rbio->bio_pages[index] = page;
}
} else {
/* raid5 */
memcpy(pointers[nr_data], pointers[0], PAGE_SIZE);
- run_xor(pointers + 1, nr_data - 1, PAGE_CACHE_SIZE);
+ run_xor(pointers + 1, nr_data - 1, PAGE_SIZE);
}
/* Check scrubbing pairty and repair it */
p = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
parity = kmap(p);
- if (memcmp(parity, pointers[rbio->scrubp], PAGE_CACHE_SIZE))
- memcpy(parity, pointers[rbio->scrubp], PAGE_CACHE_SIZE);
+ if (memcmp(parity, pointers[rbio->scrubp], PAGE_SIZE))
+ memcpy(parity, pointers[rbio->scrubp], PAGE_SIZE);
else
/* Parity is right, needn't writeback */
bitmap_clear(rbio->dbitmap, pagenr, 1);
/* find extent */
spin_lock(&fs_info->reada_lock);
re = radix_tree_lookup(&fs_info->reada_tree,
- start >> PAGE_CACHE_SHIFT);
+ start >> PAGE_SHIFT);
if (re)
re->refcnt++;
spin_unlock(&fs_info->reada_lock);
zone = NULL;
spin_lock(&fs_info->reada_lock);
ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone,
- logical >> PAGE_CACHE_SHIFT, 1);
+ logical >> PAGE_SHIFT, 1);
if (ret == 1 && logical >= zone->start && logical <= zone->end) {
kref_get(&zone->refcnt);
spin_unlock(&fs_info->reada_lock);
spin_lock(&fs_info->reada_lock);
ret = radix_tree_insert(&dev->reada_zones,
- (unsigned long)(zone->end >> PAGE_CACHE_SHIFT),
+ (unsigned long)(zone->end >> PAGE_SHIFT),
zone);
if (ret == -EEXIST) {
kfree(zone);
ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone,
- logical >> PAGE_CACHE_SHIFT, 1);
+ logical >> PAGE_SHIFT, 1);
if (ret == 1 && logical >= zone->start && logical <= zone->end)
kref_get(&zone->refcnt);
else
u64 length;
int real_stripes;
int nzones = 0;
- unsigned long index = logical >> PAGE_CACHE_SHIFT;
+ unsigned long index = logical >> PAGE_SHIFT;
int dev_replace_is_ongoing;
int have_zone = 0;
struct reada_extent *re)
{
int i;
- unsigned long index = re->logical >> PAGE_CACHE_SHIFT;
+ unsigned long index = re->logical >> PAGE_SHIFT;
spin_lock(&fs_info->reada_lock);
if (--re->refcnt) {
struct reada_zone *zone = container_of(kref, struct reada_zone, refcnt);
radix_tree_delete(&zone->device->reada_zones,
- zone->end >> PAGE_CACHE_SHIFT);
+ zone->end >> PAGE_SHIFT);
kfree(zone);
}
static void reada_peer_zones_set_lock(struct reada_zone *zone, int lock)
{
int i;
- unsigned long index = zone->end >> PAGE_CACHE_SHIFT;
+ unsigned long index = zone->end >> PAGE_SHIFT;
for (i = 0; i < zone->ndevs; ++i) {
struct reada_zone *peer;
(void **)&zone, index, 1);
if (ret == 0)
break;
- index = (zone->end >> PAGE_CACHE_SHIFT) + 1;
+ index = (zone->end >> PAGE_SHIFT) + 1;
if (zone->locked) {
if (zone->elems > top_locked_elems) {
top_locked_elems = zone->elems;
* plugging to speed things up
*/
ret = radix_tree_gang_lookup(&dev->reada_extents, (void **)&re,
- dev->reada_next >> PAGE_CACHE_SHIFT, 1);
+ dev->reada_next >> PAGE_SHIFT, 1);
if (ret == 0 || re->logical > dev->reada_curr_zone->end) {
ret = reada_pick_zone(dev);
if (!ret) {
}
re = NULL;
ret = radix_tree_gang_lookup(&dev->reada_extents, (void **)&re,
- dev->reada_next >> PAGE_CACHE_SHIFT, 1);
+ dev->reada_next >> PAGE_SHIFT, 1);
}
if (ret == 0) {
spin_unlock(&fs_info->reada_lock);
printk(KERN_CONT " curr off %llu",
device->reada_next - zone->start);
printk(KERN_CONT "\n");
- index = (zone->end >> PAGE_CACHE_SHIFT) + 1;
+ index = (zone->end >> PAGE_SHIFT) + 1;
}
cnt = 0;
index = 0;
}
}
printk(KERN_CONT "\n");
- index = (re->logical >> PAGE_CACHE_SHIFT) + 1;
+ index = (re->logical >> PAGE_SHIFT) + 1;
if (++cnt > 15)
break;
}
if (ret == 0)
break;
if (!re->scheduled) {
- index = (re->logical >> PAGE_CACHE_SHIFT) + 1;
+ index = (re->logical >> PAGE_SHIFT) + 1;
continue;
}
printk(KERN_DEBUG
}
}
printk(KERN_CONT "\n");
- index = (re->logical >> PAGE_CACHE_SHIFT) + 1;
+ index = (re->logical >> PAGE_SHIFT) + 1;
}
spin_unlock(&fs_info->reada_lock);
}
if (ret)
goto out;
- index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
- last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
+ index = (cluster->start - offset) >> PAGE_SHIFT;
+ last_index = (cluster->end - offset) >> PAGE_SHIFT;
while (index <= last_index) {
- ret = btrfs_delalloc_reserve_metadata(inode, PAGE_CACHE_SIZE);
+ ret = btrfs_delalloc_reserve_metadata(inode, PAGE_SIZE);
if (ret)
goto out;
mask);
if (!page) {
btrfs_delalloc_release_metadata(inode,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
ret = -ENOMEM;
goto out;
}
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
btrfs_delalloc_release_metadata(inode,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
ret = -EIO;
goto out;
}
}
page_start = page_offset(page);
- page_end = page_start + PAGE_CACHE_SIZE - 1;
+ page_end = page_start + PAGE_SIZE - 1;
lock_extent(&BTRFS_I(inode)->io_tree, page_start, page_end);
unlock_extent(&BTRFS_I(inode)->io_tree,
page_start, page_end);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
index++;
balance_dirty_pages_ratelimited(inode->i_mapping);
if (IS_ERR(inode))
return PTR_ERR(inode);
- index = offset >> PAGE_CACHE_SHIFT;
+ index = offset >> PAGE_SHIFT;
page = find_or_create_page(inode->i_mapping, index, GFP_NOFS);
if (!page) {
if (spage->io_error) {
void *mapped_buffer = kmap_atomic(spage->page);
- memset(mapped_buffer, 0, PAGE_CACHE_SIZE);
+ memset(mapped_buffer, 0, PAGE_SIZE);
flush_dcache_page(spage->page);
kunmap_atomic(mapped_buffer);
}
goto out;
}
- while (len >= PAGE_CACHE_SIZE) {
- index = offset >> PAGE_CACHE_SHIFT;
+ while (len >= PAGE_SIZE) {
+ index = offset >> PAGE_SHIFT;
again:
page = find_or_create_page(inode->i_mapping, index, GFP_NOFS);
if (!page) {
*/
if (page->mapping != inode->i_mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto again;
}
if (!PageUptodate(page)) {
ret = err;
next_page:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (ret)
break;
- offset += PAGE_CACHE_SIZE;
- physical_for_dev_replace += PAGE_CACHE_SIZE;
- nocow_ctx_logical += PAGE_CACHE_SIZE;
- len -= PAGE_CACHE_SIZE;
+ offset += PAGE_SIZE;
+ physical_for_dev_replace += PAGE_SIZE;
+ nocow_ctx_logical += PAGE_SIZE;
+ len -= PAGE_SIZE;
}
ret = COPY_COMPLETE;
out:
bio->bi_iter.bi_size = 0;
bio->bi_iter.bi_sector = physical_for_dev_replace >> 9;
bio->bi_bdev = dev->bdev;
- ret = bio_add_page(bio, page, PAGE_CACHE_SIZE, 0);
- if (ret != PAGE_CACHE_SIZE) {
+ ret = bio_add_page(bio, page, PAGE_SIZE, 0);
+ if (ret != PAGE_SIZE) {
leave_with_eio:
bio_put(bio);
btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_WRITE_ERRS);
struct page *page;
char *addr;
struct btrfs_key key;
- pgoff_t index = offset >> PAGE_CACHE_SHIFT;
+ pgoff_t index = offset >> PAGE_SHIFT;
pgoff_t last_index;
- unsigned pg_offset = offset & ~PAGE_CACHE_MASK;
+ unsigned pg_offset = offset & ~PAGE_MASK;
ssize_t ret = 0;
key.objectid = sctx->cur_ino;
if (len == 0)
goto out;
- last_index = (offset + len - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (offset + len - 1) >> PAGE_SHIFT;
/* initial readahead */
memset(&sctx->ra, 0, sizeof(struct file_ra_state));
while (index <= last_index) {
unsigned cur_len = min_t(unsigned, len,
- PAGE_CACHE_SIZE - pg_offset);
+ PAGE_SIZE - pg_offset);
page = find_or_create_page(inode->i_mapping, index, GFP_KERNEL);
if (!page) {
ret = -ENOMEM;
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ret = -EIO;
break;
}
memcpy(sctx->read_buf + ret, addr + pg_offset, cur_len);
kunmap(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
index++;
pg_offset = 0;
len -= cur_len;
type = btrfs_file_extent_type(leaf, ei);
if (type == BTRFS_FILE_EXTENT_INLINE) {
ext_len = btrfs_file_extent_inline_len(leaf, slot, ei);
- ext_len = PAGE_CACHE_ALIGN(ext_len);
+ ext_len = PAGE_ALIGN(ext_len);
} else {
ext_len = btrfs_file_extent_num_bytes(leaf, ei);
}
* but there may be items after this page. Make
* sure to send the whole thing
*/
- len = PAGE_CACHE_ALIGN(len);
+ len = PAGE_ALIGN(len);
} else {
len = btrfs_file_extent_num_bytes(path->nodes[0], ei);
}
{
int ret;
struct page *pages[16];
- unsigned long index = start >> PAGE_CACHE_SHIFT;
- unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long index = start >> PAGE_SHIFT;
+ unsigned long end_index = end >> PAGE_SHIFT;
unsigned long nr_pages = end_index - index + 1;
int i;
int count = 0;
count++;
if (flags & PROCESS_UNLOCK && PageLocked(pages[i]))
unlock_page(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
if (flags & PROCESS_RELEASE)
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
nr_pages -= ret;
index += ret;
* everything to make sure our pages don't get evicted and screw up our
* test.
*/
- for (index = 0; index < (total_dirty >> PAGE_CACHE_SHIFT); index++) {
+ for (index = 0; index < (total_dirty >> PAGE_SHIFT); index++) {
page = find_or_create_page(inode->i_mapping, index, GFP_KERNEL);
if (!page) {
test_msg("Failed to allocate test page\n");
if (index) {
unlock_page(page);
} else {
- page_cache_get(page);
+ get_page(page);
locked_page = page;
}
}
}
unlock_extent(&tmp, start, end);
unlock_page(locked_page);
- page_cache_release(locked_page);
+ put_page(locked_page);
/*
* Test this scenario
*/
test_start = SZ_64M;
locked_page = find_lock_page(inode->i_mapping,
- test_start >> PAGE_CACHE_SHIFT);
+ test_start >> PAGE_SHIFT);
if (!locked_page) {
test_msg("Couldn't find the locked page\n");
goto out_bits;
}
unlock_extent(&tmp, start, end);
/* locked_page was unlocked above */
- page_cache_release(locked_page);
+ put_page(locked_page);
/*
* Test this scenario
*/
test_start = max_bytes + 4096;
locked_page = find_lock_page(inode->i_mapping, test_start >>
- PAGE_CACHE_SHIFT);
+ PAGE_SHIFT);
if (!locked_page) {
test_msg("Could'nt find the locked page\n");
goto out_bits;
* range we want to find.
*/
page = find_get_page(inode->i_mapping,
- (max_bytes + SZ_1M) >> PAGE_CACHE_SHIFT);
+ (max_bytes + SZ_1M) >> PAGE_SHIFT);
if (!page) {
test_msg("Couldn't find our page\n");
goto out_bits;
}
ClearPageDirty(page);
- page_cache_release(page);
+ put_page(page);
/* We unlocked it in the previous test */
lock_page(locked_page);
test_msg("Didn't find our range\n");
goto out_bits;
}
- if (start != test_start && end != test_start + PAGE_CACHE_SIZE - 1) {
+ if (start != test_start && end != test_start + PAGE_SIZE - 1) {
test_msg("Expected start %Lu end %Lu, got start %Lu end %Lu\n",
- test_start, test_start + PAGE_CACHE_SIZE - 1, start,
+ test_start, test_start + PAGE_SIZE - 1, start,
end);
goto out_bits;
}
clear_extent_bits(&tmp, 0, total_dirty - 1, (unsigned)-1, GFP_KERNEL);
out:
if (locked_page)
- page_cache_release(locked_page);
+ put_page(locked_page);
process_page_range(inode, 0, total_dirty - 1,
PROCESS_UNLOCK | PROCESS_RELEASE);
iput(inode);
return -EINVAL;
}
- bitmap_set(bitmap, (PAGE_CACHE_SIZE - sizeof(long) / 2) * BITS_PER_BYTE,
+ bitmap_set(bitmap, (PAGE_SIZE - sizeof(long) / 2) * BITS_PER_BYTE,
sizeof(long) * BITS_PER_BYTE);
- extent_buffer_bitmap_set(eb, PAGE_CACHE_SIZE - sizeof(long) / 2, 0,
+ extent_buffer_bitmap_set(eb, PAGE_SIZE - sizeof(long) / 2, 0,
sizeof(long) * BITS_PER_BYTE);
if (memcmp_extent_buffer(eb, bitmap, 0, len) != 0) {
test_msg("Setting straddling pages failed\n");
bitmap_set(bitmap, 0, len * BITS_PER_BYTE);
bitmap_clear(bitmap,
- (PAGE_CACHE_SIZE - sizeof(long) / 2) * BITS_PER_BYTE,
+ (PAGE_SIZE - sizeof(long) / 2) * BITS_PER_BYTE,
sizeof(long) * BITS_PER_BYTE);
extent_buffer_bitmap_set(eb, 0, 0, len * BITS_PER_BYTE);
- extent_buffer_bitmap_clear(eb, PAGE_CACHE_SIZE - sizeof(long) / 2, 0,
+ extent_buffer_bitmap_clear(eb, PAGE_SIZE - sizeof(long) / 2, 0,
sizeof(long) * BITS_PER_BYTE);
if (memcmp_extent_buffer(eb, bitmap, 0, len) != 0) {
test_msg("Clearing straddling pages failed\n");
static int test_eb_bitmaps(void)
{
- unsigned long len = PAGE_CACHE_SIZE * 4;
+ unsigned long len = PAGE_SIZE * 4;
unsigned long *bitmap;
struct extent_buffer *eb;
int ret;
/* Do it over again with an extent buffer which isn't page-aligned. */
free_extent_buffer(eb);
- eb = __alloc_dummy_extent_buffer(NULL, PAGE_CACHE_SIZE / 2, len);
+ eb = __alloc_dummy_extent_buffer(NULL, PAGE_SIZE / 2, len);
if (!eb) {
test_msg("Couldn't allocate test extent buffer\n");
kfree(bitmap);
#include "../disk-io.h"
#include "../free-space-cache.h"
-#define BITS_PER_BITMAP (PAGE_CACHE_SIZE * 8)
+#define BITS_PER_BITMAP (PAGE_SIZE * 8)
/*
* This test just does basic sanity checking, making sure we can add an exten
}
/* make sure our super fits in the device */
- if (bytenr + PAGE_CACHE_SIZE >= i_size_read(bdev->bd_inode))
+ if (bytenr + PAGE_SIZE >= i_size_read(bdev->bd_inode))
goto error_bdev_put;
/* make sure our super fits in the page */
- if (sizeof(*disk_super) > PAGE_CACHE_SIZE)
+ if (sizeof(*disk_super) > PAGE_SIZE)
goto error_bdev_put;
/* make sure our super doesn't straddle pages on disk */
- index = bytenr >> PAGE_CACHE_SHIFT;
- if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_CACHE_SHIFT != index)
+ index = bytenr >> PAGE_SHIFT;
+ if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_SHIFT != index)
goto error_bdev_put;
/* pull in the page with our super */
p = kmap(page);
/* align our pointer to the offset of the super block */
- disk_super = p + (bytenr & ~PAGE_CACHE_MASK);
+ disk_super = p + (bytenr & ~PAGE_MASK);
if (btrfs_super_bytenr(disk_super) != bytenr ||
btrfs_super_magic(disk_super) != BTRFS_MAGIC)
error_unmap:
kunmap(page);
- page_cache_release(page);
+ put_page(page);
error_bdev_put:
blkdev_put(bdev, flags);
* but sb spans only this function. Add an explicit SetPageUptodate call
* to silence the warning eg. on PowerPC 64.
*/
- if (PAGE_CACHE_SIZE > BTRFS_SUPER_INFO_SIZE)
+ if (PAGE_SIZE > BTRFS_SUPER_INFO_SIZE)
SetPageUptodate(sb->pages[0]);
write_extent_buffer(sb, super_copy, 0, BTRFS_SUPER_INFO_SIZE);
workspacesize = max(zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL),
zlib_inflate_workspacesize());
workspace->strm.workspace = vmalloc(workspacesize);
- workspace->buf = kmalloc(PAGE_CACHE_SIZE, GFP_NOFS);
+ workspace->buf = kmalloc(PAGE_SIZE, GFP_NOFS);
if (!workspace->strm.workspace || !workspace->buf)
goto fail;
workspace->strm.total_in = 0;
workspace->strm.total_out = 0;
- in_page = find_get_page(mapping, start >> PAGE_CACHE_SHIFT);
+ in_page = find_get_page(mapping, start >> PAGE_SHIFT);
data_in = kmap(in_page);
out_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
workspace->strm.next_in = data_in;
workspace->strm.next_out = cpage_out;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
- workspace->strm.avail_in = min(len, PAGE_CACHE_SIZE);
+ workspace->strm.avail_out = PAGE_SIZE;
+ workspace->strm.avail_in = min(len, PAGE_SIZE);
while (workspace->strm.total_in < len) {
ret = zlib_deflate(&workspace->strm, Z_SYNC_FLUSH);
cpage_out = kmap(out_page);
pages[nr_pages] = out_page;
nr_pages++;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
+ workspace->strm.avail_out = PAGE_SIZE;
workspace->strm.next_out = cpage_out;
}
/* we're all done */
bytes_left = len - workspace->strm.total_in;
kunmap(in_page);
- page_cache_release(in_page);
+ put_page(in_page);
- start += PAGE_CACHE_SIZE;
+ start += PAGE_SIZE;
in_page = find_get_page(mapping,
- start >> PAGE_CACHE_SHIFT);
+ start >> PAGE_SHIFT);
data_in = kmap(in_page);
workspace->strm.avail_in = min(bytes_left,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
workspace->strm.next_in = data_in;
}
}
if (in_page) {
kunmap(in_page);
- page_cache_release(in_page);
+ put_page(in_page);
}
return ret;
}
size_t total_out = 0;
unsigned long page_in_index = 0;
unsigned long page_out_index = 0;
- unsigned long total_pages_in = DIV_ROUND_UP(srclen, PAGE_CACHE_SIZE);
+ unsigned long total_pages_in = DIV_ROUND_UP(srclen, PAGE_SIZE);
unsigned long buf_start;
unsigned long pg_offset;
data_in = kmap(pages_in[page_in_index]);
workspace->strm.next_in = data_in;
- workspace->strm.avail_in = min_t(size_t, srclen, PAGE_CACHE_SIZE);
+ workspace->strm.avail_in = min_t(size_t, srclen, PAGE_SIZE);
workspace->strm.total_in = 0;
workspace->strm.total_out = 0;
workspace->strm.next_out = workspace->buf;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
+ workspace->strm.avail_out = PAGE_SIZE;
pg_offset = 0;
/* If it's deflate, and it's got no preset dictionary, then
}
workspace->strm.next_out = workspace->buf;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
+ workspace->strm.avail_out = PAGE_SIZE;
if (workspace->strm.avail_in == 0) {
unsigned long tmp;
workspace->strm.next_in = data_in;
tmp = srclen - workspace->strm.total_in;
workspace->strm.avail_in = min(tmp,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
}
}
if (ret != Z_STREAM_END)
workspace->strm.total_in = 0;
workspace->strm.next_out = workspace->buf;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
+ workspace->strm.avail_out = PAGE_SIZE;
workspace->strm.total_out = 0;
/* If it's deflate, and it's got no preset dictionary, then
we can tell zlib to skip the adler32 check. */
else
buf_offset = 0;
- bytes = min(PAGE_CACHE_SIZE - pg_offset,
- PAGE_CACHE_SIZE - buf_offset);
+ bytes = min(PAGE_SIZE - pg_offset,
+ PAGE_SIZE - buf_offset);
bytes = min(bytes, bytes_left);
kaddr = kmap_atomic(dest_page);
bytes_left -= bytes;
next:
workspace->strm.next_out = workspace->buf;
- workspace->strm.avail_out = PAGE_CACHE_SIZE;
+ workspace->strm.avail_out = PAGE_SIZE;
}
if (ret != Z_STREAM_END && bytes_left != 0)
{
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
static void buffer_io_error(struct buffer_head *bh, char *msg)
struct page *page;
int all_mapped = 1;
- index = block >> (PAGE_CACHE_SHIFT - bd_inode->i_blkbits);
+ index = block >> (PAGE_SHIFT - bd_inode->i_blkbits);
page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED);
if (!page)
goto out;
}
out_unlock:
spin_unlock(&bd_mapping->private_lock);
- page_cache_release(page);
+ put_page(page);
out:
return ret;
}
ret = (block < end_block) ? 1 : -ENXIO;
failed:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ret;
}
/*
* Check for overflow
*/
- BUG_ON(stop > PAGE_CACHE_SIZE || stop < length);
+ BUG_ON(stop > PAGE_SIZE || stop < length);
head = page_buffers(page);
bh = head;
blocksize = bh->b_size;
bbits = block_size_bits(blocksize);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - bbits);
last_block = (i_size_read(inode) - 1) >> bbits;
/*
int __block_write_begin(struct page *page, loff_t pos, unsigned len,
get_block_t *get_block)
{
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + len;
struct inode *inode = page->mapping->host;
unsigned block_start, block_end;
struct buffer_head *bh, *head, *wait[2], **wait_bh=wait;
BUG_ON(!PageLocked(page));
- BUG_ON(from > PAGE_CACHE_SIZE);
- BUG_ON(to > PAGE_CACHE_SIZE);
+ BUG_ON(from > PAGE_SIZE);
+ BUG_ON(to > PAGE_SIZE);
BUG_ON(from > to);
head = create_page_buffers(page, inode, 0);
blocksize = head->b_size;
bbits = block_size_bits(blocksize);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - bbits);
for(bh = head, block_start = 0; bh != head || !block_start;
block++, block_start=block_end, bh = bh->b_this_page) {
int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
unsigned flags, struct page **pagep, get_block_t *get_block)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
int status;
status = __block_write_begin(page, pos, len, get_block);
if (unlikely(status)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
struct inode *inode = mapping->host;
unsigned start;
- start = pos & (PAGE_CACHE_SIZE - 1);
+ start = pos & (PAGE_SIZE - 1);
if (unlikely(copied < len)) {
/*
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
head = page_buffers(page);
blocksize = head->b_size;
- to = min_t(unsigned, PAGE_CACHE_SIZE - from, count);
+ to = min_t(unsigned, PAGE_SIZE - from, count);
to = from + to;
- if (from < blocksize && to > PAGE_CACHE_SIZE - blocksize)
+ if (from < blocksize && to > PAGE_SIZE - blocksize)
return 0;
bh = head;
blocksize = head->b_size;
bbits = block_size_bits(blocksize);
- iblock = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ iblock = (sector_t)page->index << (PAGE_SHIFT - bbits);
lblock = (i_size_read(inode)+blocksize-1) >> bbits;
bh = head;
nr = 0;
unsigned zerofrom, offset, len;
int err = 0;
- index = pos >> PAGE_CACHE_SHIFT;
- offset = pos & ~PAGE_CACHE_MASK;
+ index = pos >> PAGE_SHIFT;
+ offset = pos & ~PAGE_MASK;
- while (index > (curidx = (curpos = *bytes)>>PAGE_CACHE_SHIFT)) {
- zerofrom = curpos & ~PAGE_CACHE_MASK;
+ while (index > (curidx = (curpos = *bytes)>>PAGE_SHIFT)) {
+ zerofrom = curpos & ~PAGE_MASK;
if (zerofrom & (blocksize-1)) {
*bytes |= (blocksize-1);
(*bytes)++;
}
- len = PAGE_CACHE_SIZE - zerofrom;
+ len = PAGE_SIZE - zerofrom;
err = pagecache_write_begin(file, mapping, curpos, len,
AOP_FLAG_UNINTERRUPTIBLE,
/* page covers the boundary, find the boundary offset */
if (index == curidx) {
- zerofrom = curpos & ~PAGE_CACHE_MASK;
+ zerofrom = curpos & ~PAGE_MASK;
/* if we will expand the thing last block will be filled */
if (offset <= zerofrom) {
goto out;
if (err)
return err;
- zerofrom = *bytes & ~PAGE_CACHE_MASK;
+ zerofrom = *bytes & ~PAGE_MASK;
if (pos+len > *bytes && zerofrom & (blocksize-1)) {
*bytes |= (blocksize-1);
(*bytes)++;
}
/* page is wholly or partially inside EOF */
- if (((page->index + 1) << PAGE_CACHE_SHIFT) > size)
- end = size & ~PAGE_CACHE_MASK;
+ if (((page->index + 1) << PAGE_SHIFT) > size)
+ end = size & ~PAGE_MASK;
else
- end = PAGE_CACHE_SIZE;
+ end = PAGE_SIZE;
ret = __block_write_begin(page, 0, end, get_block);
if (!ret)
int ret = 0;
int is_mapped_to_disk = 1;
- index = pos >> PAGE_CACHE_SHIFT;
- from = pos & (PAGE_CACHE_SIZE - 1);
+ index = pos >> PAGE_SHIFT;
+ from = pos & (PAGE_SIZE - 1);
to = from + len;
page = grab_cache_page_write_begin(mapping, index, flags);
goto out_release;
}
- block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);
+ block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);
/*
* We loop across all blocks in the page, whether or not they are
* page is fully mapped-to-disk.
*/
for (block_start = 0, block_in_page = 0, bh = head;
- block_start < PAGE_CACHE_SIZE;
+ block_start < PAGE_SIZE;
block_in_page++, block_start += blocksize, bh = bh->b_this_page) {
int create;
out_release:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
*pagep = NULL;
return ret;
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
while (head) {
bh = head;
{
struct inode * const inode = page->mapping->host;
loff_t i_size = i_size_read(inode);
- const pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ const pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
int ret;
goto out;
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index >= end_index+1 || !offset) {
/*
* The page may have dirty, unmapped buffers. For example,
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
out:
ret = mpage_writepage(page, get_block, wbc);
if (ret == -EAGAIN)
int nobh_truncate_page(struct address_space *mapping,
loff_t from, get_block_t *get_block)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize;
sector_t iblock;
unsigned length, pos;
return 0;
length = blocksize - length;
- iblock = (sector_t)index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ iblock = (sector_t)index << (PAGE_SHIFT - inode->i_blkbits);
page = grab_cache_page(mapping, index);
err = -ENOMEM;
if (page_has_buffers(page)) {
has_buffers:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return block_truncate_page(mapping, from, get_block);
}
if (!PageUptodate(page)) {
err = mapping->a_ops->readpage(NULL, page);
if (err) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
lock_page(page);
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
return err;
}
int block_truncate_page(struct address_space *mapping,
loff_t from, get_block_t *get_block)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize;
sector_t iblock;
unsigned length, pos;
return 0;
length = blocksize - length;
- iblock = (sector_t)index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ iblock = (sector_t)index << (PAGE_SHIFT - inode->i_blkbits);
page = grab_cache_page(mapping, index);
err = -ENOMEM;
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
return err;
}
{
struct inode * const inode = page->mapping->host;
loff_t i_size = i_size_read(inode);
- const pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ const pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
/* Is the page fully inside i_size? */
end_buffer_async_write);
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index >= end_index+1 || !offset) {
/*
* The page may have dirty, unmapped buffers. For example,
* they may have been added in ext3_writepage(). Make them
* freeable here, so the page does not leak.
*/
- do_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ do_invalidatepage(page, 0, PAGE_SIZE);
unlock_page(page);
return 0; /* don't care */
}
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
return __block_write_full_page(inode, page, get_block, wbc,
end_buffer_async_write);
}
error = -EIO;
}
- page_cache_release(monitor->back_page);
+ put_page(monitor->back_page);
fscache_end_io(op, monitor->netfs_page, error);
- page_cache_release(monitor->netfs_page);
+ put_page(monitor->netfs_page);
fscache_retrieval_complete(op, 1);
fscache_put_retrieval(op);
kfree(monitor);
_debug("- monitor add");
/* install the monitor */
- page_cache_get(monitor->netfs_page);
- page_cache_get(backpage);
+ get_page(monitor->netfs_page);
+ get_page(backpage);
monitor->back_page = backpage;
monitor->monitor.private = backpage;
add_page_wait_queue(backpage, &monitor->monitor);
_debug("- present");
if (newpage) {
- page_cache_release(newpage);
+ put_page(newpage);
newpage = NULL;
}
out:
if (backpage)
- page_cache_release(backpage);
+ put_page(backpage);
if (monitor) {
fscache_put_retrieval(monitor->op);
kfree(monitor);
goto out;
nomem_page:
- page_cache_release(newpage);
+ put_page(newpage);
nomem_monitor:
fscache_put_retrieval(monitor->op);
kfree(monitor);
netpage->index, cachefiles_gfp);
if (ret < 0) {
if (ret == -EEXIST) {
- page_cache_release(netpage);
+ put_page(netpage);
fscache_retrieval_complete(op, 1);
continue;
}
}
/* install a monitor */
- page_cache_get(netpage);
+ get_page(netpage);
monitor->netfs_page = netpage;
- page_cache_get(backpage);
+ get_page(backpage);
monitor->back_page = backpage;
monitor->monitor.private = backpage;
add_page_wait_queue(backpage, &monitor->monitor);
unlock_page(backpage);
}
- page_cache_release(backpage);
+ put_page(backpage);
backpage = NULL;
- page_cache_release(netpage);
+ put_page(netpage);
netpage = NULL;
continue;
netpage->index, cachefiles_gfp);
if (ret < 0) {
if (ret == -EEXIST) {
- page_cache_release(netpage);
+ put_page(netpage);
fscache_retrieval_complete(op, 1);
continue;
}
copy_highpage(netpage, backpage);
- page_cache_release(backpage);
+ put_page(backpage);
backpage = NULL;
fscache_mark_page_cached(op, netpage);
/* the netpage is unlocked and marked up to date here */
fscache_end_io(op, netpage, 0);
- page_cache_release(netpage);
+ put_page(netpage);
netpage = NULL;
fscache_retrieval_complete(op, 1);
continue;
out:
/* tidy up */
if (newpage)
- page_cache_release(newpage);
+ put_page(newpage);
if (netpage)
- page_cache_release(netpage);
+ put_page(netpage);
if (backpage)
- page_cache_release(backpage);
+ put_page(backpage);
if (monitor) {
fscache_put_retrieval(op);
kfree(monitor);
list_for_each_entry_safe(netpage, _n, list, lru) {
list_del(&netpage->lru);
- page_cache_release(netpage);
+ put_page(netpage);
fscache_retrieval_complete(op, 1);
}
inode = page->mapping->host;
ci = ceph_inode(inode);
- if (offset != 0 || length != PAGE_CACHE_SIZE) {
+ if (offset != 0 || length != PAGE_SIZE) {
dout("%p invalidatepage %p idx %lu partial dirty page %u~%u\n",
inode, page, page->index, offset, length);
return;
&ceph_inode_to_client(inode)->client->osdc;
int err = 0;
u64 off = page_offset(page);
- u64 len = PAGE_CACHE_SIZE;
+ u64 len = PAGE_SIZE;
if (off >= i_size_read(inode)) {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
return 0;
}
*/
if (off == 0)
return -EINVAL;
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
return 0;
}
ceph_fscache_readpage_cancel(inode, page);
goto out;
}
- if (err < PAGE_CACHE_SIZE)
+ if (err < PAGE_SIZE)
/* zero fill remainder of page */
- zero_user_segment(page, err, PAGE_CACHE_SIZE);
+ zero_user_segment(page, err, PAGE_SIZE);
else
flush_dcache_page(page);
if (rc < 0 && rc != -ENOENT)
goto unlock;
- if (bytes < (int)PAGE_CACHE_SIZE) {
+ if (bytes < (int)PAGE_SIZE) {
/* zero (remainder of) page */
int s = bytes < 0 ? 0 : bytes;
- zero_user_segment(page, s, PAGE_CACHE_SIZE);
+ zero_user_segment(page, s, PAGE_SIZE);
}
dout("finish_read %p uptodate %p idx %lu\n", inode, page,
page->index);
ceph_readpage_to_fscache(inode, page);
unlock:
unlock_page(page);
- page_cache_release(page);
- bytes -= PAGE_CACHE_SIZE;
+ put_page(page);
+ bytes -= PAGE_SIZE;
}
kfree(osd_data->pages);
}
if (max && nr_pages == max)
break;
}
- len = nr_pages << PAGE_CACHE_SHIFT;
+ len = nr_pages << PAGE_SHIFT;
dout("start_read %p nr_pages %d is %lld~%lld\n", inode, nr_pages,
off, len);
vino = ceph_vino(inode);
if (add_to_page_cache_lru(page, &inode->i_data, page->index,
GFP_KERNEL)) {
ceph_fscache_uncache_page(inode, page);
- page_cache_release(page);
+ put_page(page);
dout("start_read %p add_to_page_cache failed %p\n",
inode, page);
nr_pages = i;
if (rc == 0)
goto out;
- if (fsc->mount_options->rsize >= PAGE_CACHE_SIZE)
- max = (fsc->mount_options->rsize + PAGE_CACHE_SIZE - 1)
+ if (fsc->mount_options->rsize >= PAGE_SIZE)
+ max = (fsc->mount_options->rsize + PAGE_SIZE - 1)
>> PAGE_SHIFT;
dout("readpages %p file %p nr_pages %d max %d\n", inode,
long writeback_stat;
u64 truncate_size;
u32 truncate_seq;
- int err = 0, len = PAGE_CACHE_SIZE;
+ int err = 0, len = PAGE_SIZE;
dout("writepage %p idx %lu\n", page, page->index);
}
if (fsc->mount_options->wsize && fsc->mount_options->wsize < wsize)
wsize = fsc->mount_options->wsize;
- if (wsize < PAGE_CACHE_SIZE)
- wsize = PAGE_CACHE_SIZE;
- max_pages_ever = wsize >> PAGE_CACHE_SHIFT;
+ if (wsize < PAGE_SIZE)
+ wsize = PAGE_SIZE;
+ max_pages_ever = wsize >> PAGE_SHIFT;
pagevec_init(&pvec, 0);
end = -1;
dout(" cyclic, start at %lu\n", start);
} else {
- start = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ start = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = 1;
should_loop = 0;
num_ops = 1 + do_sync;
strip_unit_end = page->index +
- ((len - 1) >> PAGE_CACHE_SHIFT);
+ ((len - 1) >> PAGE_SHIFT);
BUG_ON(pages);
max_pages = calc_pages_for(0, (u64)len);
len = 0;
} else if (page->index !=
- (offset + len) >> PAGE_CACHE_SHIFT) {
+ (offset + len) >> PAGE_SHIFT) {
if (num_ops >= (pool ? CEPH_OSD_SLAB_OPS :
CEPH_OSD_MAX_OPS)) {
redirty_page_for_writepage(wbc, page);
pages[locked_pages] = page;
locked_pages++;
- len += PAGE_CACHE_SIZE;
+ len += PAGE_SIZE;
}
/* did we get anything? */
BUG_ON(IS_ERR(req));
}
BUG_ON(len < page_offset(pages[locked_pages - 1]) +
- PAGE_CACHE_SIZE - offset);
+ PAGE_SIZE - offset);
req->r_callback = writepages_finish;
req->r_inode = inode;
}
set_page_writeback(pages[i]);
- len += PAGE_CACHE_SIZE;
+ len += PAGE_SIZE;
}
if (snap_size != -1) {
/* writepages_finish() clears writeback pages
* according to the data length, so make sure
* data length covers all locked pages */
- u64 min_len = len + 1 - PAGE_CACHE_SIZE;
+ u64 min_len = len + 1 - PAGE_SIZE;
len = min(len, (u64)i_size_read(inode) - offset);
len = max(len, min_len);
}
{
struct inode *inode = file_inode(file);
struct ceph_inode_info *ci = ceph_inode(inode);
- loff_t page_off = pos & PAGE_CACHE_MASK;
- int pos_in_page = pos & ~PAGE_CACHE_MASK;
+ loff_t page_off = pos & PAGE_MASK;
+ int pos_in_page = pos & ~PAGE_MASK;
int end_in_page = pos_in_page + len;
loff_t i_size;
int r;
}
/* full page? */
- if (pos_in_page == 0 && len == PAGE_CACHE_SIZE)
+ if (pos_in_page == 0 && len == PAGE_SIZE)
return 0;
/* past end of file? */
if (page_off >= i_size ||
(pos_in_page == 0 && (pos+len) >= i_size &&
- end_in_page - pos_in_page != PAGE_CACHE_SIZE)) {
+ end_in_page - pos_in_page != PAGE_SIZE)) {
dout(" zeroing %p 0 - %d and %d - %d\n",
- page, pos_in_page, end_in_page, (int)PAGE_CACHE_SIZE);
+ page, pos_in_page, end_in_page, (int)PAGE_SIZE);
zero_user_segments(page,
0, pos_in_page,
- end_in_page, PAGE_CACHE_SIZE);
+ end_in_page, PAGE_SIZE);
return 0;
}
{
struct inode *inode = file_inode(file);
struct page *page;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
int r;
do {
r = ceph_update_writeable_page(file, pos, len, page);
if (r < 0)
- page_cache_release(page);
+ put_page(page);
else
*pagep = page;
} while (r == -EAGAIN);
struct page *page, void *fsdata)
{
struct inode *inode = file_inode(file);
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
int check_cap = 0;
dout("write_end file %p inode %p page %p %d~%d (%d)\n", file,
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (check_cap)
ceph_check_caps(ceph_inode(inode), CHECK_CAPS_AUTHONLY, NULL);
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_file_info *fi = vma->vm_file->private_data;
struct page *pinned_page = NULL;
- loff_t off = vmf->pgoff << PAGE_CACHE_SHIFT;
+ loff_t off = vmf->pgoff << PAGE_SHIFT;
int want, got, ret;
dout("filemap_fault %p %llx.%llx %llu~%zd trying to get caps\n",
- inode, ceph_vinop(inode), off, (size_t)PAGE_CACHE_SIZE);
+ inode, ceph_vinop(inode), off, (size_t)PAGE_SIZE);
if (fi->fmode & CEPH_FILE_MODE_LAZY)
want = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO;
else
}
}
dout("filemap_fault %p %llu~%zd got cap refs on %s\n",
- inode, off, (size_t)PAGE_CACHE_SIZE, ceph_cap_string(got));
+ inode, off, (size_t)PAGE_SIZE, ceph_cap_string(got));
if ((got & (CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO)) ||
ci->i_inline_version == CEPH_INLINE_NONE)
ret = -EAGAIN;
dout("filemap_fault %p %llu~%zd dropping cap refs on %s ret %d\n",
- inode, off, (size_t)PAGE_CACHE_SIZE, ceph_cap_string(got), ret);
+ inode, off, (size_t)PAGE_SIZE, ceph_cap_string(got), ret);
if (pinned_page)
- page_cache_release(pinned_page);
+ put_page(pinned_page);
ceph_put_cap_refs(ci, got);
if (ret != -EAGAIN)
return ret;
/* read inline data */
- if (off >= PAGE_CACHE_SIZE) {
+ if (off >= PAGE_SIZE) {
/* does not support inline data > PAGE_SIZE */
ret = VM_FAULT_SIGBUS;
} else {
CEPH_STAT_CAP_INLINE_DATA, true);
if (ret1 < 0 || off >= i_size_read(inode)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ret = VM_FAULT_SIGBUS;
goto out;
}
- if (ret1 < PAGE_CACHE_SIZE)
- zero_user_segment(page, ret1, PAGE_CACHE_SIZE);
+ if (ret1 < PAGE_SIZE)
+ zero_user_segment(page, ret1, PAGE_SIZE);
else
flush_dcache_page(page);
SetPageUptodate(page);
}
out:
dout("filemap_fault %p %llu~%zd read inline data ret %d\n",
- inode, off, (size_t)PAGE_CACHE_SIZE, ret);
+ inode, off, (size_t)PAGE_SIZE, ret);
return ret;
}
}
}
- if (off + PAGE_CACHE_SIZE <= size)
- len = PAGE_CACHE_SIZE;
+ if (off + PAGE_SIZE <= size)
+ len = PAGE_SIZE;
else
- len = size & ~PAGE_CACHE_MASK;
+ len = size & ~PAGE_MASK;
dout("page_mkwrite %p %llx.%llx %llu~%zd getting caps i_size %llu\n",
inode, ceph_vinop(inode), off, len, size);
return;
if (PageUptodate(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return;
}
}
}
if (page != locked_page) {
- if (len < PAGE_CACHE_SIZE)
- zero_user_segment(page, len, PAGE_CACHE_SIZE);
+ if (len < PAGE_SIZE)
+ zero_user_segment(page, len, PAGE_SIZE);
else
flush_dcache_page(page);
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
from_pagecache = true;
lock_page(page);
} else {
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
}
if (page) {
len = i_size_read(inode);
- if (len > PAGE_CACHE_SIZE)
- len = PAGE_CACHE_SIZE;
+ if (len > PAGE_SIZE)
+ len = PAGE_SIZE;
} else {
page = __page_cache_alloc(GFP_NOFS);
if (!page) {
if (page && page != locked_page) {
if (from_pagecache) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
} else
__free_pages(page, 0);
}
*pinned_page = page;
break;
}
- page_cache_release(page);
+ put_page(page);
}
/*
* drop cap refs first because getattr while
struct inode *dir = d_inode(parent);
struct dentry *dentry, *last = NULL;
struct ceph_dentry_info *di;
- unsigned nsize = PAGE_CACHE_SIZE / sizeof(struct dentry *);
+ unsigned nsize = PAGE_SIZE / sizeof(struct dentry *);
int err = 0;
loff_t ptr_pos = 0;
struct ceph_readdir_cache_control cache_ctl = {};
}
err = -EAGAIN;
- pgoff = ptr_pos >> PAGE_CACHE_SHIFT;
+ pgoff = ptr_pos >> PAGE_SHIFT;
if (!cache_ctl.page || pgoff != page_index(cache_ctl.page)) {
ceph_readdir_cache_release(&cache_ctl);
cache_ctl.page = find_lock_page(&dir->i_data, pgoff);
ret += zlen;
}
- didpages = (page_align + ret) >> PAGE_CACHE_SHIFT;
+ didpages = (page_align + ret) >> PAGE_SHIFT;
pos += ret;
read = pos - off;
left -= ret;
if (write) {
ret = invalidate_inode_pages2_range(inode->i_mapping,
- pos >> PAGE_CACHE_SHIFT,
- (pos + count) >> PAGE_CACHE_SHIFT);
+ pos >> PAGE_SHIFT,
+ (pos + count) >> PAGE_SHIFT);
if (ret < 0)
dout("invalidate_inode_pages2_range returned %d\n", ret);
* may block.
*/
truncate_inode_pages_range(inode->i_mapping, pos,
- (pos+len) | (PAGE_CACHE_SIZE - 1));
+ (pos+len) | (PAGE_SIZE - 1));
osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC, 0);
}
return ret;
ret = invalidate_inode_pages2_range(inode->i_mapping,
- pos >> PAGE_CACHE_SHIFT,
- (pos + count) >> PAGE_CACHE_SHIFT);
+ pos >> PAGE_SHIFT,
+ (pos + count) >> PAGE_SHIFT);
if (ret < 0)
dout("invalidate_inode_pages2_range returned %d\n", ret);
* write from beginning of first page,
* regardless of io alignment
*/
- num_pages = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ num_pages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);
if (IS_ERR(pages)) {
dout("aio_read %p %llx.%llx dropping cap refs on %s = %d\n",
inode, ceph_vinop(inode), ceph_cap_string(got), (int)ret);
if (pinned_page) {
- page_cache_release(pinned_page);
+ put_page(pinned_page);
pinned_page = NULL;
}
ceph_put_cap_refs(ci, got);
if (retry_op == READ_INLINE) {
BUG_ON(ret > 0 || read > 0);
if (iocb->ki_pos < i_size &&
- iocb->ki_pos < PAGE_CACHE_SIZE) {
+ iocb->ki_pos < PAGE_SIZE) {
loff_t end = min_t(loff_t, i_size,
iocb->ki_pos + len);
- end = min_t(loff_t, end, PAGE_CACHE_SIZE);
+ end = min_t(loff_t, end, PAGE_SIZE);
if (statret < end)
zero_user_segment(page, statret, end);
ret = copy_page_to_iter(page,
struct inode *inode, loff_t offset, unsigned size)
{
struct page *page;
- pgoff_t index = offset >> PAGE_CACHE_SHIFT;
+ pgoff_t index = offset >> PAGE_SHIFT;
page = find_lock_page(inode->i_mapping, index);
if (page) {
wait_on_page_writeback(page);
- zero_user(page, offset & (PAGE_CACHE_SIZE - 1), size);
+ zero_user(page, offset & (PAGE_SIZE - 1), size);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
static void ceph_zero_pagecache_range(struct inode *inode, loff_t offset,
loff_t length)
{
- loff_t nearly = round_up(offset, PAGE_CACHE_SIZE);
+ loff_t nearly = round_up(offset, PAGE_SIZE);
if (offset < nearly) {
loff_t size = nearly - offset;
if (length < size)
offset += size;
length -= size;
}
- if (length >= PAGE_CACHE_SIZE) {
- loff_t size = round_down(length, PAGE_CACHE_SIZE);
+ if (length >= PAGE_SIZE) {
+ loff_t size = round_down(length, PAGE_SIZE);
truncate_pagecache_range(inode, offset, offset + size - 1);
offset += size;
length -= size;
{
if (ctl->page) {
kunmap(ctl->page);
- page_cache_release(ctl->page);
+ put_page(ctl->page);
ctl->page = NULL;
}
}
struct ceph_mds_request *req)
{
struct ceph_inode_info *ci = ceph_inode(dir);
- unsigned nsize = PAGE_CACHE_SIZE / sizeof(struct dentry*);
+ unsigned nsize = PAGE_SIZE / sizeof(struct dentry*);
unsigned idx = ctl->index % nsize;
pgoff_t pgoff = ctl->index / nsize;
unlock_page(ctl->page);
ctl->dentries = kmap(ctl->page);
if (idx == 0)
- memset(ctl->dentries, 0, PAGE_CACHE_SIZE);
+ memset(ctl->dentries, 0, PAGE_SIZE);
}
if (req->r_dir_release_cnt == atomic64_read(&ci->i_release_count) &&
while (!list_empty(&tmp_list)) {
if (!msg) {
msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE,
- PAGE_CACHE_SIZE, GFP_NOFS, false);
+ PAGE_SIZE, GFP_NOFS, false);
if (!msg)
goto out_err;
head = msg->front.iov_base;
/*
* cap releases are batched and sent to the MDS en masse.
*/
-#define CEPH_CAPS_PER_RELEASE ((PAGE_CACHE_SIZE - \
+#define CEPH_CAPS_PER_RELEASE ((PAGE_SIZE - \
sizeof(struct ceph_mds_cap_release)) / \
sizeof(struct ceph_mds_cap_item))
/* set up mempools */
err = -ENOMEM;
- page_count = fsc->mount_options->wsize >> PAGE_CACHE_SHIFT;
+ page_count = fsc->mount_options->wsize >> PAGE_SHIFT;
size = sizeof (struct page *) * (page_count ? page_count : 1);
fsc->wb_pagevec_pool = mempool_create_kmalloc_pool(10, size);
if (!fsc->wb_pagevec_pool)
int err;
/* set ra_pages based on rasize mount option? */
- if (fsc->mount_options->rasize >= PAGE_CACHE_SIZE)
+ if (fsc->mount_options->rasize >= PAGE_SIZE)
fsc->backing_dev_info.ra_pages =
- (fsc->mount_options->rasize + PAGE_CACHE_SIZE - 1)
+ (fsc->mount_options->rasize + PAGE_SIZE - 1)
>> PAGE_SHIFT;
else
fsc->backing_dev_info.ra_pages =
- VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE;
+ VM_MAX_READAHEAD * 1024 / PAGE_SIZE;
err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld",
atomic_long_inc_return(&bdi_seq));
cifs_dbg(FYI, "about to flush pages\n");
/* should we flush first and last page first */
truncate_inode_pages_range(&target_inode->i_data, destoff,
- PAGE_CACHE_ALIGN(destoff + len)-1);
+ PAGE_ALIGN(destoff + len)-1);
if (target_tcon->ses->server->ops->duplicate_extents)
rc = target_tcon->ses->server->ops->duplicate_extents(xid,
wsize = server->ops->wp_retry_size(inode);
if (wsize < rest_len) {
- nr_pages = wsize / PAGE_CACHE_SIZE;
+ nr_pages = wsize / PAGE_SIZE;
if (!nr_pages) {
rc = -ENOTSUPP;
break;
}
- cur_len = nr_pages * PAGE_CACHE_SIZE;
- tailsz = PAGE_CACHE_SIZE;
+ cur_len = nr_pages * PAGE_SIZE;
+ tailsz = PAGE_SIZE;
} else {
- nr_pages = DIV_ROUND_UP(rest_len, PAGE_CACHE_SIZE);
+ nr_pages = DIV_ROUND_UP(rest_len, PAGE_SIZE);
cur_len = rest_len;
- tailsz = rest_len - (nr_pages - 1) * PAGE_CACHE_SIZE;
+ tailsz = rest_len - (nr_pages - 1) * PAGE_SIZE;
}
wdata2 = cifs_writedata_alloc(nr_pages, cifs_writev_complete);
wdata2->sync_mode = wdata->sync_mode;
wdata2->nr_pages = nr_pages;
wdata2->offset = page_offset(wdata2->pages[0]);
- wdata2->pagesz = PAGE_CACHE_SIZE;
+ wdata2->pagesz = PAGE_SIZE;
wdata2->tailsz = tailsz;
wdata2->bytes = cur_len;
if (rc != 0 && rc != -EAGAIN) {
SetPageError(wdata2->pages[j]);
end_page_writeback(wdata2->pages[j]);
- page_cache_release(wdata2->pages[j]);
+ put_page(wdata2->pages[j]);
}
}
else if (wdata->result < 0)
SetPageError(page);
end_page_writeback(page);
- page_cache_release(page);
+ put_page(page);
}
if (wdata->result != -EAGAIN)
mapping_set_error(inode->i_mapping, wdata->result);
cifs_sb->rsize = server->ops->negotiate_rsize(tcon, volume_info);
/* tune readahead according to rsize */
- cifs_sb->bdi.ra_pages = cifs_sb->rsize / PAGE_CACHE_SIZE;
+ cifs_sb->bdi.ra_pages = cifs_sb->rsize / PAGE_SIZE;
remote_path_check:
#ifdef CONFIG_CIFS_DFS_UPCALL
static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to)
{
struct address_space *mapping = page->mapping;
- loff_t offset = (loff_t)page->index << PAGE_CACHE_SHIFT;
+ loff_t offset = (loff_t)page->index << PAGE_SHIFT;
char *write_data;
int rc = -EFAULT;
int bytes_written = 0;
write_data = kmap(page);
write_data += from;
- if ((to > PAGE_CACHE_SIZE) || (from > to)) {
+ if ((to > PAGE_SIZE) || (from > to)) {
kunmap(page);
return -EIO;
}
/* put any pages we aren't going to use */
for (i = nr_pages; i < found_pages; i++) {
- page_cache_release(wdata->pages[i]);
+ put_page(wdata->pages[i]);
wdata->pages[i] = NULL;
}
wdata->sync_mode = wbc->sync_mode;
wdata->nr_pages = nr_pages;
wdata->offset = page_offset(wdata->pages[0]);
- wdata->pagesz = PAGE_CACHE_SIZE;
+ wdata->pagesz = PAGE_SIZE;
wdata->tailsz = min(i_size_read(mapping->host) -
page_offset(wdata->pages[nr_pages - 1]),
- (loff_t)PAGE_CACHE_SIZE);
- wdata->bytes = ((nr_pages - 1) * PAGE_CACHE_SIZE) + wdata->tailsz;
+ (loff_t)PAGE_SIZE);
+ wdata->bytes = ((nr_pages - 1) * PAGE_SIZE) + wdata->tailsz;
if (wdata->cfile != NULL)
cifsFileInfo_put(wdata->cfile);
* If wsize is smaller than the page cache size, default to writing
* one page at a time via cifs_writepage
*/
- if (cifs_sb->wsize < PAGE_CACHE_SIZE)
+ if (cifs_sb->wsize < PAGE_SIZE)
return generic_writepages(mapping, wbc);
if (wbc->range_cyclic) {
index = mapping->writeback_index; /* Start from prev offset */
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = true;
scanned = true;
if (rc)
break;
- tofind = min((wsize / PAGE_CACHE_SIZE) - 1, end - index) + 1;
+ tofind = min((wsize / PAGE_SIZE) - 1, end - index) + 1;
wdata = wdata_alloc_and_fillpages(tofind, mapping, end, &index,
&found_pages);
else
SetPageError(wdata->pages[i]);
end_page_writeback(wdata->pages[i]);
- page_cache_release(wdata->pages[i]);
+ put_page(wdata->pages[i]);
}
if (rc != -EAGAIN)
mapping_set_error(mapping, rc);
xid = get_xid();
/* BB add check for wbc flags */
- page_cache_get(page);
+ get_page(page);
if (!PageUptodate(page))
cifs_dbg(FYI, "ppw - page not up to date\n");
*/
set_page_writeback(page);
retry_write:
- rc = cifs_partialpagewrite(page, 0, PAGE_CACHE_SIZE);
+ rc = cifs_partialpagewrite(page, 0, PAGE_SIZE);
if (rc == -EAGAIN && wbc->sync_mode == WB_SYNC_ALL)
goto retry_write;
else if (rc == -EAGAIN)
else
SetPageUptodate(page);
end_page_writeback(page);
- page_cache_release(page);
+ put_page(page);
free_xid(xid);
return rc;
}
if (copied == len)
SetPageUptodate(page);
ClearPageChecked(page);
- } else if (!PageUptodate(page) && copied == PAGE_CACHE_SIZE)
+ } else if (!PageUptodate(page) && copied == PAGE_SIZE)
SetPageUptodate(page);
if (!PageUptodate(page)) {
char *page_data;
- unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned offset = pos & (PAGE_SIZE - 1);
unsigned int xid;
xid = get_xid();
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return rc;
}
(rdata->result == -EAGAIN && got_bytes))
cifs_readpage_to_fscache(rdata->mapping->host, page);
- got_bytes -= min_t(unsigned int, PAGE_CACHE_SIZE, got_bytes);
+ got_bytes -= min_t(unsigned int, PAGE_SIZE, got_bytes);
- page_cache_release(page);
+ put_page(page);
rdata->pages[i] = NULL;
}
kref_put(&rdata->refcount, cifs_readdata_release);
/* determine the eof that the server (probably) has */
eof = CIFS_I(rdata->mapping->host)->server_eof;
- eof_index = eof ? (eof - 1) >> PAGE_CACHE_SHIFT : 0;
+ eof_index = eof ? (eof - 1) >> PAGE_SHIFT : 0;
cifs_dbg(FYI, "eof=%llu eof_index=%lu\n", eof, eof_index);
rdata->got_bytes = 0;
- rdata->tailsz = PAGE_CACHE_SIZE;
+ rdata->tailsz = PAGE_SIZE;
for (i = 0; i < nr_pages; i++) {
struct page *page = rdata->pages[i];
- if (len >= PAGE_CACHE_SIZE) {
+ if (len >= PAGE_SIZE) {
/* enough data to fill the page */
iov.iov_base = kmap(page);
- iov.iov_len = PAGE_CACHE_SIZE;
+ iov.iov_len = PAGE_SIZE;
cifs_dbg(FYI, "%u: idx=%lu iov_base=%p iov_len=%zu\n",
i, page->index, iov.iov_base, iov.iov_len);
- len -= PAGE_CACHE_SIZE;
+ len -= PAGE_SIZE;
} else if (len > 0) {
/* enough for partial page, fill and zero the rest */
iov.iov_base = kmap(page);
cifs_dbg(FYI, "%u: idx=%lu iov_base=%p iov_len=%zu\n",
i, page->index, iov.iov_base, iov.iov_len);
memset(iov.iov_base + len,
- '\0', PAGE_CACHE_SIZE - len);
+ '\0', PAGE_SIZE - len);
rdata->tailsz = len;
len = 0;
} else if (page->index > eof_index) {
* to prevent the VFS from repeatedly attempting to
* fill them until the writes are flushed.
*/
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
lru_cache_add_file(page);
flush_dcache_page(page);
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
rdata->pages[i] = NULL;
rdata->nr_pages--;
continue;
/* no need to hold page hostage */
lru_cache_add_file(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
rdata->pages[i] = NULL;
rdata->nr_pages--;
continue;
}
/* move first page to the tmplist */
- *offset = (loff_t)page->index << PAGE_CACHE_SHIFT;
- *bytes = PAGE_CACHE_SIZE;
+ *offset = (loff_t)page->index << PAGE_SHIFT;
+ *bytes = PAGE_SIZE;
*nr_pages = 1;
list_move_tail(&page->lru, tmplist);
break;
/* would this page push the read over the rsize? */
- if (*bytes + PAGE_CACHE_SIZE > rsize)
+ if (*bytes + PAGE_SIZE > rsize)
break;
__SetPageLocked(page);
break;
}
list_move_tail(&page->lru, tmplist);
- (*bytes) += PAGE_CACHE_SIZE;
+ (*bytes) += PAGE_SIZE;
expected_index++;
(*nr_pages)++;
}
* reach this point however since we set ra_pages to 0 when the
* rsize is smaller than a cache page.
*/
- if (unlikely(rsize < PAGE_CACHE_SIZE)) {
+ if (unlikely(rsize < PAGE_SIZE)) {
add_credits_and_wake_if(server, credits, 0);
return 0;
}
list_del(&page->lru);
lru_cache_add_file(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
rc = -ENOMEM;
add_credits_and_wake_if(server, credits, 0);
rdata->offset = offset;
rdata->bytes = bytes;
rdata->pid = pid;
- rdata->pagesz = PAGE_CACHE_SIZE;
+ rdata->pagesz = PAGE_SIZE;
rdata->read_into_pages = cifs_readpages_read_into_pages;
rdata->credits = credits;
page = rdata->pages[i];
lru_cache_add_file(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
/* Fallback to the readpage in error/reconnect cases */
kref_put(&rdata->refcount, cifs_readdata_release);
read_data = kmap(page);
/* for reads over a certain size could initiate async read ahead */
- rc = cifs_read(file, read_data, PAGE_CACHE_SIZE, poffset);
+ rc = cifs_read(file, read_data, PAGE_SIZE, poffset);
if (rc < 0)
goto io_error;
file_inode(file)->i_atime =
current_fs_time(file_inode(file)->i_sb);
- if (PAGE_CACHE_SIZE > rc)
- memset(read_data + rc, 0, PAGE_CACHE_SIZE - rc);
+ if (PAGE_SIZE > rc)
+ memset(read_data + rc, 0, PAGE_SIZE - rc);
flush_dcache_page(page);
SetPageUptodate(page);
static int cifs_readpage(struct file *file, struct page *page)
{
- loff_t offset = (loff_t)page->index << PAGE_CACHE_SHIFT;
+ loff_t offset = (loff_t)page->index << PAGE_SHIFT;
int rc = -EACCES;
unsigned int xid;
struct page **pagep, void **fsdata)
{
int oncethru = 0;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- loff_t offset = pos & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = pos >> PAGE_SHIFT;
+ loff_t offset = pos & (PAGE_SIZE - 1);
loff_t page_start = pos & PAGE_MASK;
loff_t i_size;
struct page *page;
* the server. If the write is short, we'll end up doing a sync write
* instead.
*/
- if (len == PAGE_CACHE_SIZE)
+ if (len == PAGE_SIZE)
goto out;
/*
(offset == 0 && (pos + len) >= i_size)) {
zero_user_segments(page, 0, offset,
offset + len,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
/*
* PageChecked means that the parts of the page
* to which we're not writing are considered up
* do a sync write instead since PG_uptodate isn't set.
*/
cifs_readpage_worker(file, page, &page_start);
- page_cache_release(page);
+ put_page(page);
oncethru = 1;
goto start;
} else {
{
struct cifsInodeInfo *cifsi = CIFS_I(page->mapping->host);
- if (offset == 0 && length == PAGE_CACHE_SIZE)
+ if (offset == 0 && length == PAGE_SIZE)
cifs_fscache_invalidate_page(page, &cifsi->vfs_inode);
}
{
int rc = 0;
loff_t range_start = page_offset(page);
- loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
+ loff_t range_end = range_start + (loff_t)(PAGE_SIZE - 1);
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0,
/* check if server can support readpages */
if (cifs_sb_master_tcon(cifs_sb)->ses->server->maxBuf <
- PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ PAGE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
inode->i_data.a_ops = &cifs_addr_ops;
static int cifs_truncate_page(struct address_space *mapping, loff_t from)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE - 1);
struct page *page;
int rc = 0;
if (!page)
return -ENOMEM;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return rc;
}
struct inode *inode;
struct dentry *root;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = CONFIGFS_MAGIC;
sb->s_op = &configfs_ops;
sb->s_time_gran = 1;
*/
#define BLKS_PER_BUF_SHIFT (2)
#define BLKS_PER_BUF (1 << BLKS_PER_BUF_SHIFT)
-#define BUFFER_SIZE (BLKS_PER_BUF*PAGE_CACHE_SIZE)
+#define BUFFER_SIZE (BLKS_PER_BUF*PAGE_SIZE)
static unsigned char read_buffers[READ_BUFFERS][BUFFER_SIZE];
static unsigned buffer_blocknr[READ_BUFFERS];
if (!len)
return NULL;
- blocknr = offset >> PAGE_CACHE_SHIFT;
- offset &= PAGE_CACHE_SIZE - 1;
+ blocknr = offset >> PAGE_SHIFT;
+ offset &= PAGE_SIZE - 1;
/* Check if an existing buffer already has the data.. */
for (i = 0; i < READ_BUFFERS; i++) {
continue;
if (blocknr < buffer_blocknr[i])
continue;
- blk_offset = (blocknr - buffer_blocknr[i]) << PAGE_CACHE_SHIFT;
+ blk_offset = (blocknr - buffer_blocknr[i]) << PAGE_SHIFT;
blk_offset += offset;
if (blk_offset + len > BUFFER_SIZE)
continue;
return read_buffers[i] + blk_offset;
}
- devsize = mapping->host->i_size >> PAGE_CACHE_SHIFT;
+ devsize = mapping->host->i_size >> PAGE_SHIFT;
/* Ok, read in BLKS_PER_BUF pages completely first. */
for (i = 0; i < BLKS_PER_BUF; i++) {
wait_on_page_locked(page);
if (!PageUptodate(page)) {
/* asynchronous error */
- page_cache_release(page);
+ put_page(page);
pages[i] = NULL;
}
}
struct page *page = pages[i];
if (page) {
- memcpy(data, kmap(page), PAGE_CACHE_SIZE);
+ memcpy(data, kmap(page), PAGE_SIZE);
kunmap(page);
- page_cache_release(page);
+ put_page(page);
} else
- memset(data, 0, PAGE_CACHE_SIZE);
- data += PAGE_CACHE_SIZE;
+ memset(data, 0, PAGE_SIZE);
+ data += PAGE_SIZE;
}
return read_buffers[buffer] + offset;
}
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
buf->f_type = CRAMFS_MAGIC;
- buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_bsize = PAGE_SIZE;
buf->f_blocks = CRAMFS_SB(sb)->blocks;
buf->f_bfree = 0;
buf->f_bavail = 0;
int bytes_filled;
void *pgdata;
- maxblock = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ maxblock = (inode->i_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
bytes_filled = 0;
pgdata = kmap(page);
if (compr_len == 0)
; /* hole */
- else if (unlikely(compr_len > (PAGE_CACHE_SIZE << 1))) {
+ else if (unlikely(compr_len > (PAGE_SIZE << 1))) {
pr_err("bad compressed blocksize %u\n",
compr_len);
goto err;
} else {
mutex_lock(&read_mutex);
bytes_filled = cramfs_uncompress_block(pgdata,
- PAGE_CACHE_SIZE,
+ PAGE_SIZE,
cramfs_read(sb, start_offset, compr_len),
compr_len);
mutex_unlock(&read_mutex);
}
}
- memset(pgdata + bytes_filled, 0, PAGE_CACHE_SIZE - bytes_filled);
+ memset(pgdata + bytes_filled, 0, PAGE_SIZE - bytes_filled);
flush_dcache_page(page);
kunmap(page);
SetPageUptodate(page);
FS_XTS_TWEAK_SIZE - sizeof(index));
sg_init_table(&dst, 1);
- sg_set_page(&dst, dest_page, PAGE_CACHE_SIZE, 0);
+ sg_set_page(&dst, dest_page, PAGE_SIZE, 0);
sg_init_table(&src, 1);
- sg_set_page(&src, src_page, PAGE_CACHE_SIZE, 0);
- skcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE,
+ sg_set_page(&src, src_page, PAGE_SIZE, 0);
+ skcipher_request_set_crypt(req, &src, &dst, PAGE_SIZE,
xts_tweak);
if (rw == FS_DECRYPT)
res = crypto_skcipher_decrypt(req);
struct bio *bio;
int ret, err = 0;
- BUG_ON(inode->i_sb->s_blocksize != PAGE_CACHE_SIZE);
+ BUG_ON(inode->i_sb->s_blocksize != PAGE_SIZE);
ctx = fscrypt_get_ctx(inode);
if (IS_ERR(ctx))
size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (vmf->pgoff >= size) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return VM_FAULT_SIGBUS;
}
}
#define NO_SECTOR -1
-#define DAX_PMD_INDEX(page_index) (page_index & (PMD_MASK >> PAGE_CACHE_SHIFT))
+#define DAX_PMD_INDEX(page_index) (page_index & (PMD_MASK >> PAGE_SHIFT))
static int dax_radix_entry(struct address_space *mapping, pgoff_t index,
sector_t sector, bool pmd_entry, bool dirty)
if (!mapping->nrexceptional || wbc->sync_mode != WB_SYNC_ALL)
return 0;
- start_index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end_index = wbc->range_end >> PAGE_CACHE_SHIFT;
+ start_index = wbc->range_start >> PAGE_SHIFT;
+ end_index = wbc->range_end >> PAGE_SHIFT;
pmd_index = DAX_PMD_INDEX(start_index);
rcu_read_lock();
page = find_get_page(mapping, vmf->pgoff);
if (page) {
if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) {
- page_cache_release(page);
+ put_page(page);
return VM_FAULT_RETRY;
}
if (unlikely(page->mapping != mapping)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (page) {
unmap_mapping_range(mapping, vmf->pgoff << PAGE_SHIFT,
- PAGE_CACHE_SIZE, 0);
+ PAGE_SIZE, 0);
delete_from_page_cache(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
unlock_page:
if (page) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
goto out;
}
get_block_t get_block)
{
struct buffer_head bh;
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
int err;
/* Block boundary? Nothing to do */
if (!length)
return 0;
- BUG_ON((offset + length) > PAGE_CACHE_SIZE);
+ BUG_ON((offset + length) > PAGE_SIZE);
memset(&bh, 0, sizeof(bh));
bh.b_bdev = inode->i_sb->s_bdev;
- bh.b_size = PAGE_CACHE_SIZE;
+ bh.b_size = PAGE_SIZE;
err = get_block(inode, index, &bh, 0);
if (err < 0)
return err;
struct block_device *bdev = bh.b_bdev;
struct blk_dax_ctl dax = {
.sector = to_sector(&bh, inode),
- .size = PAGE_CACHE_SIZE,
+ .size = PAGE_SIZE,
};
if (dax_map_atomic(bdev, &dax) < 0)
*/
int dax_truncate_page(struct inode *inode, loff_t from, get_block_t get_block)
{
- unsigned length = PAGE_CACHE_ALIGN(from) - from;
+ unsigned length = PAGE_ALIGN(from) - from;
return dax_zero_page_range(inode, from, length, get_block);
}
EXPORT_SYMBOL_GPL(dax_truncate_page);
*/
if (dio->page_errors == 0)
dio->page_errors = ret;
- page_cache_get(page);
+ get_page(page);
dio->pages[0] = page;
sdio->head = 0;
sdio->tail = 1;
static inline void dio_cleanup(struct dio *dio, struct dio_submit *sdio)
{
while (sdio->head < sdio->tail)
- page_cache_release(dio->pages[sdio->head++]);
+ put_page(dio->pages[sdio->head++]);
}
/*
if (dio->rw == READ && !PageCompound(page) &&
dio->should_dirty)
set_page_dirty_lock(page);
- page_cache_release(page);
+ put_page(page);
}
err = bio->bi_error;
bio_put(bio);
*/
if ((sdio->cur_page_len + sdio->cur_page_offset) == PAGE_SIZE)
sdio->pages_in_io--;
- page_cache_get(sdio->cur_page);
+ get_page(sdio->cur_page);
sdio->final_block_in_bio = sdio->cur_page_block +
(sdio->cur_page_len >> sdio->blkbits);
ret = 0;
*/
if (sdio->cur_page) {
ret = dio_send_cur_page(dio, sdio, map_bh);
- page_cache_release(sdio->cur_page);
+ put_page(sdio->cur_page);
sdio->cur_page = NULL;
if (ret)
return ret;
}
- page_cache_get(page); /* It is in dio */
+ get_page(page); /* It is in dio */
sdio->cur_page = page;
sdio->cur_page_offset = offset;
sdio->cur_page_len = len;
if (sdio->boundary) {
ret = dio_send_cur_page(dio, sdio, map_bh);
dio_bio_submit(dio, sdio);
- page_cache_release(sdio->cur_page);
+ put_page(sdio->cur_page);
sdio->cur_page = NULL;
}
return ret;
ret = get_more_blocks(dio, sdio, map_bh);
if (ret) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
if (!buffer_mapped(map_bh))
/* AKPM: eargh, -ENOTBLK is a hack */
if (dio->rw & WRITE) {
- page_cache_release(page);
+ put_page(page);
return -ENOTBLK;
}
if (sdio->block_in_file >=
i_size_aligned >> blkbits) {
/* We hit eof */
- page_cache_release(page);
+ put_page(page);
goto out;
}
zero_user(page, from, 1 << blkbits);
sdio->next_block_for_io,
map_bh);
if (ret) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
sdio->next_block_for_io += this_chunk_blocks;
}
/* Drop the ref which was taken in get_user_pages() */
- page_cache_release(page);
+ put_page(page);
}
out:
return ret;
ret2 = dio_send_cur_page(dio, &sdio, &map_bh);
if (retval == 0)
retval = ret2;
- page_cache_release(sdio.cur_page);
+ put_page(sdio.cur_page);
sdio.cur_page = NULL;
}
if (sdio.bio)
con->rx_page = alloc_page(GFP_ATOMIC);
if (con->rx_page == NULL)
goto out_resched;
- cbuf_init(&con->cb, PAGE_CACHE_SIZE);
+ cbuf_init(&con->cb, PAGE_SIZE);
}
/*
* buffer and the start of the currently used section (cb.base)
*/
if (cbuf_data(&con->cb) >= con->cb.base) {
- iov[0].iov_len = PAGE_CACHE_SIZE - cbuf_data(&con->cb);
+ iov[0].iov_len = PAGE_SIZE - cbuf_data(&con->cb);
iov[1].iov_len = con->cb.base;
iov[1].iov_base = page_address(con->rx_page);
nvec = 2;
ret = dlm_process_incoming_buffer(con->nodeid,
page_address(con->rx_page),
con->cb.base, con->cb.len,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (ret == -EBADMSG) {
log_print("lowcomms: addr=%p, base=%u, len=%u, read=%d",
page_address(con->rx_page), con->cb.base,
spin_lock(&con->writequeue_lock);
e = list_entry(con->writequeue.prev, struct writequeue_entry, list);
if ((&e->list == &con->writequeue) ||
- (PAGE_CACHE_SIZE - e->end < len)) {
+ (PAGE_SIZE - e->end < len)) {
e = NULL;
} else {
offset = e->end;
pg = virt_to_page(addr);
offset = offset_in_page(addr);
sg_set_page(&sg[i], pg, 0, offset);
- remainder_of_page = PAGE_CACHE_SIZE - offset;
+ remainder_of_page = PAGE_SIZE - offset;
if (size >= remainder_of_page) {
sg[i].length = remainder_of_page;
addr += remainder_of_page;
struct page *page)
{
return ecryptfs_lower_header_size(crypt_stat) +
- ((loff_t)page->index << PAGE_CACHE_SHIFT);
+ ((loff_t)page->index << PAGE_SHIFT);
}
/**
size_t extent_size = crypt_stat->extent_size;
int rc;
- extent_base = (((loff_t)page_index) * (PAGE_CACHE_SIZE / extent_size));
+ extent_base = (((loff_t)page_index) * (PAGE_SIZE / extent_size));
rc = ecryptfs_derive_iv(extent_iv, crypt_stat,
(extent_base + extent_offset));
if (rc) {
}
for (extent_offset = 0;
- extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size);
+ extent_offset < (PAGE_SIZE / crypt_stat->extent_size);
extent_offset++) {
rc = crypt_extent(crypt_stat, enc_extent_page, page,
extent_offset, ENCRYPT);
lower_offset = lower_offset_for_page(crypt_stat, page);
enc_extent_virt = kmap(enc_extent_page);
rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
kunmap(enc_extent_page);
if (rc < 0) {
ecryptfs_printk(KERN_ERR,
lower_offset = lower_offset_for_page(crypt_stat, page);
page_virt = kmap(page);
- rc = ecryptfs_read_lower(page_virt, lower_offset, PAGE_CACHE_SIZE,
+ rc = ecryptfs_read_lower(page_virt, lower_offset, PAGE_SIZE,
ecryptfs_inode);
kunmap(page);
if (rc < 0) {
}
for (extent_offset = 0;
- extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size);
+ extent_offset < (PAGE_SIZE / crypt_stat->extent_size);
extent_offset++) {
rc = crypt_extent(crypt_stat, page, page,
extent_offset, DECRYPT);
if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
crypt_stat->metadata_size = ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
else {
- if (PAGE_CACHE_SIZE <= ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE)
+ if (PAGE_SIZE <= ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE)
crypt_stat->metadata_size =
ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
else
- crypt_stat->metadata_size = PAGE_CACHE_SIZE;
+ crypt_stat->metadata_size = PAGE_SIZE;
}
}
ECRYPTFS_VALIDATE_HEADER_SIZE);
if (rc) {
/* metadata is not in the file header, so try xattrs */
- memset(page_virt, 0, PAGE_CACHE_SIZE);
+ memset(page_virt, 0, PAGE_SIZE);
rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode);
if (rc) {
printk(KERN_DEBUG "Valid eCryptfs headers not found in "
}
out:
if (page_virt) {
- memset(page_virt, 0, PAGE_CACHE_SIZE);
+ memset(page_virt, 0, PAGE_SIZE);
kmem_cache_free(ecryptfs_header_cache, page_virt);
}
return rc;
* in which ia->ia_size is located. Fill in the end of
* that page from (ia->ia_size & ~PAGE_CACHE_MASK) to
* PAGE_CACHE_SIZE with zeros. */
- size_t num_zeros = (PAGE_CACHE_SIZE
- - (ia->ia_size & ~PAGE_CACHE_MASK));
+ size_t num_zeros = (PAGE_SIZE
+ - (ia->ia_size & ~PAGE_MASK));
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
truncate_setsize(inode, ia->ia_size);
* added the our &auth_tok_list */
next_packet_is_auth_tok_packet = 1;
while (next_packet_is_auth_tok_packet) {
- size_t max_packet_size = ((PAGE_CACHE_SIZE - 8) - i);
+ size_t max_packet_size = ((PAGE_SIZE - 8) - i);
switch (src[i]) {
case ECRYPTFS_TAG_3_PACKET_TYPE:
{
.cache = &ecryptfs_header_cache,
.name = "ecryptfs_headers",
- .size = PAGE_CACHE_SIZE,
+ .size = PAGE_SIZE,
},
{
.cache = &ecryptfs_xattr_cache,
.name = "ecryptfs_xattr_cache",
- .size = PAGE_CACHE_SIZE,
+ .size = PAGE_SIZE,
},
{
.cache = &ecryptfs_key_record_cache,
{
int rc;
- if (ECRYPTFS_DEFAULT_EXTENT_SIZE > PAGE_CACHE_SIZE) {
+ if (ECRYPTFS_DEFAULT_EXTENT_SIZE > PAGE_SIZE) {
rc = -EINVAL;
ecryptfs_printk(KERN_ERR, "The eCryptfs extent size is "
"larger than the host's page size, and so "
"default eCryptfs extent size is [%u] bytes; "
"the page size is [%lu] bytes.\n",
ECRYPTFS_DEFAULT_EXTENT_SIZE,
- (unsigned long)PAGE_CACHE_SIZE);
+ (unsigned long)PAGE_SIZE);
goto out;
}
rc = ecryptfs_init_kmem_caches();
struct ecryptfs_crypt_stat *crypt_stat)
{
loff_t extent_num_in_page = 0;
- loff_t num_extents_per_page = (PAGE_CACHE_SIZE
+ loff_t num_extents_per_page = (PAGE_SIZE
/ crypt_stat->extent_size);
int rc = 0;
char *page_virt;
page_virt = kmap_atomic(page);
- memset(page_virt, 0, PAGE_CACHE_SIZE);
+ memset(page_virt, 0, PAGE_SIZE);
/* TODO: Support more than one header extent */
if (view_extent_num == 0) {
size_t written;
- crypt_stat->metadata_size);
rc = ecryptfs_read_lower_page_segment(
- page, (lower_offset >> PAGE_CACHE_SHIFT),
- (lower_offset & ~PAGE_CACHE_MASK),
+ page, (lower_offset >> PAGE_SHIFT),
+ (lower_offset & ~PAGE_MASK),
crypt_stat->extent_size, page->mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error attempting to read "
if (!crypt_stat || !(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
rc = ecryptfs_read_lower_page_segment(page, page->index, 0,
- PAGE_CACHE_SIZE,
+ PAGE_SIZE,
page->mapping->host);
} else if (crypt_stat->flags & ECRYPTFS_VIEW_AS_ENCRYPTED) {
if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) {
} else {
rc = ecryptfs_read_lower_page_segment(
- page, page->index, 0, PAGE_CACHE_SIZE,
+ page, page->index, 0, PAGE_SIZE,
page->mapping->host);
if (rc) {
printk(KERN_ERR "Error reading page; rc = "
struct inode *inode = page->mapping->host;
int end_byte_in_page;
- if ((i_size_read(inode) / PAGE_CACHE_SIZE) != page->index)
+ if ((i_size_read(inode) / PAGE_SIZE) != page->index)
goto out;
- end_byte_in_page = i_size_read(inode) % PAGE_CACHE_SIZE;
+ end_byte_in_page = i_size_read(inode) % PAGE_SIZE;
if (to > end_byte_in_page)
end_byte_in_page = to;
- zero_user_segment(page, end_byte_in_page, PAGE_CACHE_SIZE);
+ zero_user_segment(page, end_byte_in_page, PAGE_SIZE);
out:
return 0;
}
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
loff_t prev_page_end_size;
int rc = 0;
return -ENOMEM;
*pagep = page;
- prev_page_end_size = ((loff_t)index << PAGE_CACHE_SHIFT);
+ prev_page_end_size = ((loff_t)index << PAGE_SHIFT);
if (!PageUptodate(page)) {
struct ecryptfs_crypt_stat *crypt_stat =
&ecryptfs_inode_to_private(mapping->host)->crypt_stat;
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
rc = ecryptfs_read_lower_page_segment(
- page, index, 0, PAGE_CACHE_SIZE, mapping->host);
+ page, index, 0, PAGE_SIZE, mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error attempting to read "
"lower page segment; rc = [%d]\n",
SetPageUptodate(page);
} else {
rc = ecryptfs_read_lower_page_segment(
- page, index, 0, PAGE_CACHE_SIZE,
+ page, index, 0, PAGE_SIZE,
mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error reading "
} else {
if (prev_page_end_size
>= i_size_read(page->mapping->host)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
- } else if (len < PAGE_CACHE_SIZE) {
+ } else if (len < PAGE_SIZE) {
rc = ecryptfs_decrypt_page(page);
if (rc) {
printk(KERN_ERR "%s: Error decrypting "
* of page? Zero it out. */
if ((i_size_read(mapping->host) == prev_page_end_size)
&& (pos != 0))
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
out:
if (unlikely(rc)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
*pagep = NULL;
}
return rc;
}
inode_lock(lower_inode);
size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME,
- xattr_virt, PAGE_CACHE_SIZE);
+ xattr_virt, PAGE_SIZE);
if (size < 0)
size = 8;
put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt);
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = pos >> PAGE_SHIFT;
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + copied;
struct inode *ecryptfs_inode = mapping->host;
struct ecryptfs_crypt_stat *crypt_stat =
goto out;
}
if (!PageUptodate(page)) {
- if (copied < PAGE_CACHE_SIZE) {
+ if (copied < PAGE_SIZE) {
rc = 0;
goto out;
}
rc = copied;
out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return rc;
}
loff_t offset;
int rc;
- offset = ((((loff_t)page_for_lower->index) << PAGE_CACHE_SHIFT)
+ offset = ((((loff_t)page_for_lower->index) << PAGE_SHIFT)
+ offset_in_page);
virt = kmap(page_for_lower);
rc = ecryptfs_write_lower(ecryptfs_inode, virt, offset, size);
else
pos = offset;
while (pos < (offset + size)) {
- pgoff_t ecryptfs_page_idx = (pos >> PAGE_CACHE_SHIFT);
- size_t start_offset_in_page = (pos & ~PAGE_CACHE_MASK);
- size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page);
+ pgoff_t ecryptfs_page_idx = (pos >> PAGE_SHIFT);
+ size_t start_offset_in_page = (pos & ~PAGE_MASK);
+ size_t num_bytes = (PAGE_SIZE - start_offset_in_page);
loff_t total_remaining_bytes = ((offset + size) - pos);
if (fatal_signal_pending(current)) {
* Fill in zero values to the end of the page */
memset(((char *)ecryptfs_page_virt
+ start_offset_in_page), 0,
- PAGE_CACHE_SIZE - start_offset_in_page);
+ PAGE_SIZE - start_offset_in_page);
}
/* pos >= offset, we are now writing the data request */
ecryptfs_page,
start_offset_in_page,
data_offset);
- page_cache_release(ecryptfs_page);
+ put_page(ecryptfs_page);
if (rc) {
printk(KERN_ERR "%s: Error encrypting "
"page; rc = [%d]\n", __func__, rc);
loff_t offset;
int rc;
- offset = ((((loff_t)page_index) << PAGE_CACHE_SHIFT) + offset_in_page);
+ offset = ((((loff_t)page_index) << PAGE_SHIFT) + offset_in_page);
virt = kmap(page_for_ecryptfs);
rc = ecryptfs_read_lower(virt, offset, size, ecryptfs_inode);
if (rc > 0)
efivarfs_sb = sb;
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = EFIVARFS_MAGIC;
sb->s_op = &efivarfs_ops;
sb->s_d_op = &efivarfs_d_ops;
static inline void exofs_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
static unsigned exofs_last_byte(struct inode *inode, unsigned long page_nr)
{
loff_t last_byte = inode->i_size;
- last_byte -= page_nr << PAGE_CACHE_SHIFT;
- if (last_byte > PAGE_CACHE_SIZE)
- last_byte = PAGE_CACHE_SIZE;
+ last_byte -= page_nr << PAGE_SHIFT;
+ if (last_byte > PAGE_SIZE)
+ last_byte = PAGE_SIZE;
return last_byte;
}
unsigned chunk_size = exofs_chunk_size(dir);
char *kaddr = page_address(page);
unsigned offs, rec_len;
- unsigned limit = PAGE_CACHE_SIZE;
+ unsigned limit = PAGE_SIZE;
struct exofs_dir_entry *p;
char *error;
/* if the page is the last one in the directory */
- if ((dir->i_size >> PAGE_CACHE_SHIFT) == page->index) {
- limit = dir->i_size & ~PAGE_CACHE_MASK;
+ if ((dir->i_size >> PAGE_SHIFT) == page->index) {
+ limit = dir->i_size & ~PAGE_MASK;
if (limit & (chunk_size - 1))
goto Ebadsize;
if (!limit)
EXOFS_ERR(
"ERROR [exofs_check_page]: bad entry in directory(0x%lx): %s - "
"offset=%lu, inode=0x%llu, rec_len=%d, name_len=%d\n",
- dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, error, (page->index<<PAGE_SHIFT)+offs,
_LLU(le64_to_cpu(p->inode_no)),
rec_len, p->name_len);
goto fail;
EXOFS_ERR("ERROR [exofs_check_page]: "
"entry in directory(0x%lx) spans the page boundary"
"offset=%lu, inode=0x%llx\n",
- dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, (page->index<<PAGE_SHIFT)+offs,
_LLU(le64_to_cpu(p->inode_no)));
fail:
SetPageChecked(page);
{
loff_t pos = ctx->pos;
struct inode *inode = file_inode(file);
- unsigned int offset = pos & ~PAGE_CACHE_MASK;
- unsigned long n = pos >> PAGE_CACHE_SHIFT;
+ unsigned int offset = pos & ~PAGE_MASK;
+ unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(exofs_chunk_size(inode)-1);
int need_revalidate = (file->f_version != inode->i_version);
if (IS_ERR(page)) {
EXOFS_ERR("ERROR: bad page in directory(0x%lx)\n",
inode->i_ino);
- ctx->pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_SIZE - offset;
return PTR_ERR(page);
}
kaddr = page_address(page);
if (offset) {
offset = exofs_validate_entry(kaddr, offset,
chunk_mask);
- ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset;
+ ctx->pos = (n<<PAGE_SHIFT) + offset;
}
file->f_version = inode->i_version;
need_revalidate = 0;
kaddr = page_address(page);
dir_end = kaddr + exofs_last_byte(dir, n);
de = (struct exofs_dir_entry *)kaddr;
- kaddr += PAGE_CACHE_SIZE - reclen;
+ kaddr += PAGE_SIZE - reclen;
while ((char *)de <= kaddr) {
if ((char *)de == dir_end) {
name_len = 0;
kunmap_atomic(kaddr);
err = exofs_commit_chunk(page, 0, chunk_size);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
if (!pcol->ios) {
int ret = ore_get_rw_state(&pcol->sbi->layout, &oi->oc, true,
- pcol->pg_first << PAGE_CACHE_SHIFT,
+ pcol->pg_first << PAGE_SHIFT,
pcol->length, &pcol->ios);
if (ret)
struct inode *inode = pcol->inode;
struct exofs_i_info *oi = exofs_i(inode);
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
size_t len;
int ret;
pcol->that_locked_page = page;
if (page->index < end_index)
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
else if (page->index == end_index)
- len = i_size & ~PAGE_CACHE_MASK;
+ len = i_size & ~PAGE_MASK;
else
len = 0;
goto fail;
}
- if (len != PAGE_CACHE_SIZE)
- zero_user(page, len, PAGE_CACHE_SIZE - len);
+ if (len != PAGE_SIZE)
+ zero_user(page, len, PAGE_SIZE - len);
EXOFS_DBGMSG2(" readpage_strip(0x%lx, 0x%lx) len=0x%zx\n",
inode->i_ino, page->index, len);
if ((pcol->that_locked_page != page) && (ZERO_PAGE(0) != page)) {
EXOFS_DBGMSG2("index=0x%lx\n", page->index);
- page_cache_release(page);
+ put_page(page);
return;
}
EXOFS_DBGMSG2("that_locked_page index=0x%lx\n",
BUG_ON(pcol->ios);
ret = ore_get_rw_state(&pcol->sbi->layout, &oi->oc, false,
- pcol->pg_first << PAGE_CACHE_SHIFT,
+ pcol->pg_first << PAGE_SHIFT,
pcol->length, &pcol->ios);
if (unlikely(ret))
goto err;
struct inode *inode = pcol->inode;
struct exofs_i_info *oi = exofs_i(inode);
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
size_t len;
int ret;
if (page->index < end_index)
/* in this case, the page is within the limits of the file */
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
else {
- len = i_size & ~PAGE_CACHE_MASK;
+ len = i_size & ~PAGE_MASK;
if (page->index > end_index || !len) {
/* in this case, the page is outside the limits
long start, end, expected_pages;
int ret;
- start = wbc->range_start >> PAGE_CACHE_SHIFT;
+ start = wbc->range_start >> PAGE_SHIFT;
end = (wbc->range_end == LLONG_MAX) ?
start + mapping->nrpages :
- wbc->range_end >> PAGE_CACHE_SHIFT;
+ wbc->range_end >> PAGE_SHIFT;
if (start || end)
expected_pages = end - start + 1;
}
/* read modify write */
- if (!PageUptodate(page) && (len != PAGE_CACHE_SIZE)) {
+ if (!PageUptodate(page) && (len != PAGE_SIZE)) {
loff_t i_size = i_size_read(mapping->host);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
size_t rlen;
if (page->index < end_index)
- rlen = PAGE_CACHE_SIZE;
+ rlen = PAGE_SIZE;
else if (page->index == end_index)
- rlen = i_size & ~PAGE_CACHE_MASK;
+ rlen = i_size & ~PAGE_MASK;
else
rlen = 0;
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
return err;
}
static inline void ext2_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
/*
{
unsigned last_byte = inode->i_size;
- last_byte -= page_nr << PAGE_CACHE_SHIFT;
- if (last_byte > PAGE_CACHE_SIZE)
- last_byte = PAGE_CACHE_SIZE;
+ last_byte -= page_nr << PAGE_SHIFT;
+ if (last_byte > PAGE_SIZE)
+ last_byte = PAGE_SIZE;
return last_byte;
}
char *kaddr = page_address(page);
u32 max_inumber = le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count);
unsigned offs, rec_len;
- unsigned limit = PAGE_CACHE_SIZE;
+ unsigned limit = PAGE_SIZE;
ext2_dirent *p;
char *error;
- if ((dir->i_size >> PAGE_CACHE_SHIFT) == page->index) {
- limit = dir->i_size & ~PAGE_CACHE_MASK;
+ if ((dir->i_size >> PAGE_SHIFT) == page->index) {
+ limit = dir->i_size & ~PAGE_MASK;
if (limit & (chunk_size - 1))
goto Ebadsize;
if (!limit)
if (!quiet)
ext2_error(sb, __func__, "bad entry in directory #%lu: : %s - "
"offset=%lu, inode=%lu, rec_len=%d, name_len=%d",
- dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, error, (page->index<<PAGE_SHIFT)+offs,
(unsigned long) le32_to_cpu(p->inode),
rec_len, p->name_len);
goto fail;
ext2_error(sb, "ext2_check_page",
"entry in directory #%lu spans the page boundary"
"offset=%lu, inode=%lu",
- dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, (page->index<<PAGE_SHIFT)+offs,
(unsigned long) le32_to_cpu(p->inode));
}
fail:
loff_t pos = ctx->pos;
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
- unsigned int offset = pos & ~PAGE_CACHE_MASK;
- unsigned long n = pos >> PAGE_CACHE_SHIFT;
+ unsigned int offset = pos & ~PAGE_MASK;
+ unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(ext2_chunk_size(inode)-1);
unsigned char *types = NULL;
ext2_error(sb, __func__,
"bad page in #%lu",
inode->i_ino);
- ctx->pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_SIZE - offset;
return PTR_ERR(page);
}
kaddr = page_address(page);
if (unlikely(need_revalidate)) {
if (offset) {
offset = ext2_validate_entry(kaddr, offset, chunk_mask);
- ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset;
+ ctx->pos = (n<<PAGE_SHIFT) + offset;
}
file->f_version = inode->i_version;
need_revalidate = 0;
if (++n >= npages)
n = 0;
/* next page is past the blocks we've got */
- if (unlikely(n > (dir->i_blocks >> (PAGE_CACHE_SHIFT - 9)))) {
+ if (unlikely(n > (dir->i_blocks >> (PAGE_SHIFT - 9)))) {
ext2_error(dir->i_sb, __func__,
"dir %lu size %lld exceeds block count %llu",
dir->i_ino, dir->i_size,
kaddr = page_address(page);
dir_end = kaddr + ext2_last_byte(dir, n);
de = (ext2_dirent *)kaddr;
- kaddr += PAGE_CACHE_SIZE - reclen;
+ kaddr += PAGE_SIZE - reclen;
while ((char *)de <= kaddr) {
if ((char *)de == dir_end) {
/* We hit i_size */
kunmap_atomic(kaddr);
err = ext2_commit_chunk(page, 0, chunk_size);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
ext2_set_link(old_inode, dir_de, dir_page, new_dir, 0);
else {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
inode_dec_link_count(old_dir);
}
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
return err;
}
EXT4_XTS_TWEAK_SIZE - sizeof(index));
sg_init_table(&dst, 1);
- sg_set_page(&dst, dest_page, PAGE_CACHE_SIZE, 0);
+ sg_set_page(&dst, dest_page, PAGE_SIZE, 0);
sg_init_table(&src, 1);
- sg_set_page(&src, src_page, PAGE_CACHE_SIZE, 0);
- skcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE,
+ sg_set_page(&src, src_page, PAGE_SIZE, 0);
+ skcipher_request_set_crypt(req, &src, &dst, PAGE_SIZE,
xts_tweak);
if (rw == EXT4_DECRYPT)
res = crypto_skcipher_decrypt(req);
(unsigned long) inode->i_ino, lblk, len);
#endif
- BUG_ON(inode->i_sb->s_blocksize != PAGE_CACHE_SIZE);
+ BUG_ON(inode->i_sb->s_blocksize != PAGE_SIZE);
ctx = ext4_get_crypto_ctx(inode);
if (IS_ERR(ctx))
err = ext4_map_blocks(NULL, inode, &map, 0);
if (err > 0) {
pgoff_t index = map.m_pblk >>
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
if (!ra_has_index(&file->f_ra, index))
page_cache_sync_readahead(
sb->s_bdev->bd_inode->i_mapping,
&file->f_ra, file,
index, 1);
- file->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;
+ file->f_ra.prev_pos = (loff_t)index << PAGE_SHIFT;
bh = ext4_bread(NULL, inode, map.m_lblk, 0);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
lastoff = startoff;
endoff = (loff_t)end_blk << blkbits;
- index = startoff >> PAGE_CACHE_SHIFT;
- end = endoff >> PAGE_CACHE_SHIFT;
+ index = startoff >> PAGE_SHIFT;
+ end = endoff >> PAGE_SHIFT;
pagevec_init(&pvec, 0);
do {
ret = ext4_read_inline_data(inode, kaddr, len, &iloc);
flush_dcache_page(page);
kunmap_atomic(kaddr);
- zero_user_segment(page, len, PAGE_CACHE_SIZE);
+ zero_user_segment(page, len, PAGE_SIZE);
SetPageUptodate(page);
brelse(iloc.bh);
if (!page->index)
ret = ext4_read_inline_page(inode, page);
else if (!PageUptodate(page)) {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
}
if (ret) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
ext4_orphan_add(handle, inode);
up_write(&EXT4_I(inode)->xattr_sem);
out:
if (page) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
if (sem_held)
up_write(&EXT4_I(inode)->xattr_sem);
if (!ext4_has_inline_data(inode)) {
ret = 0;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto out_up_read;
}
if (ret) {
up_read(&EXT4_I(inode)->xattr_sem);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ext4_truncate_failed_write(inode);
return ret;
}
up_read(&EXT4_I(inode)->xattr_sem);
if (page) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return ret;
}
out_release_page:
up_read(&EXT4_I(inode)->xattr_sem);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out_journal:
ext4_journal_stop(handle);
out:
i_size_changed = 1;
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
/*
* Don't mark the inode dirty under page lock. First, it unnecessarily
static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
get_block_t *get_block)
{
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + len;
struct inode *inode = page->mapping->host;
unsigned block_start, block_end;
bool decrypt = false;
BUG_ON(!PageLocked(page));
- BUG_ON(from > PAGE_CACHE_SIZE);
- BUG_ON(to > PAGE_CACHE_SIZE);
+ BUG_ON(from > PAGE_SIZE);
+ BUG_ON(to > PAGE_SIZE);
BUG_ON(from > to);
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);
head = page_buffers(page);
bbits = ilog2(blocksize);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - bbits);
for (bh = head, block_start = 0; bh != head || !block_start;
block++, block_start = block_end, bh = bh->b_this_page) {
* we allocate blocks but write fails for some reason
*/
needed_blocks = ext4_writepage_trans_blocks(inode) + 1;
- index = pos >> PAGE_CACHE_SHIFT;
- from = pos & (PAGE_CACHE_SIZE - 1);
+ index = pos >> PAGE_SHIFT;
+ from = pos & (PAGE_SIZE - 1);
to = from + len;
if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
retry_journal:
handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, needed_blocks);
if (IS_ERR(handle)) {
- page_cache_release(page);
+ put_page(page);
return PTR_ERR(handle);
}
if (page->mapping != mapping) {
/* The page got truncated from under us */
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ext4_journal_stop(handle);
goto retry_grab;
}
if (ret == -ENOSPC &&
ext4_should_retry_alloc(inode->i_sb, &retries))
goto retry_journal;
- page_cache_release(page);
+ put_page(page);
return ret;
}
*pagep = page;
ret = ext4_jbd2_file_inode(handle, inode);
if (ret) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto errout;
}
}
*/
i_size_changed = ext4_update_inode_size(inode, pos + copied);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
int size_changed = 0;
trace_ext4_journalled_write_end(inode, pos, len, copied);
- from = pos & (PAGE_CACHE_SIZE - 1);
+ from = pos & (PAGE_SIZE - 1);
to = from + len;
BUG_ON(!ext4_handle_valid(handle));
ext4_set_inode_state(inode, EXT4_STATE_JDATA);
EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
int num_clusters;
ext4_fsblk_t lblk;
- BUG_ON(stop > PAGE_CACHE_SIZE || stop < length);
+ BUG_ON(stop > PAGE_SIZE || stop < length);
head = page_buffers(page);
bh = head;
clear_buffer_delay(bh);
} else if (contiguous_blks) {
lblk = page->index <<
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
lblk += (curr_off >> inode->i_blkbits) -
contiguous_blks;
ext4_es_remove_extent(inode, lblk, contiguous_blks);
} while ((bh = bh->b_this_page) != head);
if (contiguous_blks) {
- lblk = page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ lblk = page->index << (PAGE_SHIFT - inode->i_blkbits);
lblk += (curr_off >> inode->i_blkbits) - contiguous_blks;
ext4_es_remove_extent(inode, lblk, contiguous_blks);
}
* need to release the reserved space for that cluster. */
num_clusters = EXT4_NUM_B2C(sbi, to_release);
while (num_clusters > 0) {
- lblk = (page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits)) +
+ lblk = (page->index << (PAGE_SHIFT - inode->i_blkbits)) +
((num_clusters - 1) << sbi->s_cluster_bits);
if (sbi->s_cluster_ratio == 1 ||
!ext4_find_delalloc_cluster(inode, lblk))
end = mpd->next_page - 1;
if (invalidate) {
ext4_lblk_t start, last;
- start = index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
- last = end << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ start = index << (PAGE_SHIFT - inode->i_blkbits);
+ last = end << (PAGE_SHIFT - inode->i_blkbits);
ext4_es_remove_extent(inode, start, last - start + 1);
}
BUG_ON(!PageLocked(page));
BUG_ON(PageWriteback(page));
if (invalidate) {
- block_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ block_invalidatepage(page, 0, PAGE_SIZE);
ClearPageUptodate(page);
}
unlock_page(page);
trace_ext4_writepage(page);
size = i_size_read(inode);
- if (page->index == size >> PAGE_CACHE_SHIFT)
- len = size & ~PAGE_CACHE_MASK;
+ if (page->index == size >> PAGE_SHIFT)
+ len = size & ~PAGE_MASK;
else
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
page_bufs = page_buffers(page);
/*
ext4_bh_delay_or_unwritten)) {
redirty_page_for_writepage(wbc, page);
if ((current->flags & PF_MEMALLOC) ||
- (inode->i_sb->s_blocksize == PAGE_CACHE_SIZE)) {
+ (inode->i_sb->s_blocksize == PAGE_SIZE)) {
/*
* For memory cleaning there's no point in writing only
* some buffers. So just bail out. Warn if we came here
int err;
BUG_ON(page->index != mpd->first_page);
- if (page->index == size >> PAGE_CACHE_SHIFT)
- len = size & ~PAGE_CACHE_MASK;
+ if (page->index == size >> PAGE_SHIFT)
+ len = size & ~PAGE_MASK;
else
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
clear_page_dirty_for_io(page);
err = ext4_bio_write_page(&mpd->io_submit, page, len, mpd->wbc, false);
if (!err)
int nr_pages, i;
struct inode *inode = mpd->inode;
struct buffer_head *head, *bh;
- int bpp_bits = PAGE_CACHE_SHIFT - inode->i_blkbits;
+ int bpp_bits = PAGE_SHIFT - inode->i_blkbits;
pgoff_t start, end;
ext4_lblk_t lblk;
sector_t pblock;
* supports blocksize < pagesize as we will try to
* convert potentially unmapped parts of inode.
*/
- mpd->io_submit.io_end->size += PAGE_CACHE_SIZE;
+ mpd->io_submit.io_end->size += PAGE_SIZE;
/* Page fully mapped - let IO run! */
err = mpage_submit_page(mpd, page);
if (err < 0) {
* Update on-disk size after IO is submitted. Races with
* truncate are avoided by checking i_size under i_data_sem.
*/
- disksize = ((loff_t)mpd->first_page) << PAGE_CACHE_SHIFT;
+ disksize = ((loff_t)mpd->first_page) << PAGE_SHIFT;
if (disksize > EXT4_I(inode)->i_disksize) {
int err2;
loff_t i_size;
mpd->next_page = page->index + 1;
/* Add all dirty buffers to mpd */
lblk = ((ext4_lblk_t)page->index) <<
- (PAGE_CACHE_SHIFT - blkbits);
+ (PAGE_SHIFT - blkbits);
head = page_buffers(page);
err = mpage_process_page_bufs(mpd, head, head, lblk);
if (err <= 0)
* We may need to convert up to one extent per block in
* the page and we may dirty the inode.
*/
- rsv_blocks = 1 + (PAGE_CACHE_SIZE >> inode->i_blkbits);
+ rsv_blocks = 1 + (PAGE_SIZE >> inode->i_blkbits);
}
/*
mpd.first_page = writeback_index;
mpd.last_page = -1;
} else {
- mpd.first_page = wbc->range_start >> PAGE_CACHE_SHIFT;
- mpd.last_page = wbc->range_end >> PAGE_CACHE_SHIFT;
+ mpd.first_page = wbc->range_start >> PAGE_SHIFT;
+ mpd.last_page = wbc->range_end >> PAGE_SHIFT;
}
mpd.inode = inode;
struct inode *inode = mapping->host;
handle_t *handle;
- index = pos >> PAGE_CACHE_SHIFT;
+ index = pos >> PAGE_SHIFT;
if (ext4_nonda_switch(inode->i_sb)) {
*fsdata = (void *)FALL_BACK_TO_NONDELALLOC;
handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,
ext4_da_write_credits(inode, pos, len));
if (IS_ERR(handle)) {
- page_cache_release(page);
+ put_page(page);
return PTR_ERR(handle);
}
if (page->mapping != mapping) {
/* The page got truncated from under us */
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ext4_journal_stop(handle);
goto retry_grab;
}
ext4_should_retry_alloc(inode->i_sb, &retries))
goto retry_journal;
- page_cache_release(page);
+ put_page(page);
return ret;
}
len, copied, page, fsdata);
trace_ext4_da_write_end(inode, pos, len, copied);
- start = pos & (PAGE_CACHE_SIZE - 1);
+ start = pos & (PAGE_SIZE - 1);
end = start + copied - 1;
/*
/*
* If it's a full truncate we just forget about the pending dirtying
*/
- if (offset == 0 && length == PAGE_CACHE_SIZE)
+ if (offset == 0 && length == PAGE_SIZE)
ClearPageChecked(page);
return jbd2_journal_invalidatepage(journal, page, offset, length);
static int __ext4_block_zero_page_range(handle_t *handle,
struct address_space *mapping, loff_t from, loff_t length)
{
- ext4_fsblk_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ ext4_fsblk_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize, pos;
ext4_lblk_t iblock;
struct inode *inode = mapping->host;
struct page *page;
int err = 0;
- page = find_or_create_page(mapping, from >> PAGE_CACHE_SHIFT,
+ page = find_or_create_page(mapping, from >> PAGE_SHIFT,
mapping_gfp_constraint(mapping, ~__GFP_FS));
if (!page)
return -ENOMEM;
blocksize = inode->i_sb->s_blocksize;
- iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
+ iblock = index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits);
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);
ext4_encrypted_inode(inode)) {
/* We expect the key to be set. */
BUG_ON(!ext4_has_encryption_key(inode));
- BUG_ON(blocksize != PAGE_CACHE_SIZE);
+ BUG_ON(blocksize != PAGE_SIZE);
WARN_ON_ONCE(ext4_decrypt(page));
}
}
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
struct address_space *mapping, loff_t from, loff_t length)
{
struct inode *inode = mapping->host;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize = inode->i_sb->s_blocksize;
unsigned max = blocksize - (offset & (blocksize - 1));
static int ext4_block_truncate_page(handle_t *handle,
struct address_space *mapping, loff_t from)
{
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned length;
unsigned blocksize;
struct inode *inode = mapping->host;
*/
if (offset + length > inode->i_size) {
length = inode->i_size +
- PAGE_CACHE_SIZE - (inode->i_size & (PAGE_CACHE_SIZE - 1)) -
+ PAGE_SIZE - (inode->i_size & (PAGE_SIZE - 1)) -
offset;
}
tid_t commit_tid = 0;
int ret;
- offset = inode->i_size & (PAGE_CACHE_SIZE - 1);
+ offset = inode->i_size & (PAGE_SIZE - 1);
/*
* All buffers in the last page remain valid? Then there's nothing to
* do. We do the check mainly to optimize the common PAGE_CACHE_SIZE ==
* blocksize case
*/
- if (offset > PAGE_CACHE_SIZE - (1 << inode->i_blkbits))
+ if (offset > PAGE_SIZE - (1 << inode->i_blkbits))
return;
while (1) {
page = find_lock_page(inode->i_mapping,
- inode->i_size >> PAGE_CACHE_SHIFT);
+ inode->i_size >> PAGE_SHIFT);
if (!page)
return;
ret = __ext4_journalled_invalidatepage(page, offset,
- PAGE_CACHE_SIZE - offset);
+ PAGE_SIZE - offset);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (ret != -EBUSY)
return;
commit_tid = 0;
goto out;
}
- if (page->index == size >> PAGE_CACHE_SHIFT)
- len = size & ~PAGE_CACHE_MASK;
+ if (page->index == size >> PAGE_SHIFT)
+ len = size & ~PAGE_MASK;
else
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
/*
* Return if we have all the buffers mapped. This avoids the need to do
* journal_start/journal_stop which can block and take a long time
ret = block_page_mkwrite(vma, vmf, get_block);
if (!ret && ext4_should_journal_data(inode)) {
if (ext4_walk_page_buffers(handle, page_buffers(page), 0,
- PAGE_CACHE_SIZE, NULL, do_journal_get_write_access)) {
+ PAGE_SIZE, NULL, do_journal_get_write_access)) {
unlock_page(page);
ret = VM_FAULT_SIGBUS;
ext4_journal_stop(handle);
sb = inode->i_sb;
ngroups = ext4_get_groups_count(sb);
blocksize = 1 << inode->i_blkbits;
- blocks_per_page = PAGE_CACHE_SIZE / blocksize;
+ blocks_per_page = PAGE_SIZE / blocksize;
groups_per_page = blocks_per_page >> 1;
if (groups_per_page == 0)
e4b->bd_buddy_page = NULL;
e4b->bd_bitmap_page = NULL;
- blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
+ blocks_per_page = PAGE_SIZE / sb->s_blocksize;
/*
* the buddy cache inode stores the block bitmap
* and buddy information in consecutive blocks.
{
if (e4b->bd_bitmap_page) {
unlock_page(e4b->bd_bitmap_page);
- page_cache_release(e4b->bd_bitmap_page);
+ put_page(e4b->bd_bitmap_page);
}
if (e4b->bd_buddy_page) {
unlock_page(e4b->bd_buddy_page);
- page_cache_release(e4b->bd_buddy_page);
+ put_page(e4b->bd_buddy_page);
}
}
might_sleep();
mb_debug(1, "load group %u\n", group);
- blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
+ blocks_per_page = PAGE_SIZE / sb->s_blocksize;
grp = ext4_get_group_info(sb, group);
e4b->bd_blkbits = sb->s_blocksize_bits;
* is yet to initialize the same. So
* wait for it to initialize.
*/
- page_cache_release(page);
+ put_page(page);
page = find_or_create_page(inode->i_mapping, pnum, gfp);
if (page) {
BUG_ON(page->mapping != inode->i_mapping);
page = find_get_page_flags(inode->i_mapping, pnum, FGP_ACCESSED);
if (page == NULL || !PageUptodate(page)) {
if (page)
- page_cache_release(page);
+ put_page(page);
page = find_or_create_page(inode->i_mapping, pnum, gfp);
if (page) {
BUG_ON(page->mapping != inode->i_mapping);
err:
if (page)
- page_cache_release(page);
+ put_page(page);
if (e4b->bd_bitmap_page)
- page_cache_release(e4b->bd_bitmap_page);
+ put_page(e4b->bd_bitmap_page);
if (e4b->bd_buddy_page)
- page_cache_release(e4b->bd_buddy_page);
+ put_page(e4b->bd_buddy_page);
e4b->bd_buddy = NULL;
e4b->bd_bitmap = NULL;
return ret;
static void ext4_mb_unload_buddy(struct ext4_buddy *e4b)
{
if (e4b->bd_bitmap_page)
- page_cache_release(e4b->bd_bitmap_page);
+ put_page(e4b->bd_bitmap_page);
if (e4b->bd_buddy_page)
- page_cache_release(e4b->bd_buddy_page);
+ put_page(e4b->bd_buddy_page);
}
/* No more items in the per group rb tree
* balance refcounts from ext4_mb_free_metadata()
*/
- page_cache_release(e4b.bd_buddy_page);
- page_cache_release(e4b.bd_bitmap_page);
+ put_page(e4b.bd_buddy_page);
+ put_page(e4b.bd_bitmap_page);
}
ext4_unlock_group(sb, entry->efd_group);
kmem_cache_free(ext4_free_data_cachep, entry);
ext4_mb_put_pa(ac, ac->ac_sb, pa);
}
if (ac->ac_bitmap_page)
- page_cache_release(ac->ac_bitmap_page);
+ put_page(ac->ac_bitmap_page);
if (ac->ac_buddy_page)
- page_cache_release(ac->ac_buddy_page);
+ put_page(ac->ac_buddy_page);
if (ac->ac_flags & EXT4_MB_HINT_GROUP_ALLOC)
mutex_unlock(&ac->ac_lg->lg_mutex);
ext4_mb_collect_stats(ac);
* otherwise we'll refresh it from
* on-disk bitmap and lose not-yet-available
* blocks */
- page_cache_get(e4b->bd_buddy_page);
- page_cache_get(e4b->bd_bitmap_page);
+ get_page(e4b->bd_buddy_page);
+ get_page(e4b->bd_bitmap_page);
}
while (*n) {
parent = *n;
page[1] = grab_cache_page_write_begin(mapping[1], index2, fl);
if (!page[1]) {
unlock_page(page[0]);
- page_cache_release(page[0]);
+ put_page(page[0]);
return -ENOMEM;
}
/*
create_empty_buffers(page, blocksize, 0);
head = page_buffers(page);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - inode->i_blkbits);
for (bh = head, block_start = 0; bh != head || !block_start;
block++, block_start = block_end, bh = bh->b_this_page) {
block_end = block_start + blocksize;
int i, err2, jblocks, retries = 0;
int replaced_count = 0;
int from = data_offset_in_page << orig_inode->i_blkbits;
- int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits;
+ int blocks_per_page = PAGE_SIZE >> orig_inode->i_blkbits;
struct super_block *sb = orig_inode->i_sb;
struct buffer_head *bh = NULL;
unlock_pages:
unlock_page(pagep[0]);
- page_cache_release(pagep[0]);
+ put_page(pagep[0]);
unlock_page(pagep[1]);
- page_cache_release(pagep[1]);
+ put_page(pagep[1]);
stop_journal:
ext4_journal_stop(handle);
if (*err == -ENOSPC &&
struct inode *orig_inode = file_inode(o_filp);
struct inode *donor_inode = file_inode(d_filp);
struct ext4_ext_path *path = NULL;
- int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits;
+ int blocks_per_page = PAGE_SIZE >> orig_inode->i_blkbits;
ext4_lblk_t o_end, o_start = orig_blk;
ext4_lblk_t d_start = donor_blk;
int ret;
if (o_end - o_start < cur_len)
cur_len = o_end - o_start;
- orig_page_index = o_start >> (PAGE_CACHE_SHIFT -
+ orig_page_index = o_start >> (PAGE_SHIFT -
orig_inode->i_blkbits);
- donor_page_index = d_start >> (PAGE_CACHE_SHIFT -
+ donor_page_index = d_start >> (PAGE_SHIFT -
donor_inode->i_blkbits);
offset_in_page = o_start % blocks_per_page;
if (cur_len > blocks_per_page- offset_in_page)
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- if (len < PAGE_CACHE_SIZE)
- zero_user_segment(page, len, PAGE_CACHE_SIZE);
+ if (len < PAGE_SIZE)
+ zero_user_segment(page, len, PAGE_SIZE);
/*
* In the first loop we prepare and mark buffers to submit. We have to
* mark all buffers in the page before submitting so that
struct inode *inode = mapping->host;
const unsigned blkbits = inode->i_blkbits;
- const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;
+ const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
const unsigned blocksize = 1 << blkbits;
sector_t block_in_file;
sector_t last_block;
if (page_has_buffers(page))
goto confused;
- block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);
+ block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);
last_block = block_in_file + nr_pages * blocks_per_page;
last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;
if (last_block > last_block_in_file)
set_error_page:
SetPageError(page);
zero_user_segment(page, 0,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
unlock_page(page);
goto next_page;
}
}
if (first_hole != blocks_per_page) {
zero_user_segment(page, first_hole << blkbits,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (first_hole == 0) {
SetPageUptodate(page);
unlock_page(page);
unlock_page(page);
next_page:
if (pages)
- page_cache_release(page);
+ put_page(page);
}
BUG_ON(pages && !list_empty(pages));
if (bio)
int blocksize =
BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
- if (blocksize < PAGE_CACHE_SIZE) {
+ if (blocksize < PAGE_SIZE) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"dioread_nolock if block size != PAGE_SIZE");
return 0;
}
if ((DUMMY_ENCRYPTION_ENABLED(sbi) || ext4_has_feature_encrypt(sb)) &&
- (blocksize != PAGE_CACHE_SIZE)) {
+ (blocksize != PAGE_SIZE)) {
ext4_msg(sb, KERN_ERR,
"Unsupported blocksize for fs encryption");
goto failed_mount_wq;
if (res <= plen)
paddr[res] = '\0';
if (cpage)
- page_cache_release(cpage);
+ put_page(cpage);
set_delayed_call(done, kfree_link, paddr);
return paddr;
errout:
if (cpage)
- page_cache_release(cpage);
+ put_page(cpage);
kfree(paddr);
return ERR_PTR(res);
}
/* Allocate a new bio */
bio = __bio_alloc(fio->sbi, fio->new_blkaddr, 1, is_read_io(fio->rw));
- if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) {
+ if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
bio_put(bio);
return -EFAULT;
}
bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
- if (bio_add_page(io->bio, bio_page, PAGE_CACHE_SIZE, 0) <
- PAGE_CACHE_SIZE) {
+ if (bio_add_page(io->bio, bio_page, PAGE_SIZE, 0) <
+ PAGE_SIZE) {
__submit_merged_bio(io);
goto alloc_new;
}
* see, f2fs_add_link -> get_new_data_page -> init_inode_metadata.
*/
if (dn.data_blkaddr == NEW_ADDR) {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
unlock_page(page);
return page;
goto got_it;
if (dn.data_blkaddr == NEW_ADDR) {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
} else {
f2fs_put_page(page, 1);
}
got_it:
if (new_i_size && i_size_read(inode) <
- ((loff_t)(index + 1) << PAGE_CACHE_SHIFT)) {
- i_size_write(inode, ((loff_t)(index + 1) << PAGE_CACHE_SHIFT));
+ ((loff_t)(index + 1) << PAGE_SHIFT)) {
+ i_size_write(inode, ((loff_t)(index + 1) << PAGE_SHIFT));
/* Only the directory inode sets new_i_size */
set_inode_flag(F2FS_I(inode), FI_UPDATE_DIR);
}
/* update i_size */
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
dn->ofs_in_node;
- if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_CACHE_SHIFT))
+ if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_SHIFT))
i_size_write(dn->inode,
- ((loff_t)(fofs + 1) << PAGE_CACHE_SHIFT));
+ ((loff_t)(fofs + 1) << PAGE_SHIFT));
return 0;
}
goto confused;
}
} else {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
unlock_page(page);
goto next_page;
goto next_page;
set_error_page:
SetPageError(page);
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
unlock_page(page);
goto next_page;
confused:
unlock_page(page);
next_page:
if (pages)
- page_cache_release(page);
+ put_page(page);
}
BUG_ON(pages && !list_empty(pages));
if (bio)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
loff_t i_size = i_size_read(inode);
const pgoff_t end_index = ((unsigned long long) i_size)
- >> PAGE_CACHE_SHIFT;
+ >> PAGE_SHIFT;
unsigned offset = 0;
bool need_balance_fs = false;
int err = 0;
* If the offset is out-of-range of file size,
* this page does not have to be written to disk.
*/
- offset = i_size & (PAGE_CACHE_SIZE - 1);
+ offset = i_size & (PAGE_SIZE - 1);
if ((page->index >= end_index + 1) || !offset)
goto out;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
write:
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
cycled = 0;
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = 1;
cycled = 1; /* ignore range_cyclic tests */
* the block addresses when there is no need to fill the page.
*/
if (!f2fs_has_inline_data(inode) && !f2fs_encrypted_inode(inode) &&
- len == PAGE_CACHE_SIZE)
+ len == PAGE_SIZE)
return 0;
if (f2fs_has_inline_data(inode) ||
- (pos & PAGE_CACHE_MASK) >= i_size_read(inode)) {
+ (pos & PAGE_MASK) >= i_size_read(inode)) {
f2fs_lock_op(sbi);
locked = true;
}
struct inode *inode = mapping->host;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct page *page = NULL;
- pgoff_t index = ((unsigned long long) pos) >> PAGE_CACHE_SHIFT;
+ pgoff_t index = ((unsigned long long) pos) >> PAGE_SHIFT;
bool need_balance = false;
block_t blkaddr = NULL_ADDR;
int err = 0;
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
f2fs_wait_on_encrypted_page_writeback(sbi, blkaddr);
- if (len == PAGE_CACHE_SIZE)
+ if (len == PAGE_SIZE)
goto out_update;
if (PageUptodate(page))
goto out_clear;
- if ((pos & PAGE_CACHE_MASK) >= i_size_read(inode)) {
- unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+ if ((pos & PAGE_MASK) >= i_size_read(inode)) {
+ unsigned start = pos & (PAGE_SIZE - 1);
unsigned end = start + len;
/* Reading beyond i_size is simple: memset to zero */
- zero_user_segments(page, 0, start, end, PAGE_CACHE_SIZE);
+ zero_user_segments(page, 0, start, end, PAGE_SIZE);
goto out_update;
}
if (blkaddr == NEW_ADDR) {
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
} else {
struct f2fs_io_info fio = {
.sbi = sbi,
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
if (inode->i_ino >= F2FS_ROOT_INO(sbi) &&
- (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE))
+ (offset % PAGE_SIZE || length != PAGE_SIZE))
return;
if (PageDirty(page)) {
/* build curseg */
si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE;
- si->base_mem += PAGE_CACHE_SIZE * NR_CURSEG_TYPE;
+ si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE;
/* build dirty segmap */
si->base_mem += sizeof(struct dirty_seglist_info);
si->page_mem = 0;
npages = NODE_MAPPING(sbi)->nrpages;
- si->page_mem += (unsigned long long)npages << PAGE_CACHE_SHIFT;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
npages = META_MAPPING(sbi)->nrpages;
- si->page_mem += (unsigned long long)npages << PAGE_CACHE_SHIFT;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
}
static int stat_show(struct seq_file *s, void *v)
static unsigned long dir_blocks(struct inode *inode)
{
- return ((unsigned long long) (i_size_read(inode) + PAGE_CACHE_SIZE - 1))
- >> PAGE_CACHE_SHIFT;
+ return ((unsigned long long) (i_size_read(inode) + PAGE_SIZE - 1))
+ >> PAGE_SHIFT;
}
static unsigned int dir_buckets(unsigned int level, int dir_level)
f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
unlock_page(page);
}
- page_cache_release(page);
+ put_page(page);
}
static inline void f2fs_put_dnode(struct dnode_of_data *dn)
goto mapped;
/* page is wholly or partially inside EOF */
- if (((loff_t)(page->index + 1) << PAGE_CACHE_SHIFT) >
+ if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
i_size_read(inode)) {
unsigned offset;
- offset = i_size_read(inode) & ~PAGE_CACHE_MASK;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ offset = i_size_read(inode) & ~PAGE_MASK;
+ zero_user_segment(page, offset, PAGE_SIZE);
}
set_page_dirty(page);
SetPageUptodate(page);
goto found;
}
- pgofs = (pgoff_t)(offset >> PAGE_CACHE_SHIFT);
+ pgofs = (pgoff_t)(offset >> PAGE_SHIFT);
dirty = __get_first_dirty_index(inode->i_mapping, pgofs, whence);
- for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA);
if (err && err != -ENOENT) {
/* find data/hole in dnode block */
for (; dn.ofs_in_node < end_offset;
dn.ofs_in_node++, pgofs++,
- data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
block_t blkaddr;
blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
static int truncate_partial_data_page(struct inode *inode, u64 from,
bool cache_only)
{
- unsigned offset = from & (PAGE_CACHE_SIZE - 1);
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE - 1);
+ pgoff_t index = from >> PAGE_SHIFT;
struct address_space *mapping = inode->i_mapping;
struct page *page;
return 0;
truncate_out:
f2fs_wait_on_page_writeback(page, DATA, true);
- zero_user(page, offset, PAGE_CACHE_SIZE - offset);
+ zero_user(page, offset, PAGE_SIZE - offset);
if (!cache_only || !f2fs_encrypted_inode(inode) ||
!S_ISREG(inode->i_mode))
set_page_dirty(page);
if (ret)
return ret;
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
}
f2fs_balance_fs(sbi, true);
- blk_start = (loff_t)pg_start << PAGE_CACHE_SHIFT;
- blk_end = (loff_t)pg_end << PAGE_CACHE_SHIFT;
+ blk_start = (loff_t)pg_start << PAGE_SHIFT;
+ blk_end = (loff_t)pg_end << PAGE_SHIFT;
truncate_inode_pages_range(mapping, blk_start,
blk_end - 1);
if (ret)
return ret;
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
truncate_pagecache_range(inode, offset, offset + len - 1);
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
new_size = max_t(loff_t, new_size,
- (loff_t)pg_start << PAGE_CACHE_SHIFT);
+ (loff_t)pg_start << PAGE_SHIFT);
}
for (index = pg_start; index < pg_end; index++) {
f2fs_unlock_op(sbi);
new_size = max_t(loff_t, new_size,
- (loff_t)(index + 1) << PAGE_CACHE_SHIFT);
+ (loff_t)(index + 1) << PAGE_SHIFT);
}
if (off_end) {
truncate_pagecache(inode, offset);
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
f2fs_balance_fs(sbi, true);
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
f2fs_lock_op(sbi);
if (pg_start == pg_end)
new_size = offset + len;
else if (index == pg_start && off_start)
- new_size = (loff_t)(index + 1) << PAGE_CACHE_SHIFT;
+ new_size = (loff_t)(index + 1) << PAGE_SHIFT;
else if (index == pg_end)
- new_size = ((loff_t)index << PAGE_CACHE_SHIFT) +
+ new_size = ((loff_t)index << PAGE_SHIFT) +
off_end;
else
- new_size += PAGE_CACHE_SIZE;
+ new_size += PAGE_SIZE;
}
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
if (need_inplace_update(inode))
return -EINVAL;
- pg_start = range->start >> PAGE_CACHE_SHIFT;
- pg_end = (range->start + range->len) >> PAGE_CACHE_SHIFT;
+ pg_start = range->start >> PAGE_SHIFT;
+ pg_end = (range->start + range->len) >> PAGE_SHIFT;
f2fs_balance_fs(sbi, true);
out:
inode_unlock(inode);
if (!err)
- range->len = (u64)total << PAGE_CACHE_SHIFT;
+ range->len = (u64)total << PAGE_SHIFT;
return err;
}
f2fs_bug_on(F2FS_P_SB(page), page->index);
- zero_user_segment(page, MAX_INLINE_DATA, PAGE_CACHE_SIZE);
+ zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);
/* Copy the whole inline data block */
src_addr = inline_data_addr(ipage);
}
if (page->index)
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
else
read_inline_data(page, ipage);
goto out;
f2fs_wait_on_page_writeback(page, DATA, true);
- zero_user_segment(page, MAX_INLINE_DATA, PAGE_CACHE_SIZE);
+ zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);
dentry_blk = kmap_atomic(page);
stat_dec_inline_dir(dir);
clear_inode_flag(F2FS_I(dir), FI_INLINE_DENTRY);
- if (i_size_read(dir) < PAGE_CACHE_SIZE) {
- i_size_write(dir, PAGE_CACHE_SIZE);
+ if (i_size_read(dir) < PAGE_SIZE) {
+ i_size_write(dir, PAGE_SIZE);
set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
/* Null-terminate the name */
paddr[res] = '\0';
- page_cache_release(cpage);
+ put_page(cpage);
set_delayed_call(done, kfree_link, paddr);
return paddr;
errout:
fscrypt_fname_free_buffer(&pstr);
- page_cache_release(cpage);
+ put_page(cpage);
return ERR_PTR(res);
}
*/
if (type == FREE_NIDS) {
mem_size = (nm_i->fcnt * sizeof(struct free_nid)) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);
} else if (type == NAT_ENTRIES) {
mem_size = (nm_i->nat_cnt * sizeof(struct nat_entry)) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);
} else if (type == DIRTY_DENTS) {
if (sbi->sb->s_bdi->wb.dirty_exceeded)
for (i = 0; i <= UPDATE_INO; i++)
mem_size += (sbi->im[i].ino_num *
- sizeof(struct ino_entry)) >> PAGE_CACHE_SHIFT;
+ sizeof(struct ino_entry)) >> PAGE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
} else if (type == EXTENT_CACHE) {
mem_size = (atomic_read(&sbi->total_ext_tree) *
sizeof(struct extent_tree) +
atomic_read(&sbi->total_ext_node) *
- sizeof(struct extent_node)) >> PAGE_CACHE_SHIFT;
+ sizeof(struct extent_node)) >> PAGE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
} else {
if (!sbi->sb->s_bdi->wb.dirty_exceeded)
src_addr = page_address(src_page);
dst_addr = page_address(dst_page);
- memcpy(dst_addr, src_addr, PAGE_CACHE_SIZE);
+ memcpy(dst_addr, src_addr, PAGE_SIZE);
set_page_dirty(dst_page);
f2fs_put_page(src_page, 1);
/* truncate meta pages to be used by the recovery */
truncate_inode_pages_range(META_MAPPING(sbi),
- (loff_t)MAIN_BLKADDR(sbi) << PAGE_CACHE_SHIFT, -1);
+ (loff_t)MAIN_BLKADDR(sbi) << PAGE_SHIFT, -1);
if (err) {
truncate_inode_pages_final(NODE_MAPPING(sbi));
}
}
- sum_in_page = (PAGE_CACHE_SIZE - 2 * SUM_JOURNAL_SIZE -
+ sum_in_page = (PAGE_SIZE - 2 * SUM_JOURNAL_SIZE -
SUM_FOOTER_SIZE) / SUMMARY_SIZE;
if (valid_sum_count <= sum_in_page)
return 1;
else if ((valid_sum_count - sum_in_page) <=
- (PAGE_CACHE_SIZE - SUM_FOOTER_SIZE) / SUMMARY_SIZE)
+ (PAGE_SIZE - SUM_FOOTER_SIZE) / SUMMARY_SIZE)
return 2;
return 3;
}
void *dst = page_address(page);
if (src)
- memcpy(dst, src, PAGE_CACHE_SIZE);
+ memcpy(dst, src, PAGE_SIZE);
else
- memset(dst, 0, PAGE_CACHE_SIZE);
+ memset(dst, 0, PAGE_SIZE);
set_page_dirty(page);
f2fs_put_page(page, 1);
}
s = (struct f2fs_summary *)(kaddr + offset);
seg_i->sum_blk->entries[j] = *s;
offset += SUMMARY_SIZE;
- if (offset + SUMMARY_SIZE <= PAGE_CACHE_SIZE -
+ if (offset + SUMMARY_SIZE <= PAGE_SIZE -
SUM_FOOTER_SIZE)
continue;
*summary = seg_i->sum_blk->entries[j];
written_size += SUMMARY_SIZE;
- if (written_size + SUMMARY_SIZE <= PAGE_CACHE_SIZE -
+ if (written_size + SUMMARY_SIZE <= PAGE_SIZE -
SUM_FOOTER_SIZE)
continue;
src_addr = page_address(src_page);
dst_addr = page_address(dst_page);
- memcpy(dst_addr, src_addr, PAGE_CACHE_SIZE);
+ memcpy(dst_addr, src_addr, PAGE_SIZE);
set_page_dirty(dst_page);
f2fs_put_page(src_page, 1);
for (i = 0; i < NR_CURSEG_TYPE; i++) {
mutex_init(&array[i].curseg_mutex);
- array[i].sum_blk = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ array[i].sum_blk = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!array[i].sum_blk)
return -ENOMEM;
init_rwsem(&array[i].journal_rwsem);
}
/* Currently, support only 4KB page cache size */
- if (F2FS_BLKSIZE != PAGE_CACHE_SIZE) {
+ if (F2FS_BLKSIZE != PAGE_SIZE) {
f2fs_msg(sb, KERN_INFO,
"Invalid page_cache_size (%lu), supports only 4KB\n",
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
return 1;
}
vxfs_immed_readpage(struct file *fp, struct page *pp)
{
struct vxfs_inode_info *vip = VXFS_INO(pp->mapping->host);
- u_int64_t offset = (u_int64_t)pp->index << PAGE_CACHE_SHIFT;
+ u_int64_t offset = (u_int64_t)pp->index << PAGE_SHIFT;
caddr_t kaddr;
kaddr = kmap(pp);
- memcpy(kaddr, vip->vii_immed.vi_immed + offset, PAGE_CACHE_SIZE);
+ memcpy(kaddr, vip->vii_immed.vi_immed + offset, PAGE_SIZE);
kunmap(pp);
flush_dcache_page(pp);
/*
* Number of VxFS blocks per page.
*/
-#define VXFS_BLOCK_PER_PAGE(sbp) ((PAGE_CACHE_SIZE / (sbp)->s_blocksize))
+#define VXFS_BLOCK_PER_PAGE(sbp) ((PAGE_SIZE / (sbp)->s_blocksize))
static struct dentry * vxfs_lookup(struct inode *, struct dentry *, unsigned int);
if (de) {
ino = de->d_ino;
kunmap(pp);
- page_cache_release(pp);
+ put_page(pp);
}
return (ino);
nblocks = dir_blocks(ip);
pblocks = VXFS_BLOCK_PER_PAGE(sbp);
- page = pos >> PAGE_CACHE_SHIFT;
- offset = pos & ~PAGE_CACHE_MASK;
+ page = pos >> PAGE_SHIFT;
+ offset = pos & ~PAGE_MASK;
block = (u_long)(pos >> sbp->s_blocksize_bits) % pblocks;
for (; page < npages; page++, block = 0) {
continue;
offset = (char *)de - kaddr;
- ctx->pos = ((page << PAGE_CACHE_SHIFT) | offset) + 2;
+ ctx->pos = ((page << PAGE_SHIFT) | offset) + 2;
if (!dir_emit(ctx, de->d_name, de->d_namelen,
de->d_ino, DT_UNKNOWN)) {
vxfs_put_page(pp);
vxfs_put_page(pp);
offset = 0;
}
- ctx->pos = ((page << PAGE_CACHE_SHIFT) | offset) + 2;
+ ctx->pos = ((page << PAGE_SHIFT) | offset) + 2;
return 0;
}
vxfs_put_page(struct page *pp)
{
kunmap(pp);
- page_cache_release(pp);
+ put_page(pp);
}
/**
/*
* 4MB minimal write chunk size
*/
-#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_CACHE_SHIFT - 10))
+#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_SHIFT - 10))
struct wb_completion {
atomic_t cnt;
wake_up_bit(&cookie->flags, 0);
if (xpage)
- page_cache_release(xpage);
+ put_page(xpage);
__fscache_uncache_page(cookie, page);
return true;
}
spin_unlock(&object->lock);
if (xpage)
- page_cache_release(xpage);
+ put_page(xpage);
}
/*
spin_unlock(&cookie->stores_lock);
for (i = n - 1; i >= 0; i--)
- page_cache_release(results[i]);
+ put_page(results[i]);
}
_leave("");
radix_tree_tag_set(&cookie->stores, page->index,
FSCACHE_COOKIE_PENDING_TAG);
- page_cache_get(page);
+ get_page(page);
/* we only want one writer at a time, but we do need to queue new
* writers after exclusive ops */
radix_tree_delete(&cookie->stores, page->index);
spin_unlock(&cookie->stores_lock);
wake_cookie = __fscache_unuse_cookie(cookie);
- page_cache_release(page);
+ put_page(page);
ret = -ENOBUFS;
goto nobufs;
return err;
}
- page_cache_get(newpage);
+ get_page(newpage);
if (!(buf->flags & PIPE_BUF_FLAG_LRU))
lru_cache_add_file(newpage);
if (err) {
unlock_page(newpage);
- page_cache_release(newpage);
+ put_page(newpage);
return err;
}
unlock_page(oldpage);
- page_cache_release(oldpage);
+ put_page(oldpage);
cs->len = 0;
return 0;
fuse_copy_finish(cs);
buf = cs->pipebufs;
- page_cache_get(page);
+ get_page(page);
buf->page = page;
buf->offset = offset;
buf->len = count;
out:
for (; page_nr < cs.nr_segs; page_nr++)
- page_cache_release(bufs[page_nr].page);
+ put_page(bufs[page_nr].page);
kfree(bufs);
return ret;
goto out_up_killsb;
mapping = inode->i_mapping;
- index = outarg.offset >> PAGE_CACHE_SHIFT;
- offset = outarg.offset & ~PAGE_CACHE_MASK;
+ index = outarg.offset >> PAGE_SHIFT;
+ offset = outarg.offset & ~PAGE_MASK;
file_size = i_size_read(inode);
end = outarg.offset + outarg.size;
if (end > file_size) {
if (!page)
goto out_iput;
- this_num = min_t(unsigned, num, PAGE_CACHE_SIZE - offset);
+ this_num = min_t(unsigned, num, PAGE_SIZE - offset);
err = fuse_copy_page(cs, &page, offset, this_num, 0);
if (!err && offset == 0 &&
- (this_num == PAGE_CACHE_SIZE || file_size == end))
+ (this_num == PAGE_SIZE || file_size == end))
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (err)
goto out_iput;
size_t total_len = 0;
int num_pages;
- offset = outarg->offset & ~PAGE_CACHE_MASK;
+ offset = outarg->offset & ~PAGE_MASK;
file_size = i_size_read(inode);
num = outarg->size;
req->page_descs[0].offset = offset;
req->end = fuse_retrieve_end;
- index = outarg->offset >> PAGE_CACHE_SHIFT;
+ index = outarg->offset >> PAGE_SHIFT;
while (num && req->num_pages < num_pages) {
struct page *page;
if (!page)
break;
- this_num = min_t(unsigned, num, PAGE_CACHE_SIZE - offset);
+ this_num = min_t(unsigned, num, PAGE_SIZE - offset);
req->pages[req->num_pages] = page;
req->page_descs[req->num_pages].length = this_num;
req->num_pages++;
pgoff_t curr_index;
BUG_ON(req->inode != inode);
- curr_index = req->misc.write.in.offset >> PAGE_CACHE_SHIFT;
+ curr_index = req->misc.write.in.offset >> PAGE_SHIFT;
if (idx_from < curr_index + req->num_pages &&
curr_index <= idx_to) {
found = true;
* present there.
*/
int i;
- int start_idx = num_read >> PAGE_CACHE_SHIFT;
- size_t off = num_read & (PAGE_CACHE_SIZE - 1);
+ int start_idx = num_read >> PAGE_SHIFT;
+ size_t off = num_read & (PAGE_SIZE - 1);
for (i = start_idx; i < req->num_pages; i++) {
- zero_user_segment(req->pages[i], off, PAGE_CACHE_SIZE);
+ zero_user_segment(req->pages[i], off, PAGE_SIZE);
off = 0;
}
} else {
struct fuse_req *req;
size_t num_read;
loff_t pos = page_offset(page);
- size_t count = PAGE_CACHE_SIZE;
+ size_t count = PAGE_SIZE;
u64 attr_ver;
int err;
else
SetPageError(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
if (req->ff)
fuse_file_put(req->ff, false);
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
loff_t pos = page_offset(req->pages[0]);
- size_t count = req->num_pages << PAGE_CACHE_SHIFT;
+ size_t count = req->num_pages << PAGE_SHIFT;
req->out.argpages = 1;
req->out.page_zeroing = 1;
if (req->num_pages &&
(req->num_pages == FUSE_MAX_PAGES_PER_REQ ||
- (req->num_pages + 1) * PAGE_CACHE_SIZE > fc->max_read ||
+ (req->num_pages + 1) * PAGE_SIZE > fc->max_read ||
req->pages[req->num_pages - 1]->index + 1 != page->index)) {
int nr_alloc = min_t(unsigned, data->nr_pages,
FUSE_MAX_PAGES_PER_REQ);
return -EIO;
}
- page_cache_get(page);
+ get_page(page);
req->pages[req->num_pages] = page;
req->page_descs[req->num_pages].length = PAGE_SIZE;
req->num_pages++;
for (i = 0; i < req->num_pages; i++) {
struct page *page = req->pages[i];
- if (!req->out.h.error && !offset && count >= PAGE_CACHE_SIZE)
+ if (!req->out.h.error && !offset && count >= PAGE_SIZE)
SetPageUptodate(page);
- if (count > PAGE_CACHE_SIZE - offset)
- count -= PAGE_CACHE_SIZE - offset;
+ if (count > PAGE_SIZE - offset)
+ count -= PAGE_SIZE - offset;
else
count = 0;
offset = 0;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return res;
struct iov_iter *ii, loff_t pos)
{
struct fuse_conn *fc = get_fuse_conn(mapping->host);
- unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned offset = pos & (PAGE_SIZE - 1);
size_t count = 0;
int err;
do {
size_t tmp;
struct page *page;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- size_t bytes = min_t(size_t, PAGE_CACHE_SIZE - offset,
+ pgoff_t index = pos >> PAGE_SHIFT;
+ size_t bytes = min_t(size_t, PAGE_SIZE - offset,
iov_iter_count(ii));
bytes = min_t(size_t, bytes, fc->max_write - count);
iov_iter_advance(ii, tmp);
if (!tmp) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
bytes = min(bytes, iov_iter_single_seg_count(ii));
goto again;
}
count += tmp;
pos += tmp;
offset += tmp;
- if (offset == PAGE_CACHE_SIZE)
+ if (offset == PAGE_SIZE)
offset = 0;
if (!fc->big_writes)
static inline unsigned fuse_wr_pages(loff_t pos, size_t len)
{
return min_t(unsigned,
- ((pos + len - 1) >> PAGE_CACHE_SHIFT) -
- (pos >> PAGE_CACHE_SHIFT) + 1,
+ ((pos + len - 1) >> PAGE_SHIFT) -
+ (pos >> PAGE_SHIFT) + 1,
FUSE_MAX_PAGES_PER_REQ);
}
goto out;
invalidate_mapping_pages(file->f_mapping,
- pos >> PAGE_CACHE_SHIFT,
- endbyte >> PAGE_CACHE_SHIFT);
+ pos >> PAGE_SHIFT,
+ endbyte >> PAGE_SHIFT);
written += written_buffered;
iocb->ki_pos = pos + written_buffered;
size_t nmax = write ? fc->max_write : fc->max_read;
loff_t pos = *ppos;
size_t count = iov_iter_count(iter);
- pgoff_t idx_from = pos >> PAGE_CACHE_SHIFT;
- pgoff_t idx_to = (pos + count - 1) >> PAGE_CACHE_SHIFT;
+ pgoff_t idx_from = pos >> PAGE_SHIFT;
+ pgoff_t idx_to = (pos + count - 1) >> PAGE_SHIFT;
ssize_t res = 0;
struct fuse_req *req;
int err = 0;
{
struct fuse_inode *fi = get_fuse_inode(req->inode);
struct fuse_write_in *inarg = &req->misc.write.in;
- __u64 data_size = req->num_pages * PAGE_CACHE_SIZE;
+ __u64 data_size = req->num_pages * PAGE_SIZE;
if (!fc->connected)
goto out_free;
list_del(&new_req->writepages_entry);
list_for_each_entry(old_req, &fi->writepages, writepages_entry) {
BUG_ON(old_req->inode != new_req->inode);
- curr_index = old_req->misc.write.in.offset >> PAGE_CACHE_SHIFT;
+ curr_index = old_req->misc.write.in.offset >> PAGE_SHIFT;
if (curr_index <= page->index &&
page->index < curr_index + old_req->num_pages) {
found = true;
new_req->num_pages = 1;
for (tmp = old_req; tmp != NULL; tmp = tmp->misc.write.next) {
BUG_ON(tmp->inode != new_req->inode);
- curr_index = tmp->misc.write.in.offset >> PAGE_CACHE_SHIFT;
+ curr_index = tmp->misc.write.in.offset >> PAGE_SHIFT;
if (tmp->num_pages == 1 &&
curr_index == page->index) {
old_req = tmp;
if (req && req->num_pages &&
(is_writeback || req->num_pages == FUSE_MAX_PAGES_PER_REQ ||
- (req->num_pages + 1) * PAGE_CACHE_SIZE > fc->max_write ||
+ (req->num_pages + 1) * PAGE_SIZE > fc->max_write ||
data->orig_pages[req->num_pages - 1]->index + 1 != page->index)) {
fuse_writepages_send(data);
data->req = NULL;
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct fuse_conn *fc = get_fuse_conn(file_inode(file));
struct page *page;
loff_t fsize;
fuse_wait_on_page_writeback(mapping->host, page->index);
- if (PageUptodate(page) || len == PAGE_CACHE_SIZE)
+ if (PageUptodate(page) || len == PAGE_SIZE)
goto success;
/*
* Check if the start this page comes after the end of file, in which
* case the readpage can be optimized away.
*/
fsize = i_size_read(mapping->host);
- if (fsize <= (pos & PAGE_CACHE_MASK)) {
- size_t off = pos & ~PAGE_CACHE_MASK;
+ if (fsize <= (pos & PAGE_MASK)) {
+ size_t off = pos & ~PAGE_MASK;
if (off)
zero_user_segment(page, 0, off);
goto success;
cleanup:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
error:
return err;
}
if (!PageUptodate(page)) {
/* Zero any unwritten bytes at the end of the page */
- size_t endoff = (pos + copied) & ~PAGE_CACHE_MASK;
+ size_t endoff = (pos + copied) & ~PAGE_MASK;
if (endoff)
- zero_user_segment(page, endoff, PAGE_CACHE_SIZE);
+ zero_user_segment(page, endoff, PAGE_SIZE);
SetPageUptodate(page);
}
fuse_write_update_size(inode, pos + copied);
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
fuse_invalidate_attr(inode);
if (offset >= 0) {
- pg_start = offset >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
if (len <= 0)
pg_end = -1;
else
- pg_end = (offset + len - 1) >> PAGE_CACHE_SHIFT;
+ pg_end = (offset + len - 1) >> PAGE_SHIFT;
invalidate_inode_pages2_range(inode->i_mapping,
pg_start, pg_end);
}
process_init_limits(fc, arg);
if (arg->minor >= 6) {
- ra_pages = arg->max_readahead / PAGE_CACHE_SIZE;
+ ra_pages = arg->max_readahead / PAGE_SIZE;
if (arg->flags & FUSE_ASYNC_READ)
fc->async_read = 1;
if (!(arg->flags & FUSE_POSIX_LOCKS))
if (arg->time_gran && arg->time_gran <= 1000000000)
fc->sb->s_time_gran = arg->time_gran;
} else {
- ra_pages = fc->max_read / PAGE_CACHE_SIZE;
+ ra_pages = fc->max_read / PAGE_SIZE;
fc->no_lock = 1;
fc->no_flock = 1;
}
arg->major = FUSE_KERNEL_VERSION;
arg->minor = FUSE_KERNEL_MINOR_VERSION;
- arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
+ arg->max_readahead = fc->bdi.ra_pages * PAGE_SIZE;
arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK |
FUSE_SPLICE_WRITE | FUSE_SPLICE_MOVE | FUSE_SPLICE_READ |
int err;
fc->bdi.name = "fuse";
- fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
+ fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_SIZE;
/* fuse does it's own writeback accounting */
fc->bdi.capabilities = BDI_CAP_NO_ACCT_WB | BDI_CAP_STRICTLIMIT;
goto err;
#endif
} else {
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
}
sb->s_magic = FUSE_SUPER_MAGIC;
sb->s_op = &fuse_super_operations;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
if (gfs2_assert_withdraw(sdp, gfs2_glock_is_held_excl(ip->i_gl)))
if (current->journal_info)
goto redirty;
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index > end_index || (page->index == end_index && !offset)) {
- page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
goto out;
}
return 1;
{
struct inode *inode = mapping->host;
struct gfs2_sbd *sdp = GFS2_SB(inode);
- unsigned nrblocks = nr_pages * (PAGE_CACHE_SIZE/inode->i_sb->s_blocksize);
+ unsigned nrblocks = nr_pages * (PAGE_SIZE/inode->i_sb->s_blocksize);
int i;
int ret;
cycled = 0;
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = 1;
cycled = 1; /* ignore range_cyclic tests */
* so we need to supply one here. It doesn't happen often.
*/
if (unlikely(page->index)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
return 0;
}
if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
dsize = (dibh->b_size - sizeof(struct gfs2_dinode));
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
+ memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap_atomic(kaddr);
flush_dcache_page(page);
brelse(dibh);
unsigned size)
{
struct address_space *mapping = ip->i_inode.i_mapping;
- unsigned long index = *pos / PAGE_CACHE_SIZE;
- unsigned offset = *pos & (PAGE_CACHE_SIZE - 1);
+ unsigned long index = *pos / PAGE_SIZE;
+ unsigned offset = *pos & (PAGE_SIZE - 1);
unsigned copied = 0;
unsigned amt;
struct page *page;
do {
amt = size - copied;
- if (offset + size > PAGE_CACHE_SIZE)
- amt = PAGE_CACHE_SIZE - offset;
+ if (offset + size > PAGE_SIZE)
+ amt = PAGE_SIZE - offset;
page = read_cache_page(mapping, index, __gfs2_readpage, NULL);
if (IS_ERR(page))
return PTR_ERR(page);
p = kmap_atomic(page);
memcpy(buf + copied, p + offset, amt);
kunmap_atomic(p);
- page_cache_release(page);
+ put_page(page);
copied += amt;
index++;
offset = 0;
unsigned requested = 0;
int alloc_required;
int error = 0;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = pos >> PAGE_SHIFT;
+ unsigned from = pos & (PAGE_SIZE - 1);
struct page *page;
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh);
rblocks += gfs2_rg_blocks(ip, requested);
error = gfs2_trans_begin(sdp, rblocks,
- PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
+ PAGE_SIZE/sdp->sd_sb.sb_bsize);
if (error)
goto out_trans_fail;
return 0;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
gfs2_trans_end(sdp);
if (pos + len > ip->i_inode.i_size)
if (!PageUptodate(page))
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (copied) {
if (inode->i_size < to)
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct buffer_head *dibh;
- unsigned int from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned int from = pos & (PAGE_SIZE - 1);
unsigned int to = from + len;
int ret;
struct gfs2_trans *tr = current->journal_info;
ret = gfs2_meta_inode_buffer(ip, &dibh);
if (unlikely(ret)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto failed;
}
{
struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
unsigned int stop = offset + length;
- int partial_page = (offset || length < PAGE_CACHE_SIZE);
+ int partial_page = (offset || length < PAGE_SIZE);
struct buffer_head *bh, *head;
unsigned long pos = 0;
* the first place, mapping->nr_pages will always be zero.
*/
if (mapping->nrpages) {
- loff_t lstart = offset & ~(PAGE_CACHE_SIZE - 1);
+ loff_t lstart = offset & ~(PAGE_SIZE - 1);
loff_t len = iov_iter_count(iter);
loff_t end = PAGE_ALIGN(offset + len) - 1;
dsize = dibh->b_size - sizeof(struct gfs2_dinode);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
+ memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap(page);
SetPageUptodate(page);
if (release) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return 0;
{
struct inode *inode = mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
- unsigned long index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ unsigned long index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize, iblock, length, pos;
struct buffer_head *bh;
struct page *page;
blocksize = inode->i_sb->s_blocksize;
length = blocksize - (offset & (blocksize - 1));
- iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
+ iblock = index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits);
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);
mark_buffer_dirty(bh);
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
{
struct inode *inode = page->mapping->host;
struct buffer_head bh;
- unsigned long size = PAGE_CACHE_SIZE;
- u64 lblock = page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ unsigned long size = PAGE_SIZE;
+ u64 lblock = page->index << (PAGE_SHIFT - inode->i_blkbits);
do {
bh.b_state = 0;
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
unsigned long last_index;
- u64 pos = page->index << PAGE_CACHE_SHIFT;
+ u64 pos = page->index << PAGE_SHIFT;
unsigned int data_blocks, ind_blocks, rblocks;
struct gfs2_holder gh;
loff_t size;
if (ret)
goto out;
- gfs2_size_hint(vma->vm_file, pos, PAGE_CACHE_SIZE);
+ gfs2_size_hint(vma->vm_file, pos, PAGE_SIZE);
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
ret = gfs2_glock_nq(&gh);
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);
- if (!gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE)) {
+ if (!gfs2_write_alloc_required(ip, pos, PAGE_SIZE)) {
lock_page(page);
if (!PageUptodate(page) || page->mapping != inode->i_mapping) {
ret = -EAGAIN;
if (ret)
goto out_unlock;
- gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
+ gfs2_write_calc_reserv(ip, PAGE_SIZE, &data_blocks, &ind_blocks);
ap.target = data_blocks + ind_blocks;
ret = gfs2_quota_lock_check(ip, &ap);
if (ret)
lock_page(page);
ret = -EINVAL;
size = i_size_read(inode);
- last_index = (size - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (size - 1) >> PAGE_SHIFT;
/* Check page index against inode size */
if (size == 0 || (page->index > last_index))
goto out_trans_end;
rblocks += data_blocks ? data_blocks : 1;
error = gfs2_trans_begin(sdp, rblocks,
- PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
+ PAGE_SIZE/sdp->sd_sb.sb_bsize);
if (error)
goto out_trans_fail;
if (mapping == NULL)
mapping = &sdp->sd_aspace;
- shift = PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift;
+ shift = PAGE_SHIFT - sdp->sd_sb.sb_bsize_shift;
index = blkno >> shift; /* convert block to page */
bufnum = blkno - (index << shift); /* block buf index within page */
map_bh(bh, sdp->sd_vfs, blkno);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return bh;
}
unsigned to_write = bytes, pg_off = off;
int done = 0;
- blk = index << (PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift);
+ blk = index << (PAGE_SHIFT - sdp->sd_sb.sb_bsize_shift);
boff = off % bsize;
page = find_or_create_page(mapping, index, GFP_NOFS);
flush_dcache_page(page);
kunmap_atomic(kaddr);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return 0;
unlock_out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return -EIO;
}
nbytes = sizeof(struct gfs2_quota);
- pg_beg = loc >> PAGE_CACHE_SHIFT;
- pg_off = loc % PAGE_CACHE_SIZE;
+ pg_beg = loc >> PAGE_SHIFT;
+ pg_off = loc % PAGE_SIZE;
/* If the quota straddles a page boundary, split the write in two */
- if ((pg_off + nbytes) > PAGE_CACHE_SIZE) {
+ if ((pg_off + nbytes) > PAGE_SIZE) {
pg_oflow = 1;
- overflow = (pg_off + nbytes) - PAGE_CACHE_SIZE;
+ overflow = (pg_off + nbytes) - PAGE_SIZE;
}
ptr = qp;
goto fail;
rgd->rd_gl->gl_object = rgd;
- rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_CACHE_MASK;
- rgd->rd_gl->gl_vm.end = PAGE_CACHE_ALIGN((rgd->rd_addr +
- rgd->rd_length) * bsize) - 1;
+ rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_MASK;
+ rgd->rd_gl->gl_vm.end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1;
rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
rgd->rd_flags &= ~(GFS2_RDF_UPTODATE | GFS2_RDF_PREFERRED);
if (rgd->rd_data > sdp->sd_max_rg_data)
mapping = tree->inode->i_mapping;
off = (loff_t)cnid * tree->node_size;
- block = off >> PAGE_CACHE_SHIFT;
- node->page_offset = off & ~PAGE_CACHE_MASK;
+ block = off >> PAGE_SHIFT;
+ node->page_offset = off & ~PAGE_MASK;
for (i = 0; i < tree->pages_per_bnode; i++) {
page = read_mapping_page(mapping, block++, NULL);
if (IS_ERR(page))
goto fail;
if (PageError(page)) {
- page_cache_release(page);
+ put_page(page);
goto fail;
}
node->page[i] = page;
for (i = 0; i < node->tree->pages_per_bnode; i++)
if (node->page[i])
- page_cache_release(node->page[i]);
+ put_page(node->page[i]);
kfree(node);
}
pagep = node->page;
memset(kmap(*pagep) + node->page_offset, 0,
- min((int)PAGE_CACHE_SIZE, (int)tree->node_size));
+ min((int)PAGE_SIZE, (int)tree->node_size));
set_page_dirty(*pagep);
kunmap(*pagep);
for (i = 1; i < tree->pages_per_bnode; i++) {
- memset(kmap(*++pagep), 0, PAGE_CACHE_SIZE);
+ memset(kmap(*++pagep), 0, PAGE_SIZE);
set_page_dirty(*pagep);
kunmap(*pagep);
}
}
tree->node_size_shift = ffs(size) - 1;
- tree->pages_per_bnode = (tree->node_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
kunmap(page);
- page_cache_release(page);
+ put_page(page);
return tree;
fail_page:
- page_cache_release(page);
+ put_page(page);
free_inode:
tree->inode->i_mapping->a_ops = &hfs_aops;
iput(tree->inode);
off = off16;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
+ pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
idx = 0;
for (;;) {
}
}
}
- if (++off >= PAGE_CACHE_SIZE) {
+ if (++off >= PAGE_SIZE) {
kunmap(*pagep);
data = kmap(*++pagep);
off = 0;
len = hfs_brec_lenoff(node, 0, &off16);
off = off16;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
+ pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
}
}
len = hfs_brec_lenoff(node, 0, &off);
}
off += node->page_offset + nidx / 8;
- page = node->page[off >> PAGE_CACHE_SHIFT];
+ page = node->page[off >> PAGE_SHIFT];
data = kmap(page);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
m = 1 << (~nidx & 7);
byte = data[off];
if (!(byte & m)) {
if (!tree)
return 0;
- if (tree->node_size >= PAGE_CACHE_SIZE) {
- nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
+ if (tree->node_size >= PAGE_SIZE) {
+ nidx = page->index >> (tree->node_size_shift - PAGE_SHIFT);
spin_lock(&tree->hash_lock);
node = hfs_bnode_findhash(tree, nidx);
if (!node)
}
spin_unlock(&tree->hash_lock);
} else {
- nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift);
- i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
+ nidx = page->index << (PAGE_SHIFT - tree->node_size_shift);
+ i = 1 << (PAGE_SHIFT - tree->node_size_shift);
spin_lock(&tree->hash_lock);
do {
node = hfs_bnode_findhash(tree, nidx++);
#include "hfsplus_fs.h"
#include "hfsplus_raw.h"
-#define PAGE_CACHE_BITS (PAGE_CACHE_SIZE * 8)
+#define PAGE_CACHE_BITS (PAGE_SIZE * 8)
int hfsplus_block_allocate(struct super_block *sb, u32 size,
u32 offset, u32 *max)
int l;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
- off &= ~PAGE_CACHE_MASK;
+ pagep = node->page + (off >> PAGE_SHIFT);
+ off &= ~PAGE_MASK;
- l = min_t(int, len, PAGE_CACHE_SIZE - off);
+ l = min_t(int, len, PAGE_SIZE - off);
memcpy(buf, kmap(*pagep) + off, l);
kunmap(*pagep);
while ((len -= l) != 0) {
buf += l;
- l = min_t(int, len, PAGE_CACHE_SIZE);
+ l = min_t(int, len, PAGE_SIZE);
memcpy(buf, kmap(*++pagep), l);
kunmap(*pagep);
}
int l;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
- off &= ~PAGE_CACHE_MASK;
+ pagep = node->page + (off >> PAGE_SHIFT);
+ off &= ~PAGE_MASK;
- l = min_t(int, len, PAGE_CACHE_SIZE - off);
+ l = min_t(int, len, PAGE_SIZE - off);
memcpy(kmap(*pagep) + off, buf, l);
set_page_dirty(*pagep);
kunmap(*pagep);
while ((len -= l) != 0) {
buf += l;
- l = min_t(int, len, PAGE_CACHE_SIZE);
+ l = min_t(int, len, PAGE_SIZE);
memcpy(kmap(*++pagep), buf, l);
set_page_dirty(*pagep);
kunmap(*pagep);
int l;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
- off &= ~PAGE_CACHE_MASK;
+ pagep = node->page + (off >> PAGE_SHIFT);
+ off &= ~PAGE_MASK;
- l = min_t(int, len, PAGE_CACHE_SIZE - off);
+ l = min_t(int, len, PAGE_SIZE - off);
memset(kmap(*pagep) + off, 0, l);
set_page_dirty(*pagep);
kunmap(*pagep);
while ((len -= l) != 0) {
- l = min_t(int, len, PAGE_CACHE_SIZE);
+ l = min_t(int, len, PAGE_SIZE);
memset(kmap(*++pagep), 0, l);
set_page_dirty(*pagep);
kunmap(*pagep);
tree = src_node->tree;
src += src_node->page_offset;
dst += dst_node->page_offset;
- src_page = src_node->page + (src >> PAGE_CACHE_SHIFT);
- src &= ~PAGE_CACHE_MASK;
- dst_page = dst_node->page + (dst >> PAGE_CACHE_SHIFT);
- dst &= ~PAGE_CACHE_MASK;
+ src_page = src_node->page + (src >> PAGE_SHIFT);
+ src &= ~PAGE_MASK;
+ dst_page = dst_node->page + (dst >> PAGE_SHIFT);
+ dst &= ~PAGE_MASK;
if (src == dst) {
- l = min_t(int, len, PAGE_CACHE_SIZE - src);
+ l = min_t(int, len, PAGE_SIZE - src);
memcpy(kmap(*dst_page) + src, kmap(*src_page) + src, l);
kunmap(*src_page);
set_page_dirty(*dst_page);
kunmap(*dst_page);
while ((len -= l) != 0) {
- l = min_t(int, len, PAGE_CACHE_SIZE);
+ l = min_t(int, len, PAGE_SIZE);
memcpy(kmap(*++dst_page), kmap(*++src_page), l);
kunmap(*src_page);
set_page_dirty(*dst_page);
do {
src_ptr = kmap(*src_page) + src;
dst_ptr = kmap(*dst_page) + dst;
- if (PAGE_CACHE_SIZE - src < PAGE_CACHE_SIZE - dst) {
- l = PAGE_CACHE_SIZE - src;
+ if (PAGE_SIZE - src < PAGE_SIZE - dst) {
+ l = PAGE_SIZE - src;
src = 0;
dst += l;
} else {
- l = PAGE_CACHE_SIZE - dst;
+ l = PAGE_SIZE - dst;
src += l;
dst = 0;
}
dst += node->page_offset;
if (dst > src) {
src += len - 1;
- src_page = node->page + (src >> PAGE_CACHE_SHIFT);
- src = (src & ~PAGE_CACHE_MASK) + 1;
+ src_page = node->page + (src >> PAGE_SHIFT);
+ src = (src & ~PAGE_MASK) + 1;
dst += len - 1;
- dst_page = node->page + (dst >> PAGE_CACHE_SHIFT);
- dst = (dst & ~PAGE_CACHE_MASK) + 1;
+ dst_page = node->page + (dst >> PAGE_SHIFT);
+ dst = (dst & ~PAGE_MASK) + 1;
if (src == dst) {
while (src < len) {
set_page_dirty(*dst_page);
kunmap(*dst_page);
len -= src;
- src = PAGE_CACHE_SIZE;
+ src = PAGE_SIZE;
src_page--;
dst_page--;
}
dst_ptr = kmap(*dst_page) + dst;
if (src < dst) {
l = src;
- src = PAGE_CACHE_SIZE;
+ src = PAGE_SIZE;
dst -= l;
} else {
l = dst;
src -= l;
- dst = PAGE_CACHE_SIZE;
+ dst = PAGE_SIZE;
}
l = min(len, l);
memmove(dst_ptr - l, src_ptr - l, l);
kunmap(*src_page);
set_page_dirty(*dst_page);
kunmap(*dst_page);
- if (dst == PAGE_CACHE_SIZE)
+ if (dst == PAGE_SIZE)
dst_page--;
else
src_page--;
} while ((len -= l));
}
} else {
- src_page = node->page + (src >> PAGE_CACHE_SHIFT);
- src &= ~PAGE_CACHE_MASK;
- dst_page = node->page + (dst >> PAGE_CACHE_SHIFT);
- dst &= ~PAGE_CACHE_MASK;
+ src_page = node->page + (src >> PAGE_SHIFT);
+ src &= ~PAGE_MASK;
+ dst_page = node->page + (dst >> PAGE_SHIFT);
+ dst &= ~PAGE_MASK;
if (src == dst) {
- l = min_t(int, len, PAGE_CACHE_SIZE - src);
+ l = min_t(int, len, PAGE_SIZE - src);
memmove(kmap(*dst_page) + src,
kmap(*src_page) + src, l);
kunmap(*src_page);
kunmap(*dst_page);
while ((len -= l) != 0) {
- l = min_t(int, len, PAGE_CACHE_SIZE);
+ l = min_t(int, len, PAGE_SIZE);
memmove(kmap(*++dst_page),
kmap(*++src_page), l);
kunmap(*src_page);
do {
src_ptr = kmap(*src_page) + src;
dst_ptr = kmap(*dst_page) + dst;
- if (PAGE_CACHE_SIZE - src <
- PAGE_CACHE_SIZE - dst) {
- l = PAGE_CACHE_SIZE - src;
+ if (PAGE_SIZE - src <
+ PAGE_SIZE - dst) {
+ l = PAGE_SIZE - src;
src = 0;
dst += l;
} else {
- l = PAGE_CACHE_SIZE - dst;
+ l = PAGE_SIZE - dst;
src += l;
dst = 0;
}
mapping = tree->inode->i_mapping;
off = (loff_t)cnid << tree->node_size_shift;
- block = off >> PAGE_CACHE_SHIFT;
- node->page_offset = off & ~PAGE_CACHE_MASK;
+ block = off >> PAGE_SHIFT;
+ node->page_offset = off & ~PAGE_MASK;
for (i = 0; i < tree->pages_per_bnode; block++, i++) {
page = read_mapping_page(mapping, block, NULL);
if (IS_ERR(page))
goto fail;
if (PageError(page)) {
- page_cache_release(page);
+ put_page(page);
goto fail;
}
node->page[i] = page;
for (i = 0; i < node->tree->pages_per_bnode; i++)
if (node->page[i])
- page_cache_release(node->page[i]);
+ put_page(node->page[i]);
kfree(node);
}
pagep = node->page;
memset(kmap(*pagep) + node->page_offset, 0,
- min_t(int, PAGE_CACHE_SIZE, tree->node_size));
+ min_t(int, PAGE_SIZE, tree->node_size));
set_page_dirty(*pagep);
kunmap(*pagep);
for (i = 1; i < tree->pages_per_bnode; i++) {
- memset(kmap(*++pagep), 0, PAGE_CACHE_SIZE);
+ memset(kmap(*++pagep), 0, PAGE_SIZE);
set_page_dirty(*pagep);
kunmap(*pagep);
}
tree->node_size_shift = ffs(size) - 1;
tree->pages_per_bnode =
- (tree->node_size + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ (tree->node_size + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
kunmap(page);
- page_cache_release(page);
+ put_page(page);
return tree;
fail_page:
- page_cache_release(page);
+ put_page(page);
free_inode:
tree->inode->i_mapping->a_ops = &hfsplus_aops;
iput(tree->inode);
off = off16;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
+ pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
idx = 0;
for (;;) {
}
}
}
- if (++off >= PAGE_CACHE_SIZE) {
+ if (++off >= PAGE_SIZE) {
kunmap(*pagep);
data = kmap(*++pagep);
off = 0;
len = hfs_brec_lenoff(node, 0, &off16);
off = off16;
off += node->page_offset;
- pagep = node->page + (off >> PAGE_CACHE_SHIFT);
+ pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
}
}
len = hfs_brec_lenoff(node, 0, &off);
}
off += node->page_offset + nidx / 8;
- page = node->page[off >> PAGE_CACHE_SHIFT];
+ page = node->page[off >> PAGE_SHIFT];
data = kmap(page);
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
m = 1 << (~nidx & 7);
byte = data[off];
if (!(byte & m)) {
}
if (!tree)
return 0;
- if (tree->node_size >= PAGE_CACHE_SIZE) {
+ if (tree->node_size >= PAGE_SIZE) {
nidx = page->index >>
- (tree->node_size_shift - PAGE_CACHE_SHIFT);
+ (tree->node_size_shift - PAGE_SHIFT);
spin_lock(&tree->hash_lock);
node = hfs_bnode_findhash(tree, nidx);
if (!node)
spin_unlock(&tree->hash_lock);
} else {
nidx = page->index <<
- (PAGE_CACHE_SHIFT - tree->node_size_shift);
- i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
+ (PAGE_SHIFT - tree->node_size_shift);
+ i = 1 << (PAGE_SHIFT - tree->node_size_shift);
spin_lock(&tree->hash_lock);
do {
node = hfs_bnode_findhash(tree, nidx++);
err = -EFBIG;
last_fs_block = sbi->total_blocks - 1;
last_fs_page = (last_fs_block << sbi->alloc_blksz_shift) >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
if ((last_fs_block > (sector_t)(~0ULL) >> (sbi->alloc_blksz_shift - 9)) ||
(last_fs_page > (pgoff_t)(~0ULL))) {
index = 0;
written = 0;
- for (; written < node_size; index++, written += PAGE_CACHE_SIZE) {
+ for (; written < node_size; index++, written += PAGE_SIZE) {
void *kaddr;
page = read_mapping_page(mapping, index, NULL);
kaddr = kmap_atomic(page);
memcpy(kaddr, buf + written,
- min_t(size_t, PAGE_CACHE_SIZE, node_size - written));
+ min_t(size_t, PAGE_SIZE, node_size - written));
kunmap_atomic(kaddr);
set_page_dirty(page);
- page_cache_release(page);
+ put_page(page);
}
hfsplus_mark_inode_dirty(attr_file, HFSPLUS_I_ATTR_DIRTY);
struct inode *inode = mapping->host;
char *buffer;
loff_t base = page_offset(page);
- int count = PAGE_CACHE_SIZE;
- int end_index = inode->i_size >> PAGE_CACHE_SHIFT;
+ int count = PAGE_SIZE;
+ int end_index = inode->i_size >> PAGE_SHIFT;
int err;
if (page->index >= end_index)
- count = inode->i_size & (PAGE_CACHE_SIZE-1);
+ count = inode->i_size & (PAGE_SIZE-1);
buffer = kmap(page);
buffer = kmap(page);
bytes_read = read_file(FILE_HOSTFS_I(file)->fd, &start, buffer,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
if (bytes_read < 0) {
ClearPageUptodate(page);
SetPageError(page);
goto out;
}
- memset(buffer + bytes_read, 0, PAGE_CACHE_SIZE - bytes_read);
+ memset(buffer + bytes_read, 0, PAGE_SIZE - bytes_read);
ClearPageError(page);
SetPageUptodate(page);
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
*pagep = grab_cache_page_write_begin(mapping, index, flags);
if (!*pagep)
{
struct inode *inode = mapping->host;
void *buffer;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
int err;
buffer = kmap(page);
err = write_file(FILE_HOSTFS_I(file)->fd, &pos, buffer + from, copied);
kunmap(page);
- if (!PageUptodate(page) && err == PAGE_CACHE_SIZE)
+ if (!PageUptodate(page) && err == PAGE_SIZE)
SetPageUptodate(page);
/*
if (err > 0 && (pos > inode->i_size))
inode->i_size = pos;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
int i, chunksize;
/* Find which 4k chunk and offset with in that chunk */
- i = offset >> PAGE_CACHE_SHIFT;
- offset = offset & ~PAGE_CACHE_MASK;
+ i = offset >> PAGE_SHIFT;
+ offset = offset & ~PAGE_MASK;
while (size) {
size_t n;
- chunksize = PAGE_CACHE_SIZE;
+ chunksize = PAGE_SIZE;
if (offset)
chunksize -= offset;
if (chunksize > size)
* We have the page, copy it to user space buffer.
*/
copied = hugetlbfs_read_actor(page, offset, to, nr);
- page_cache_release(page);
+ put_page(page);
}
offset += copied;
retval += copied;
#include "zisofs.h"
/* This should probably be global. */
-static char zisofs_sink_page[PAGE_CACHE_SIZE];
+static char zisofs_sink_page[PAGE_SIZE];
/*
* This contains the zlib memory allocation and the mutex for the
for ( i = 0 ; i < pcount ; i++ ) {
if (!pages[i])
continue;
- memset(page_address(pages[i]), 0, PAGE_CACHE_SIZE);
+ memset(page_address(pages[i]), 0, PAGE_SIZE);
flush_dcache_page(pages[i]);
SetPageUptodate(pages[i]);
}
- return ((loff_t)pcount) << PAGE_CACHE_SHIFT;
+ return ((loff_t)pcount) << PAGE_SHIFT;
}
/* Because zlib is not thread-safe, do all the I/O at the top. */
if (pages[curpage]) {
stream.next_out = page_address(pages[curpage])
+ poffset;
- stream.avail_out = PAGE_CACHE_SIZE - poffset;
+ stream.avail_out = PAGE_SIZE - poffset;
poffset = 0;
} else {
stream.next_out = (void *)&zisofs_sink_page;
- stream.avail_out = PAGE_CACHE_SIZE;
+ stream.avail_out = PAGE_SIZE;
}
}
if (!stream.avail_in) {
* pages with the data we have anyway...
*/
start_off = page_offset(pages[full_page]);
- end_off = min_t(loff_t, start_off + PAGE_CACHE_SIZE, inode->i_size);
+ end_off = min_t(loff_t, start_off + PAGE_SIZE, inode->i_size);
cstart_block = start_off >> zisofs_block_shift;
cend_block = (end_off + (1 << zisofs_block_shift) - 1)
>> zisofs_block_shift;
- WARN_ON(start_off - (full_page << PAGE_CACHE_SHIFT) !=
- ((cstart_block << zisofs_block_shift) & PAGE_CACHE_MASK));
+ WARN_ON(start_off - (full_page << PAGE_SHIFT) !=
+ ((cstart_block << zisofs_block_shift) & PAGE_MASK));
/* Find the pointer to this specific chunk */
/* Note: we're not using isonum_731() here because the data is known aligned */
ret = zisofs_uncompress_block(inode, block_start, block_end,
pcount, pages, poffset, &err);
poffset += ret;
- pages += poffset >> PAGE_CACHE_SHIFT;
- pcount -= poffset >> PAGE_CACHE_SHIFT;
- full_page -= poffset >> PAGE_CACHE_SHIFT;
- poffset &= ~PAGE_CACHE_MASK;
+ pages += poffset >> PAGE_SHIFT;
+ pcount -= poffset >> PAGE_SHIFT;
+ full_page -= poffset >> PAGE_SHIFT;
+ poffset &= ~PAGE_MASK;
if (err) {
brelse(bh);
if (poffset && *pages) {
memset(page_address(*pages) + poffset, 0,
- PAGE_CACHE_SIZE - poffset);
+ PAGE_SIZE - poffset);
flush_dcache_page(*pages);
SetPageUptodate(*pages);
}
int i, pcount, full_page;
unsigned int zisofs_block_shift = ISOFS_I(inode)->i_format_parm[1];
unsigned int zisofs_pages_per_cblock =
- PAGE_CACHE_SHIFT <= zisofs_block_shift ?
- (1 << (zisofs_block_shift - PAGE_CACHE_SHIFT)) : 0;
+ PAGE_SHIFT <= zisofs_block_shift ?
+ (1 << (zisofs_block_shift - PAGE_SHIFT)) : 0;
struct page *pages[max_t(unsigned, zisofs_pages_per_cblock, 1)];
pgoff_t index = page->index, end_index;
- end_index = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (inode->i_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
/*
* If this page is wholly outside i_size we just return zero;
* do_generic_file_read() will handle this for us
return 0;
}
- if (PAGE_CACHE_SHIFT <= zisofs_block_shift) {
+ if (PAGE_SHIFT <= zisofs_block_shift) {
/* We have already been given one page, this is the one
we must do. */
full_page = index & (zisofs_pages_per_cblock - 1);
kunmap(pages[i]);
unlock_page(pages[i]);
if (i != full_page)
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
}
* the page with useless information without generating any
* I/O errors.
*/
- if (b_off > ((inode->i_size + PAGE_CACHE_SIZE - 1) >> ISOFS_BUFFER_BITS(inode))) {
+ if (b_off > ((inode->i_size + PAGE_SIZE - 1) >> ISOFS_BUFFER_BITS(inode))) {
printk(KERN_DEBUG "%s: block >= EOF (%lu, %llu)\n",
__func__, b_off,
(unsigned long long)inode->i_size);
if (!trylock_page(page))
goto nope;
- page_cache_get(page);
+ get_page(page);
__brelse(bh);
try_to_free_buffers(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return;
nope:
int jbd2_journal_blocks_per_page(struct inode *inode)
{
- return 1 << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
+ return 1 << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits);
}
/*
struct buffer_head *head, *bh, *next;
unsigned int stop = offset + length;
unsigned int curr_off = 0;
- int partial_page = (offset || length < PAGE_CACHE_SIZE);
+ int partial_page = (offset || length < PAGE_SIZE);
int may_free = 1;
int ret = 0;
if (!page_has_buffers(page))
return 0;
- BUG_ON(stop > PAGE_CACHE_SIZE || stop < length);
+ BUG_ON(stop > PAGE_SIZE || stop < length);
/* We will potentially be playing with lists other than just the
* data lists (especially for journaled data mode), so be
rather than mucking around with actually reading the node
and checking the compression type, which is the real way
to tell a hole node. */
- if (frag->ofs & (PAGE_CACHE_SIZE-1) && frag_prev(frag)
- && frag_prev(frag)->size < PAGE_CACHE_SIZE && frag_prev(frag)->node) {
+ if (frag->ofs & (PAGE_SIZE-1) && frag_prev(frag)
+ && frag_prev(frag)->size < PAGE_SIZE && frag_prev(frag)->node) {
JFFS2_ERROR("REF_PRISTINE node at 0x%08x had a previous non-hole frag in the same page. Tell dwmw2.\n",
ref_offset(fn->raw));
bitched = 1;
}
- if ((frag->ofs+frag->size) & (PAGE_CACHE_SIZE-1) && frag_next(frag)
- && frag_next(frag)->size < PAGE_CACHE_SIZE && frag_next(frag)->node) {
+ if ((frag->ofs+frag->size) & (PAGE_SIZE-1) && frag_next(frag)
+ && frag_next(frag)->size < PAGE_SIZE && frag_next(frag)->node) {
JFFS2_ERROR("REF_PRISTINE node at 0x%08x (%08x-%08x) had a following non-hole frag in the same page. Tell dwmw2.\n",
ref_offset(fn->raw), frag->ofs, frag->ofs+frag->size);
bitched = 1;
int ret;
jffs2_dbg(2, "%s(): ino #%lu, page at offset 0x%lx\n",
- __func__, inode->i_ino, pg->index << PAGE_CACHE_SHIFT);
+ __func__, inode->i_ino, pg->index << PAGE_SHIFT);
BUG_ON(!PageLocked(pg));
pg_buf = kmap(pg);
/* FIXME: Can kmap fail? */
- ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE);
+ ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_SHIFT,
+ PAGE_SIZE);
if (ret) {
ClearPageUptodate(pg);
struct page *pg;
struct inode *inode = mapping->host;
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- uint32_t pageofs = index << PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
+ uint32_t pageofs = index << PAGE_SHIFT;
int ret = 0;
pg = grab_cache_page_write_begin(mapping, index, flags);
out_page:
unlock_page(pg);
- page_cache_release(pg);
+ put_page(pg);
return ret;
}
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
struct jffs2_raw_inode *ri;
- unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned start = pos & (PAGE_SIZE - 1);
unsigned end = start + copied;
unsigned aligned_start = start & ~3;
int ret = 0;
uint32_t writtenlen = 0;
jffs2_dbg(1, "%s(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n",
- __func__, inode->i_ino, pg->index << PAGE_CACHE_SHIFT,
+ __func__, inode->i_ino, pg->index << PAGE_SHIFT,
start, end, pg->flags);
/* We need to avoid deadlock with page_cache_read() in
to re-lock it. */
BUG_ON(!PageUptodate(pg));
- if (end == PAGE_CACHE_SIZE) {
+ if (end == PAGE_SIZE) {
/* When writing out the end of a page, write out the
_whole_ page. This helps to reduce the number of
nodes in files which have many short writes, like
jffs2_dbg(1, "%s(): Allocation of raw inode failed\n",
__func__);
unlock_page(pg);
- page_cache_release(pg);
+ put_page(pg);
return -ENOMEM;
}
kmap(pg);
ret = jffs2_write_inode_range(c, f, ri, page_address(pg) + aligned_start,
- (pg->index << PAGE_CACHE_SHIFT) + aligned_start,
+ (pg->index << PAGE_SHIFT) + aligned_start,
end - aligned_start, &writtenlen);
kunmap(pg);
jffs2_dbg(1, "%s() returning %d\n",
__func__, writtenlen > 0 ? writtenlen : ret);
unlock_page(pg);
- page_cache_release(pg);
+ put_page(pg);
return writtenlen > 0 ? writtenlen : ret;
}
goto out_root;
sb->s_maxbytes = 0xFFFFFFFF;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = JFFS2_SUPER_MAGIC;
if (!(sb->s_flags & MS_RDONLY))
jffs2_start_garbage_collect_thread(c);
struct inode *inode = OFNI_EDONI_2SFFJ(f);
struct page *pg;
- pg = read_cache_page(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
+ pg = read_cache_page(inode->i_mapping, offset >> PAGE_SHIFT,
(void *)jffs2_do_readpage_unlock, inode);
if (IS_ERR(pg))
return (void *)pg;
struct page *pg = (void *)*priv;
kunmap(pg);
- page_cache_release(pg);
+ put_page(pg);
}
static int jffs2_flash_setup(struct jffs2_sb_info *c) {
goto upnout;
}
/* We found a datanode. Do the GC */
- if((start >> PAGE_CACHE_SHIFT) < ((end-1) >> PAGE_CACHE_SHIFT)) {
+ if((start >> PAGE_SHIFT) < ((end-1) >> PAGE_SHIFT)) {
/* It crosses a page boundary. Therefore, it must be a hole. */
ret = jffs2_garbage_collect_hole(c, jeb, f, fn, start, end);
} else {
struct jffs2_node_frag *frag;
uint32_t min, max;
- min = start & ~(PAGE_CACHE_SIZE-1);
- max = min + PAGE_CACHE_SIZE;
+ min = start & ~(PAGE_SIZE-1);
+ max = min + PAGE_SIZE;
frag = jffs2_lookup_node_frag(&f->fragtree, start);
cdatalen = min_t(uint32_t, alloclen - sizeof(ri), end - offset);
datalen = end - offset;
- writebuf = pg_ptr + (offset & (PAGE_CACHE_SIZE -1));
+ writebuf = pg_ptr + (offset & (PAGE_SIZE -1));
comprtype = jffs2_compress(c, f, writebuf, &comprbuf, &datalen, &cdatalen);
/* If the last fragment starts at the RAM page boundary, it is
* REF_PRISTINE irrespective of its size. */
- if (frag->node && (frag->ofs & (PAGE_CACHE_SIZE - 1)) == 0) {
+ if (frag->node && (frag->ofs & (PAGE_SIZE - 1)) == 0) {
dbg_fragtree2("marking the last fragment 0x%08x-0x%08x REF_PRISTINE.\n",
frag->ofs, frag->ofs + frag->size);
frag->node->raw->flash_offset = ref_offset(frag->node->raw) | REF_PRISTINE;
If so, both 'this' and the new node get marked REF_NORMAL so
the GC can take a look.
*/
- if (lastend && (lastend-1) >> PAGE_CACHE_SHIFT == newfrag->ofs >> PAGE_CACHE_SHIFT) {
+ if (lastend && (lastend-1) >> PAGE_SHIFT == newfrag->ofs >> PAGE_SHIFT) {
if (this->node)
mark_ref_normal(this->node->raw);
mark_ref_normal(newfrag->node->raw);
/* If we now share a page with other nodes, mark either previous
or next node REF_NORMAL, as appropriate. */
- if (newfrag->ofs & (PAGE_CACHE_SIZE-1)) {
+ if (newfrag->ofs & (PAGE_SIZE-1)) {
struct jffs2_node_frag *prev = frag_prev(newfrag);
mark_ref_normal(fn->raw);
mark_ref_normal(prev->node->raw);
}
- if ((newfrag->ofs+newfrag->size) & (PAGE_CACHE_SIZE-1)) {
+ if ((newfrag->ofs+newfrag->size) & (PAGE_SIZE-1)) {
struct jffs2_node_frag *next = frag_next(newfrag);
if (next) {
beginning of a page and runs to the end of the file, or if
it's a hole node, mark it REF_PRISTINE, else REF_NORMAL.
*/
- if ((je32_to_cpu(ri->dsize) >= PAGE_CACHE_SIZE) ||
- ( ((je32_to_cpu(ri->offset)&(PAGE_CACHE_SIZE-1))==0) &&
+ if ((je32_to_cpu(ri->dsize) >= PAGE_SIZE) ||
+ ( ((je32_to_cpu(ri->offset)&(PAGE_SIZE-1))==0) &&
(je32_to_cpu(ri->dsize)+je32_to_cpu(ri->offset) == je32_to_cpu(ri->isize)))) {
flash_ofs |= REF_PRISTINE;
} else {
break;
}
mutex_lock(&f->sem);
- datalen = min_t(uint32_t, writelen, PAGE_CACHE_SIZE - (offset & (PAGE_CACHE_SIZE-1)));
+ datalen = min_t(uint32_t, writelen,
+ PAGE_SIZE - (offset & (PAGE_SIZE-1)));
cdatalen = min_t(uint32_t, alloclen - sizeof(*ri), datalen);
comprtype = jffs2_compress(c, f, buf, &comprbuf, &datalen, &cdatalen);
static struct kmem_cache *metapage_cache;
static mempool_t *metapage_mempool;
-#define MPS_PER_PAGE (PAGE_CACHE_SIZE >> L2PSIZE)
+#define MPS_PER_PAGE (PAGE_SIZE >> L2PSIZE)
#if MPS_PER_PAGE > 1
struct metapage *mp;
unsigned int offset;
- for (offset = 0; offset < PAGE_CACHE_SIZE; offset += PSIZE) {
+ for (offset = 0; offset < PAGE_SIZE; offset += PSIZE) {
mp = page_to_mp(page, offset);
if (mp && test_bit(META_io, &mp->flag)) {
if (mp->lsn)
int bad_blocks = 0;
page_start = (sector_t)page->index <<
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
BUG_ON(!PageLocked(page));
BUG_ON(PageWriteback(page));
set_page_writeback(page);
- for (offset = 0; offset < PAGE_CACHE_SIZE; offset += PSIZE) {
+ for (offset = 0; offset < PAGE_SIZE; offset += PSIZE) {
mp = page_to_mp(page, offset);
if (!mp || !test_bit(META_dirty, &mp->flag))
bio = NULL;
} else
inc_io(page);
- xlen = (PAGE_CACHE_SIZE - offset) >> inode->i_blkbits;
+ xlen = (PAGE_SIZE - offset) >> inode->i_blkbits;
pblock = metapage_get_blocks(inode, lblock, &xlen);
if (!pblock) {
printk(KERN_ERR "JFS: metapage_get_blocks failed\n");
struct inode *inode = page->mapping->host;
struct bio *bio = NULL;
int block_offset;
- int blocks_per_page = PAGE_CACHE_SIZE >> inode->i_blkbits;
+ int blocks_per_page = PAGE_SIZE >> inode->i_blkbits;
sector_t page_start; /* address of page in fs blocks */
sector_t pblock;
int xlen;
BUG_ON(!PageLocked(page));
page_start = (sector_t)page->index <<
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
block_offset = 0;
while (block_offset < blocks_per_page) {
int ret = 1;
int offset;
- for (offset = 0; offset < PAGE_CACHE_SIZE; offset += PSIZE) {
+ for (offset = 0; offset < PAGE_SIZE; offset += PSIZE) {
mp = page_to_mp(page, offset);
if (!mp)
static void metapage_invalidatepage(struct page *page, unsigned int offset,
unsigned int length)
{
- BUG_ON(offset || length < PAGE_CACHE_SIZE);
+ BUG_ON(offset || length < PAGE_SIZE);
BUG_ON(PageWriteback(page));
inode->i_ino, lblock, absolute);
l2bsize = inode->i_blkbits;
- l2BlocksPerPage = PAGE_CACHE_SHIFT - l2bsize;
+ l2BlocksPerPage = PAGE_SHIFT - l2bsize;
page_index = lblock >> l2BlocksPerPage;
page_offset = (lblock - (page_index << l2BlocksPerPage)) << l2bsize;
- if ((page_offset + size) > PAGE_CACHE_SIZE) {
+ if ((page_offset + size) > PAGE_SIZE) {
jfs_err("MetaData crosses page boundary!!");
jfs_err("lblock = %lx, size = %d", lblock, size);
dump_stack();
mapping = inode->i_mapping;
}
- if (new && (PSIZE == PAGE_CACHE_SIZE)) {
+ if (new && (PSIZE == PAGE_SIZE)) {
page = grab_cache_page(mapping, page_index);
if (!page) {
jfs_err("grab_cache_page failed!");
void grab_metapage(struct metapage * mp)
{
jfs_info("grab_metapage: mp = 0x%p", mp);
- page_cache_get(mp->page);
+ get_page(mp->page);
lock_page(mp->page);
mp->count++;
lock_metapage(mp);
jfs_info("force_metapage: mp = 0x%p", mp);
set_bit(META_forcewrite, &mp->flag);
clear_bit(META_sync, &mp->flag);
- page_cache_get(page);
+ get_page(page);
lock_page(page);
set_page_dirty(page);
write_one_page(page, 1);
clear_bit(META_forcewrite, &mp->flag);
- page_cache_release(page);
+ put_page(page);
}
void hold_metapage(struct metapage *mp)
unlock_page(mp->page);
return;
}
- page_cache_get(mp->page);
+ get_page(mp->page);
mp->count++;
lock_metapage(mp);
unlock_page(mp->page);
assert(mp->count);
if (--mp->count || mp->nohomeok) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return;
}
drop_metapage(page, mp);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
void __invalidate_metapages(struct inode *ip, s64 addr, int len)
{
sector_t lblock;
- int l2BlocksPerPage = PAGE_CACHE_SHIFT - ip->i_blkbits;
+ int l2BlocksPerPage = PAGE_SHIFT - ip->i_blkbits;
int BlocksPerPage = 1 << l2BlocksPerPage;
/* All callers are interested in block device's mapping */
struct address_space *mapping =
page = find_lock_page(mapping, lblock >> l2BlocksPerPage);
if (!page)
continue;
- for (offset = 0; offset < PAGE_CACHE_SIZE; offset += PSIZE) {
+ for (offset = 0; offset < PAGE_SIZE; offset += PSIZE) {
mp = page_to_mp(page, offset);
if (!mp)
continue;
remove_from_logsync(mp);
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
lock_page(page);
if (!mp->nohomeok++) {
mark_metapage_dirty(mp);
- page_cache_get(page);
+ get_page(page);
wait_on_page_writeback(page);
}
unlock_page(page);
static inline void _metapage_homeok(struct metapage *mp)
{
if (!--mp->nohomeok)
- page_cache_release(mp->page);
+ put_page(mp->page);
}
static inline void metapage_homeok(struct metapage *mp)
* Page cache is indexed by long.
* I would use MAX_LFS_FILESIZE, but it's only half as big
*/
- sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1,
+ sb->s_maxbytes = min(((u64) PAGE_SIZE << 32) - 1,
(u64)sb->s_maxbytes);
#endif
sb->s_time_gran = 1;
struct dentry *root;
info->sb = sb;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = magic;
sb->s_op = &kernfs_sops;
sb->s_time_gran = 1;
{
struct inode *inode = d_inode(dentry);
generic_fillattr(inode, stat);
- stat->blocks = inode->i_mapping->nrpages << (PAGE_CACHE_SHIFT - 9);
+ stat->blocks = inode->i_mapping->nrpages << (PAGE_SHIFT - 9);
return 0;
}
EXPORT_SYMBOL(simple_getattr);
int simple_statfs(struct dentry *dentry, struct kstatfs *buf)
{
buf->f_type = dentry->d_sb->s_magic;
- buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_bsize = PAGE_SIZE;
buf->f_namelen = NAME_MAX;
return 0;
}
struct page *page;
pgoff_t index;
- index = pos >> PAGE_CACHE_SHIFT;
+ index = pos >> PAGE_SHIFT;
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
*pagep = page;
- if (!PageUptodate(page) && (len != PAGE_CACHE_SIZE)) {
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ if (!PageUptodate(page) && (len != PAGE_SIZE)) {
+ unsigned from = pos & (PAGE_SIZE - 1);
- zero_user_segments(page, 0, from, from + len, PAGE_CACHE_SIZE);
+ zero_user_segments(page, 0, from, from + len, PAGE_SIZE);
}
return 0;
}
/* zero the stale part of the page if we did a short copy */
if (copied < len) {
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
zero_user(page, from + copied, len - copied);
}
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
struct dentry *dentry;
int i;
- s->s_blocksize = PAGE_CACHE_SIZE;
- s->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ s->s_blocksize = PAGE_SIZE;
+ s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = magic;
s->s_op = &simple_super_operations;
s->s_time_gran = 1;
{
u64 last_fs_block = num_blocks - 1;
u64 last_fs_page =
- last_fs_block >> (PAGE_CACHE_SHIFT - blocksize_bits);
+ last_fs_block >> (PAGE_SHIFT - blocksize_bits);
if (unlikely(num_blocks == 0))
return 0;
- if ((blocksize_bits < 9) || (blocksize_bits > PAGE_CACHE_SHIFT))
+ if ((blocksize_bits < 9) || (blocksize_bits > PAGE_SHIFT))
return -EINVAL;
if ((last_fs_block > (sector_t)(~0ULL) >> (blocksize_bits - 9)) ||
bio_for_each_segment_all(bvec, bio, i) {
end_page_writeback(bvec->bv_page);
- page_cache_release(bvec->bv_page);
+ put_page(bvec->bv_page);
}
bio_put(bio);
if (atomic_dec_and_test(&super->s_pending_writes))
BUG_ON((ofs >= mtd->size) || (len > mtd->size - ofs));
BUG_ON(ofs != (ofs >> super->s_writeshift) << super->s_writeshift);
- BUG_ON(len > PAGE_CACHE_SIZE);
- page_start = ofs & PAGE_CACHE_MASK;
- page_end = PAGE_CACHE_ALIGN(ofs + len) - 1;
+ BUG_ON(len > PAGE_SIZE);
+ page_start = ofs & PAGE_MASK;
+ page_end = PAGE_ALIGN(ofs + len) - 1;
ret = mtd_write(mtd, ofs, len, &retlen, buf);
if (ret || (retlen != len))
return -EIO;
if (!page)
continue;
memset(page_address(page), 0xFF, PAGE_SIZE);
- page_cache_release(page);
+ put_page(page);
}
return 0;
}
err = loffs_mtd_write(sb, page->index << PAGE_SHIFT, PAGE_SIZE,
page_address(page));
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (err)
return err;
}
if (name->len != be16_to_cpu(dd->namelen) ||
memcmp(name->name, dd->name, name->len)) {
kunmap_atomic(dd);
- page_cache_release(page);
+ put_page(page);
continue;
}
return PTR_ERR(page);
}
index = page->index;
- page_cache_release(page);
+ put_page(page);
mutex_lock(&super->s_dirop_mutex);
logfs_add_transaction(dir, ta);
be16_to_cpu(dd->namelen),
be64_to_cpu(dd->ino), dd->type);
kunmap(page);
- page_cache_release(page);
+ put_page(page);
if (full)
break;
}
dd = kmap_atomic(page);
ino = be64_to_cpu(dd->ino);
kunmap_atomic(dd);
- page_cache_release(page);
+ put_page(page);
inode = logfs_iget(dir->i_sb, ino);
if (IS_ERR(inode))
err = logfs_write_buf(dir, page, WF_LOCK);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (!err)
grow_dir(dir, index);
return err;
map = kmap_atomic(page);
memcpy(dd, map, sizeof(*dd));
kunmap_atomic(map);
- page_cache_release(page);
+ put_page(page);
return 0;
}
{
struct inode *inode = mapping->host;
struct page *page;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
- if ((len == PAGE_CACHE_SIZE) || PageUptodate(page))
+ if ((len == PAGE_SIZE) || PageUptodate(page))
return 0;
- if ((pos & PAGE_CACHE_MASK) >= i_size_read(inode)) {
- unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+ if ((pos & PAGE_MASK) >= i_size_read(inode)) {
+ unsigned start = pos & (PAGE_SIZE - 1);
unsigned end = start + len;
/* Reading beyond i_size is simple: memset to zero */
- zero_user_segments(page, 0, start, end, PAGE_CACHE_SIZE);
+ zero_user_segments(page, 0, start, end, PAGE_SIZE);
return 0;
}
return logfs_readpage_nolock(page);
{
struct inode *inode = mapping->host;
pgoff_t index = page->index;
- unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned start = pos & (PAGE_SIZE - 1);
unsigned end = start + copied;
int ret = 0;
- BUG_ON(PAGE_CACHE_SIZE != inode->i_sb->s_blocksize);
+ BUG_ON(PAGE_SIZE != inode->i_sb->s_blocksize);
BUG_ON(page->index > I3_BLOCKS);
if (copied < len) {
if (copied == 0)
goto out; /* FIXME: do we need to update inode? */
- if (i_size_read(inode) < (index << PAGE_CACHE_SHIFT) + end) {
- i_size_write(inode, (index << PAGE_CACHE_SHIFT) + end);
+ if (i_size_read(inode) < (index << PAGE_SHIFT) + end) {
+ i_size_write(inode, (index << PAGE_SHIFT) + end);
mark_inode_dirty_sync(inode);
}
}
out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ret ? ret : copied;
}
{
struct inode *inode = page->mapping->host;
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
u64 bix;
level_t level;
return __logfs_writepage(page);
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (bix > end_index || offset == 0) {
unlock_page(page);
return 0; /* don't care */
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
return __logfs_writepage(page);
}
static void logfs_put_read_page(struct page *page)
{
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
static void logfs_lock_write_page(struct page *page)
return NULL;
err = add_to_page_cache_lru(page, mapping, index, GFP_NOFS);
if (unlikely(err)) {
- page_cache_release(page);
+ put_page(page);
if (err == -EEXIST)
goto repeat;
return NULL;
static void logfs_put_write_page(struct page *page)
{
logfs_unlock_write_page(page);
- page_cache_release(page);
+ put_page(page);
}
static struct page *logfs_get_page(struct inode *inode, u64 bix, level_t level,
if (PagePrivate(page)) {
ClearPagePrivate(page);
- page_cache_release(page);
+ put_page(page);
set_page_private(page, 0);
}
__free_block(sb, block);
block->page = page;
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
set_page_private(page, (unsigned long) block);
block->ops = &indirect_block_ops;
static int logfs_read_empty(struct page *page)
{
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_SIZE);
return 0;
}
if (err)
return err;
- zero_user_segment(page, size - pageofs, PAGE_CACHE_SIZE);
+ zero_user_segment(page, size - pageofs, PAGE_SIZE);
return logfs_segment_write(inode, page, shadow);
}
block->page = NULL;
if (PagePrivate(page)) {
ClearPagePrivate(page);
- page_cache_release(page);
+ put_page(page);
set_page_private(page, 0);
}
}
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
set_page_private(page, (unsigned long) block);
}
logfs_disk_to_inode(di, inode);
kunmap_atomic(di);
move_page_to_inode(inode, page);
- page_cache_release(page);
+ put_page(page);
return 0;
}
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
}
- page_cache_release(page);
+ put_page(page);
buf += copylen;
len -= copylen;
memset(page_address(page) + offset, 0xff, len);
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
}
- page_cache_release(page);
+ put_page(page);
}
}
struct logfs_super *super = logfs_super(sb);
u64 ofs = dev_ofs(sb, area->a_segno, area->a_used_bytes);
u32 len = super->s_segsize - area->a_used_bytes;
- pgoff_t index = PAGE_CACHE_ALIGN(ofs) >> PAGE_CACHE_SHIFT;
- pgoff_t no_indizes = len >> PAGE_CACHE_SHIFT;
+ pgoff_t index = PAGE_ALIGN(ofs) >> PAGE_SHIFT;
+ pgoff_t no_indizes = len >> PAGE_SHIFT;
struct page *page;
while (no_indizes) {
page = get_mapping_page(sb, index, 0);
BUG_ON(!page); /* FIXME: reserve a pool */
SetPageUptodate(page);
- memset(page_address(page), 0xff, PAGE_CACHE_SIZE);
+ memset(page_address(page), 0xff, PAGE_SIZE);
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
}
- page_cache_release(page);
+ put_page(page);
index++;
no_indizes--;
}
if (IS_ERR(page))
return PTR_ERR(page);
memcpy(buf, page_address(page) + offset, copylen);
- page_cache_release(page);
+ put_page(page);
buf += copylen;
len -= copylen;
if (!PagePrivate(page)) {
SetPagePrivate(page);
- page_cache_get(page);
+ get_page(page);
set_page_private(page, (unsigned long) block);
}
block->ops = &indirect_block_ops;
if (PagePrivate(page)) {
ClearPagePrivate(page);
- page_cache_release(page);
+ put_page(page);
set_page_private(page, 0);
}
block->ops = &btree_block_ops;
continue;
if (PagePrivate(page)) {
ClearPagePrivate(page);
- page_cache_release(page);
+ put_page(page);
}
- page_cache_release(page);
+ put_page(page);
}
}
if (page == emergency_page)
mutex_unlock(&emergency_mutex);
else
- page_cache_release(page);
+ put_page(page);
}
static void dump_segfile(struct super_block *sb)
logfs_set_segment_erased(sb, segno, ec, 0);
logfs_write_ds(sb, ds, segno, ec);
err = super->s_devops->write_sb(sb, page);
- page_cache_release(page);
+ put_page(page);
return err;
}
return NULL;
last = super->s_devops->find_last_sb(sb, &super->s_sb_ofs[1]);
if (!last || IS_ERR(last)) {
- page_cache_release(first);
+ put_page(first);
return NULL;
}
if (!logfs_check_ds(page_address(first))) {
- page_cache_release(last);
+ put_page(last);
return first;
}
/* First one didn't work, try the second superblock */
if (!logfs_check_ds(page_address(last))) {
- page_cache_release(first);
+ put_page(first);
return last;
}
/* Neither worked, sorry folks */
- page_cache_release(first);
- page_cache_release(last);
+ put_page(first);
+ put_page(last);
return NULL;
}
super->s_data_levels = ds->ds_data_levels;
super->s_total_levels = super->s_ifile_levels + super->s_iblock_levels
+ super->s_data_levels;
- page_cache_release(page);
+ put_page(page);
return 0;
}
static inline void dir_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
/*
static unsigned
minix_last_byte(struct inode *inode, unsigned long page_nr)
{
- unsigned last_byte = PAGE_CACHE_SIZE;
+ unsigned last_byte = PAGE_SIZE;
- if (page_nr == (inode->i_size >> PAGE_CACHE_SHIFT))
- last_byte = inode->i_size & (PAGE_CACHE_SIZE - 1);
+ if (page_nr == (inode->i_size >> PAGE_SHIFT))
+ last_byte = inode->i_size & (PAGE_SIZE - 1);
return last_byte;
}
if (pos >= inode->i_size)
return 0;
- offset = pos & ~PAGE_CACHE_MASK;
- n = pos >> PAGE_CACHE_SHIFT;
+ offset = pos & ~PAGE_MASK;
+ n = pos >> PAGE_SHIFT;
for ( ; n < npages; n++, offset = 0) {
char *p, *kaddr, *limit;
lock_page(page);
kaddr = (char*)page_address(page);
dir_end = kaddr + minix_last_byte(dir, n);
- limit = kaddr + PAGE_CACHE_SIZE - sbi->s_dirsize;
+ limit = kaddr + PAGE_SIZE - sbi->s_dirsize;
for (p = kaddr; p <= limit; p = minix_next_entry(p, sbi)) {
de = (minix_dirent *)p;
de3 = (minix3_dirent *)p;
}
kaddr = kmap_atomic(page);
- memset(kaddr, 0, PAGE_CACHE_SIZE);
+ memset(kaddr, 0, PAGE_SIZE);
if (sbi->s_version == MINIX_V3) {
minix3_dirent *de3 = (minix3_dirent *)kaddr;
err = dir_commit_chunk(page, 0, 2 * sbi->s_dirsize);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
return err;
}
* don't make any buffers if there is only one buffer on
* the page and the page just needs to be set up to date
*/
- if (inode->i_blkbits == PAGE_CACHE_SHIFT &&
+ if (inode->i_blkbits == PAGE_SHIFT &&
buffer_uptodate(bh)) {
SetPageUptodate(page);
return;
{
struct inode *inode = page->mapping->host;
const unsigned blkbits = inode->i_blkbits;
- const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;
+ const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
const unsigned blocksize = 1 << blkbits;
sector_t block_in_file;
sector_t last_block;
if (page_has_buffers(page))
goto confused;
- block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);
+ block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);
last_block = block_in_file + nr_pages * blocks_per_page;
last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;
if (last_block > last_block_in_file)
}
if (first_hole != blocks_per_page) {
- zero_user_segment(page, first_hole << blkbits, PAGE_CACHE_SIZE);
+ zero_user_segment(page, first_hole << blkbits, PAGE_SIZE);
if (first_hole == 0) {
SetPageUptodate(page);
unlock_page(page);
&first_logical_block,
get_block, gfp);
}
- page_cache_release(page);
+ put_page(page);
}
BUG_ON(!list_empty(pages));
if (bio)
struct inode *inode = page->mapping->host;
const unsigned blkbits = inode->i_blkbits;
unsigned long end_index;
- const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;
+ const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
sector_t last_block;
sector_t block_in_file;
sector_t blocks[MAX_BUF_PER_PAGE];
* The page has no buffers: map it to disk
*/
BUG_ON(!PageUptodate(page));
- block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);
+ block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);
last_block = (i_size - 1) >> blkbits;
map_bh.b_page = page;
for (page_block = 0; page_block < blocks_per_page; ) {
first_unmapped = page_block;
page_is_mapped:
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ end_index = i_size >> PAGE_SHIFT;
if (page->index >= end_index) {
/*
* The page straddles i_size. It must be zeroed out on each
* is zeroed when mapped, and writes to that region are not
* written out to the file."
*/
- unsigned offset = i_size & (PAGE_CACHE_SIZE - 1);
+ unsigned offset = i_size & (PAGE_SIZE - 1);
if (page->index > end_index || !offset)
goto confused;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
}
/*
kunmap(ctl.page);
SetPageUptodate(ctl.page);
unlock_page(ctl.page);
- page_cache_release(ctl.page);
+ put_page(ctl.page);
ctl.page = NULL;
}
ctl.idx = 0;
if (ctl.page) {
kunmap(ctl.page);
unlock_page(ctl.page);
- page_cache_release(ctl.page);
+ put_page(ctl.page);
ctl.page = NULL;
}
ctl.cache = cache;
kunmap(ctl.page);
SetPageUptodate(ctl.page);
unlock_page(ctl.page);
- page_cache_release(ctl.page);
+ put_page(ctl.page);
}
if (page) {
cache->head = ctl.head;
kunmap(page);
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
out:
return result;
kunmap(ctl.page);
SetPageUptodate(ctl.page);
unlock_page(ctl.page);
- page_cache_release(ctl.page);
+ put_page(ctl.page);
}
ctl.cache = NULL;
ctl.idx -= NCP_DIRCACHE_SIZE;
int eof;
};
-#define NCP_DIRCACHE_SIZE ((int)(PAGE_CACHE_SIZE/sizeof(struct dentry *)))
+#define NCP_DIRCACHE_SIZE ((int)(PAGE_SIZE/sizeof(struct dentry *)))
union ncp_dir_cache {
struct ncp_cache_head head;
struct dentry *dentry[NCP_DIRCACHE_SIZE];
size_t bytes_left = header->args.count;
unsigned int pg_offset = header->args.pgbase, pg_len;
struct page **pages = header->args.pages;
- int pg_index = header->args.pgbase >> PAGE_CACHE_SHIFT;
+ int pg_index = header->args.pgbase >> PAGE_SHIFT;
const bool is_dio = (header->dreq != NULL);
struct blk_plug plug;
int i;
}
if (is_dio) {
- if (pg_offset + bytes_left > PAGE_CACHE_SIZE)
- pg_len = PAGE_CACHE_SIZE - pg_offset;
+ if (pg_offset + bytes_left > PAGE_SIZE)
+ pg_len = PAGE_SIZE - pg_offset;
else
pg_len = bytes_left;
} else {
BUG_ON(pg_offset != 0);
- pg_len = PAGE_CACHE_SIZE;
+ pg_len = PAGE_SIZE;
}
if (is_hole(&be)) {
if (likely(!hdr->pnfs_error)) {
struct pnfs_block_layout *bl = BLK_LSEG2EXT(hdr->lseg);
- u64 start = hdr->args.offset & (loff_t)PAGE_CACHE_MASK;
+ u64 start = hdr->args.offset & (loff_t)PAGE_MASK;
u64 end = (hdr->args.offset + hdr->args.count +
- PAGE_CACHE_SIZE - 1) & (loff_t)PAGE_CACHE_MASK;
+ PAGE_SIZE - 1) & (loff_t)PAGE_MASK;
ext_tree_mark_written(bl, start >> SECTOR_SHIFT,
(end - start) >> SECTOR_SHIFT);
loff_t offset = header->args.offset;
size_t count = header->args.count;
struct page **pages = header->args.pages;
- int pg_index = header->args.pgbase >> PAGE_CACHE_SHIFT;
+ int pg_index = header->args.pgbase >> PAGE_SHIFT;
unsigned int pg_len;
struct blk_plug plug;
int i;
blk_start_plug(&plug);
/* we always write out the whole page */
- offset = offset & (loff_t)PAGE_CACHE_MASK;
+ offset = offset & (loff_t)PAGE_MASK;
isect = offset >> SECTOR_SHIFT;
for (i = pg_index; i < header->page_array.npages; i++) {
extent_length = be.be_length - (isect - be.be_f_offset);
}
- pg_len = PAGE_CACHE_SIZE;
+ pg_len = PAGE_SIZE;
bio = do_add_page_to_bio(bio, header->page_array.npages - i,
WRITE, isect, pages[i], &map, &be,
bl_end_io_write, par,
pgoff_t end;
/* Optimize common case that writes from 0 to end of file */
- end = DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE);
+ end = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
if (end != inode->i_mapping->nrpages) {
rcu_read_lock();
end = page_cache_next_hole(mapping, idx + 1, ULONG_MAX);
}
if (!end)
- return i_size_read(inode) - (idx << PAGE_CACHE_SHIFT);
+ return i_size_read(inode) - (idx << PAGE_SHIFT);
else
- return (end - idx) << PAGE_CACHE_SHIFT;
+ return (end - idx) << PAGE_SHIFT;
}
static void
#include "../pnfs.h"
#include "../netns.h"
-#define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT)
-#define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT)
+#define PAGE_CACHE_SECTORS (PAGE_SIZE >> SECTOR_SHIFT)
+#define PAGE_CACHE_SECTOR_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
#define SECTOR_SIZE (1 << SECTOR_SHIFT)
struct pnfs_block_dev;
server->rsize = max_rpc_payload;
if (server->rsize > NFS_MAX_FILE_IO_SIZE)
server->rsize = NFS_MAX_FILE_IO_SIZE;
- server->rpages = (server->rsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ server->rpages = (server->rsize + PAGE_SIZE - 1) >> PAGE_SHIFT;
server->backing_dev_info.name = "nfs";
server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD;
server->wsize = max_rpc_payload;
if (server->wsize > NFS_MAX_FILE_IO_SIZE)
server->wsize = NFS_MAX_FILE_IO_SIZE;
- server->wpages = (server->wsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ server->wpages = (server->wsize + PAGE_SIZE - 1) >> PAGE_SHIFT;
server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);
server->dtsize = nfs_block_size(fsinfo->dtpref, NULL);
- if (server->dtsize > PAGE_CACHE_SIZE * NFS_MAX_READDIR_PAGES)
- server->dtsize = PAGE_CACHE_SIZE * NFS_MAX_READDIR_PAGES;
+ if (server->dtsize > PAGE_SIZE * NFS_MAX_READDIR_PAGES)
+ server->dtsize = PAGE_SIZE * NFS_MAX_READDIR_PAGES;
if (server->dtsize > server->rsize)
server->dtsize = server->rsize;
{
if (!desc->page->mapping)
nfs_readdir_clear_array(desc->page);
- page_cache_release(desc->page);
+ put_page(desc->page);
desc->page = NULL;
}
* add_to_page_cache_lru() grabs an extra page refcount.
* Drop it here to avoid leaking this page later.
*/
- page_cache_release(page);
+ put_page(page);
} else
__free_page(page);
{
unsigned int i;
for (i = 0; i < npages; i++)
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo,
iov_iter_count(iter));
pos = iocb->ki_pos;
- end = (pos + iov_iter_count(iter) - 1) >> PAGE_CACHE_SHIFT;
+ end = (pos + iov_iter_count(iter) - 1) >> PAGE_SHIFT;
inode_lock(inode);
if (mapping->nrpages) {
result = invalidate_inode_pages2_range(mapping,
- pos >> PAGE_CACHE_SHIFT, end);
+ pos >> PAGE_SHIFT, end);
if (result)
goto out_unlock;
}
if (mapping->nrpages) {
invalidate_inode_pages2_range(mapping,
- pos >> PAGE_CACHE_SHIFT, end);
+ pos >> PAGE_SHIFT, end);
}
inode_unlock(inode);
loff_t pos, unsigned len)
{
unsigned int pglen = nfs_page_length(page);
- unsigned int offset = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned int offset = pos & (PAGE_SIZE - 1);
unsigned int end = offset + len;
if (pnfs_ld_read_whole_page(file->f_mapping->host)) {
struct page **pagep, void **fsdata)
{
int ret;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
int once_thru = 0;
ret = nfs_flush_incompatible(file, page);
if (ret) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
} else if (!once_thru &&
nfs_want_read_modify_write(file, page, pos, len)) {
once_thru = 1;
ret = nfs_readpage(file, page);
- page_cache_release(page);
+ put_page(page);
if (!ret)
goto start;
}
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned offset = pos & (PAGE_SIZE - 1);
struct nfs_open_context *ctx = nfs_file_open_context(file);
int status;
if (pglen == 0) {
zero_user_segments(page, 0, offset,
- end, PAGE_CACHE_SIZE);
+ end, PAGE_SIZE);
SetPageUptodate(page);
} else if (end >= pglen) {
- zero_user_segment(page, end, PAGE_CACHE_SIZE);
+ zero_user_segment(page, end, PAGE_SIZE);
if (offset == 0)
SetPageUptodate(page);
} else
- zero_user_segment(page, pglen, PAGE_CACHE_SIZE);
+ zero_user_segment(page, pglen, PAGE_SIZE);
}
status = nfs_updatepage(file, page, offset, copied);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (status < 0)
return status;
dfprintk(PAGECACHE, "NFS: invalidate_page(%p, %u, %u)\n",
page, offset, length);
- if (offset != 0 || length < PAGE_CACHE_SIZE)
+ if (offset != 0 || length < PAGE_SIZE)
return;
/* Cancel any unstarted writes on this page */
nfs_wb_page_cancel(page_file_mapping(page)->host, page);
if (i_size > 0) {
pgoff_t page_index = page_file_index(page);
- pgoff_t end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = (i_size - 1) >> PAGE_SHIFT;
if (page_index < end_index)
- return PAGE_CACHE_SIZE;
+ return PAGE_SIZE;
if (page_index == end_index)
- return ((i_size - 1) & ~PAGE_CACHE_MASK) + 1;
+ return ((i_size - 1) & ~PAGE_MASK) + 1;
}
return 0;
}
blocksize = be32_to_cpup(p);
maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
}
- maxsize >>= PAGE_CACHE_SHIFT;
+ maxsize >>= PAGE_SHIFT;
*pagemod_limit = min_t(u64, maxsize, ULONG_MAX);
return 0;
out_overflow:
dprintk("%s: index=0x%lx\n", __func__,
(page == ZERO_PAGE(0)) ? -1UL : page->index);
if (ZERO_PAGE(0) != page)
- page_cache_release(page);
+ put_page(page);
return;
}
* update_nfs_request below if the region is not locked. */
req->wb_page = page;
req->wb_index = page_file_index(page);
- page_cache_get(page);
+ get_page(page);
req->wb_offset = offset;
req->wb_pgbase = offset;
req->wb_bytes = count;
struct nfs_lock_context *l_ctx = req->wb_lock_context;
if (page != NULL) {
- page_cache_release(page);
+ put_page(page);
req->wb_page = NULL;
}
if (l_ctx != NULL) {
return false;
} else {
if (req->wb_pgbase != 0 ||
- prev->wb_pgbase + prev->wb_bytes != PAGE_CACHE_SIZE)
+ prev->wb_pgbase + prev->wb_bytes != PAGE_SIZE)
return false;
}
}
i_size = i_size_read(ino);
- lgp->args.minlength = PAGE_CACHE_SIZE;
+ lgp->args.minlength = PAGE_SIZE;
if (lgp->args.minlength > range->length)
lgp->args.minlength = range->length;
if (range->iomode == IOMODE_READ) {
spin_unlock(&clp->cl_lock);
}
- pg_offset = arg.offset & ~PAGE_CACHE_MASK;
+ pg_offset = arg.offset & ~PAGE_MASK;
if (pg_offset) {
arg.offset -= pg_offset;
arg.length += pg_offset;
}
if (arg.length != NFS4_MAX_UINT64)
- arg.length = PAGE_CACHE_ALIGN(arg.length);
+ arg.length = PAGE_ALIGN(arg.length);
lseg = send_layoutget(lo, ctx, &arg, gfp_flags);
atomic_dec(&lo->plh_outstanding);
static
int nfs_return_empty_page(struct page *page)
{
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
unlock_page(page);
return 0;
unlock_page(page);
return PTR_ERR(new);
}
- if (len < PAGE_CACHE_SIZE)
- zero_user_segment(page, len, PAGE_CACHE_SIZE);
+ if (len < PAGE_SIZE)
+ zero_user_segment(page, len, PAGE_SIZE);
nfs_pageio_init_read(&pgio, inode, false,
&nfs_async_read_completion_ops);
int error;
dprintk("NFS: nfs_readpage (%p %ld@%lu)\n",
- page, PAGE_CACHE_SIZE, page_file_index(page));
+ page, PAGE_SIZE, page_file_index(page));
nfs_inc_stats(inode, NFSIOS_VFSREADPAGE);
nfs_add_stats(inode, NFSIOS_READPAGES, 1);
if (IS_ERR(new))
goto out_error;
- if (len < PAGE_CACHE_SIZE)
- zero_user_segment(page, len, PAGE_CACHE_SIZE);
+ if (len < PAGE_SIZE)
+ zero_user_segment(page, len, PAGE_SIZE);
if (!nfs_pageio_add_request(desc->pgio, new)) {
nfs_list_remove_request(new);
nfs_readpage_release(new);
pgm = &pgio.pg_mirrors[0];
NFS_I(inode)->read_io += pgm->pg_bytes_written;
- npages = (pgm->pg_bytes_written + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ npages = (pgm->pg_bytes_written + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
nfs_add_stats(inode, NFSIOS_READPAGES, npages);
read_complete:
put_nfs_open_context(desc.ctx);
spin_lock(&inode->i_lock);
i_size = i_size_read(inode);
- end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (i_size - 1) >> PAGE_SHIFT;
if (i_size > 0 && page_file_index(page) < end_index)
goto out;
end = page_file_offset(page) + ((loff_t)offset+count);
int nfs_wb_single_page(struct inode *inode, struct page *page, bool launder)
{
loff_t range_start = page_file_offset(page);
- loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
+ loff_t range_end = range_start + (loff_t)(PAGE_SIZE - 1);
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0,
struct buffer_head *pbh;
__u64 key;
- key = page_index(bh->b_page) << (PAGE_CACHE_SHIFT -
+ key = page_index(bh->b_page) << (PAGE_SHIFT -
bmap->b_inode->i_blkbits);
for (pbh = page_buffers(bh->b_page); pbh != bh; pbh = pbh->b_this_page)
key++;
set_buffer_uptodate(bh);
unlock_page(bh->b_page);
- page_cache_release(bh->b_page);
+ put_page(bh->b_page);
return bh;
}
out_locked:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
pgoff_t index = page_index(page);
int still_dirty;
- page_cache_get(page);
+ get_page(page);
lock_page(page);
wait_on_page_writeback(page);
still_dirty = PageDirty(page);
mapping = page->mapping;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (!still_dirty && mapping)
invalidate_inode_pages2_range(mapping, index, index);
obh = ctxt->bh;
ctxt->newbh = NULL;
- if (inode->i_blkbits == PAGE_CACHE_SHIFT) {
+ if (inode->i_blkbits == PAGE_SHIFT) {
lock_page(obh->b_page);
/*
* We cannot call radix_tree_preload for the kernels older
static inline void nilfs_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
/*
{
unsigned last_byte = inode->i_size;
- last_byte -= page_nr << PAGE_CACHE_SHIFT;
- if (last_byte > PAGE_CACHE_SIZE)
- last_byte = PAGE_CACHE_SIZE;
+ last_byte -= page_nr << PAGE_SHIFT;
+ if (last_byte > PAGE_SIZE)
+ last_byte = PAGE_SIZE;
return last_byte;
}
unsigned chunk_size = nilfs_chunk_size(dir);
char *kaddr = page_address(page);
unsigned offs, rec_len;
- unsigned limit = PAGE_CACHE_SIZE;
+ unsigned limit = PAGE_SIZE;
struct nilfs_dir_entry *p;
char *error;
- if ((dir->i_size >> PAGE_CACHE_SHIFT) == page->index) {
- limit = dir->i_size & ~PAGE_CACHE_MASK;
+ if ((dir->i_size >> PAGE_SHIFT) == page->index) {
+ limit = dir->i_size & ~PAGE_MASK;
if (limit & (chunk_size - 1))
goto Ebadsize;
if (!limit)
bad_entry:
nilfs_error(sb, "nilfs_check_page", "bad entry in directory #%lu: %s - "
"offset=%lu, inode=%lu, rec_len=%d, name_len=%d",
- dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, error, (page->index<<PAGE_SHIFT)+offs,
(unsigned long) le64_to_cpu(p->inode),
rec_len, p->name_len);
goto fail;
nilfs_error(sb, "nilfs_check_page",
"entry in directory #%lu spans the page boundary"
"offset=%lu, inode=%lu",
- dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, (page->index<<PAGE_SHIFT)+offs,
(unsigned long) le64_to_cpu(p->inode));
fail:
SetPageChecked(page);
loff_t pos = ctx->pos;
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
- unsigned int offset = pos & ~PAGE_CACHE_MASK;
- unsigned long n = pos >> PAGE_CACHE_SHIFT;
+ unsigned int offset = pos & ~PAGE_MASK;
+ unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
/* unsigned chunk_mask = ~(nilfs_chunk_size(inode)-1); */
if (IS_ERR(page)) {
nilfs_error(sb, __func__, "bad page in #%lu",
inode->i_ino);
- ctx->pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_SIZE - offset;
return -EIO;
}
kaddr = page_address(page);
if (++n >= npages)
n = 0;
/* next page is past the blocks we've got */
- if (unlikely(n > (dir->i_blocks >> (PAGE_CACHE_SHIFT - 9)))) {
+ if (unlikely(n > (dir->i_blocks >> (PAGE_SHIFT - 9)))) {
nilfs_error(dir->i_sb, __func__,
"dir %lu size %lld exceeds block count %llu",
dir->i_ino, dir->i_size,
if (de) {
res = le64_to_cpu(de->inode);
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
return res;
}
kaddr = page_address(page);
dir_end = kaddr + nilfs_last_byte(dir, n);
de = (struct nilfs_dir_entry *)kaddr;
- kaddr += PAGE_CACHE_SIZE - reclen;
+ kaddr += PAGE_SIZE - reclen;
while ((char *)de <= kaddr) {
if ((char *)de == dir_end) {
/* We hit i_size */
kunmap_atomic(kaddr);
nilfs_commit_chunk(page, mapping, 0, chunk_size);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
failed:
unlock_page(bh->b_page);
- page_cache_release(bh->b_page);
+ put_page(bh->b_page);
return err;
}
if (nr_dirty)
nilfs_set_file_dirty(inode, nr_dirty);
} else if (ret) {
- unsigned nr_dirty = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ unsigned nr_dirty = 1 << (PAGE_SHIFT - inode->i_blkbits);
nilfs_set_file_dirty(inode, nr_dirty);
}
struct page *page, void *fsdata)
{
struct inode *inode = mapping->host;
- unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned start = pos & (PAGE_SIZE - 1);
unsigned nr_dirty;
int err;
failed_bh:
unlock_page(bh->b_page);
- page_cache_release(bh->b_page);
+ put_page(bh->b_page);
brelse(bh);
failed_unlock:
failed_bh:
unlock_page(bh->b_page);
- page_cache_release(bh->b_page);
+ put_page(bh->b_page);
brelse(bh);
failed:
return ret;
int nilfs_mdt_forget_block(struct inode *inode, unsigned long block)
{
pgoff_t index = (pgoff_t)block >>
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
struct page *page;
unsigned long first_block;
int ret = 0;
wait_on_page_writeback(page);
first_block = (unsigned long)index <<
- (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ (PAGE_SHIFT - inode->i_blkbits);
if (page_has_buffers(page)) {
struct buffer_head *bh;
}
still_dirty = PageDirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (still_dirty ||
invalidate_inode_pages2_range(inode->i_mapping, index, index) != 0)
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return 0;
}
bh_frozen = nilfs_page_get_nth_block(page, n);
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return bh_frozen;
}
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
nilfs_transaction_abort(old_dir->i_sb);
return err;
if (!page_has_buffers(page))
create_empty_buffers(page, 1 << blkbits, b_state);
- first_block = (unsigned long)index << (PAGE_CACHE_SHIFT - blkbits);
+ first_block = (unsigned long)index << (PAGE_SHIFT - blkbits);
bh = nilfs_page_get_nth_block(page, block - first_block);
touch_buffer(bh);
unsigned long b_state)
{
int blkbits = inode->i_blkbits;
- pgoff_t index = blkoff >> (PAGE_CACHE_SHIFT - blkbits);
+ pgoff_t index = blkoff >> (PAGE_SHIFT - blkbits);
struct page *page;
struct buffer_head *bh;
bh = __nilfs_get_page_block(page, blkoff, index, blkbits, b_state);
if (unlikely(!bh)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return NULL;
}
return bh;
__set_page_dirty_nobuffers(dpage);
unlock_page(dpage);
- page_cache_release(dpage);
+ put_page(dpage);
unlock_page(page);
}
pagevec_release(&pvec);
WARN_ON(PageDirty(dpage));
nilfs_copy_page(dpage, page, 0);
unlock_page(dpage);
- page_cache_release(dpage);
+ put_page(dpage);
} else {
struct page *page2;
if (unlikely(err < 0)) {
WARN_ON(err == -EEXIST);
page->mapping = NULL;
- page_cache_release(page); /* for cache */
+ put_page(page); /* for cache */
} else {
page->mapping = dmap;
dmap->nrpages++;
if (inode->i_mapping->nrpages == 0)
return 0;
- index = start_blk >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
- nblocks_in_page = 1U << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ index = start_blk >> (PAGE_SHIFT - inode->i_blkbits);
+ nblocks_in_page = 1U << (PAGE_SHIFT - inode->i_blkbits);
pagevec_init(&pvec, 0);
if (length > 0 && pvec.pages[0]->index > index)
goto out;
- b = pvec.pages[0]->index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ b = pvec.pages[0]->index << (PAGE_SHIFT - inode->i_blkbits);
i = 0;
do {
page = pvec.pages[i];
blocksize, page, NULL);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
(*nr_salvaged_blocks)++;
goto next;
failed_page:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
failed_inode:
printk(KERN_WARNING
goto failed_to_write;
if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE ||
- nilfs->ns_blocksize_bits != PAGE_CACHE_SHIFT) {
+ nilfs->ns_blocksize_bits != PAGE_SHIFT) {
/*
* At this point, we avoid double buffering
* for blocksize < pagesize because page dirty
set_buffer_uptodate(bh);
- file_ofs = ((s64)page->index << PAGE_CACHE_SHIFT) +
+ file_ofs = ((s64)page->index << PAGE_SHIFT) +
bh_offset(bh);
read_lock_irqsave(&ni->size_lock, flags);
init_size = ni->initialized_size;
u32 rec_size;
rec_size = ni->itype.index.block_size;
- recs = PAGE_CACHE_SIZE / rec_size;
+ recs = PAGE_SIZE / rec_size;
/* Should have been verified before we got here... */
BUG_ON(!recs);
local_irq_save(flags);
* fully truncated, truncate will throw it away as soon as we unlock
* it so no need to worry what we do with it.
*/
- iblock = (s64)page->index << (PAGE_CACHE_SHIFT - blocksize_bits);
+ iblock = (s64)page->index << (PAGE_SHIFT - blocksize_bits);
read_lock_irqsave(&ni->size_lock, flags);
lblock = (ni->allocated_size + blocksize - 1) >> blocksize_bits;
init_size = ni->initialized_size;
vi = page->mapping->host;
i_size = i_size_read(vi);
/* Is the page fully outside i_size? (truncate in progress) */
- if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ if (unlikely(page->index >= (i_size + PAGE_SIZE - 1) >>
+ PAGE_SHIFT)) {
+ zero_user(page, 0, PAGE_SIZE);
ntfs_debug("Read outside i_size - truncated?");
goto done;
}
* ok to ignore the compressed flag here.
*/
if (unlikely(page->index > 0)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
goto done;
}
if (!NInoAttr(ni))
le16_to_cpu(ctx->attr->data.resident.value_offset),
attr_len);
/* Zero the remainder of the page. */
- memset(addr + attr_len, 0, PAGE_CACHE_SIZE - attr_len);
+ memset(addr + attr_len, 0, PAGE_SIZE - attr_len);
flush_dcache_page(page);
kunmap_atomic(addr);
put_unm_err_out:
/* NOTE: Different naming scheme to ntfs_read_block()! */
/* The first block in the page. */
- block = (s64)page->index << (PAGE_CACHE_SHIFT - blocksize_bits);
+ block = (s64)page->index << (PAGE_SHIFT - blocksize_bits);
read_lock_irqsave(&ni->size_lock, flags);
i_size = i_size_read(vi);
ntfs_volume *vol = ni->vol;
u8 *kaddr;
unsigned int rec_size = ni->itype.index.block_size;
- ntfs_inode *locked_nis[PAGE_CACHE_SIZE / rec_size];
+ ntfs_inode *locked_nis[PAGE_SIZE / rec_size];
struct buffer_head *bh, *head, *tbh, *rec_start_bh;
struct buffer_head *bhs[MAX_BUF_PER_PAGE];
runlist_element *rl;
(NInoAttr(ni) && ni->type == AT_INDEX_ALLOCATION)));
bh_size = vol->sb->s_blocksize;
bh_size_bits = vol->sb->s_blocksize_bits;
- max_bhs = PAGE_CACHE_SIZE / bh_size;
+ max_bhs = PAGE_SIZE / bh_size;
BUG_ON(!max_bhs);
BUG_ON(max_bhs > MAX_BUF_PER_PAGE);
BUG_ON(!bh);
rec_size_bits = ni->itype.index.block_size_bits;
- BUG_ON(!(PAGE_CACHE_SIZE >> rec_size_bits));
+ BUG_ON(!(PAGE_SIZE >> rec_size_bits));
bhs_per_rec = rec_size >> bh_size_bits;
BUG_ON(!bhs_per_rec);
/* The first block in the page. */
rec_block = block = (sector_t)page->index <<
- (PAGE_CACHE_SHIFT - bh_size_bits);
+ (PAGE_SHIFT - bh_size_bits);
/* The first out of bounds block for the data size. */
dblock = (i_size_read(vi) + bh_size - 1) >> bh_size_bits;
unsigned long mft_no;
/* Get the mft record number. */
- mft_no = (((s64)page->index << PAGE_CACHE_SHIFT) + ofs)
+ mft_no = (((s64)page->index << PAGE_SHIFT) + ofs)
>> rec_size_bits;
/* Check whether to write this mft record. */
tni = NULL;
continue;
ofs = bh_offset(tbh);
/* Get the mft record number. */
- mft_no = (((s64)page->index << PAGE_CACHE_SHIFT) + ofs)
+ mft_no = (((s64)page->index << PAGE_SHIFT) + ofs)
>> rec_size_bits;
if (mft_no < vol->mftmirr_size)
ntfs_sync_mft_mirror(vol, mft_no,
* Set page error if there is only one ntfs record in the page.
* Otherwise we would loose per-record granularity.
*/
- if (ni->itype.index.block_size == PAGE_CACHE_SIZE)
+ if (ni->itype.index.block_size == PAGE_SIZE)
SetPageError(page);
NVolSetErrors(vol);
}
ntfs_debug("Page still contains one or more dirty ntfs "
"records. Redirtying the page starting at "
"record 0x%lx.", page->index <<
- (PAGE_CACHE_SHIFT - rec_size_bits));
+ (PAGE_SHIFT - rec_size_bits));
redirty_page_for_writepage(wbc, page);
unlock_page(page);
} else {
BUG_ON(!PageLocked(page));
i_size = i_size_read(vi);
/* Is the page fully outside i_size? (truncate in progress) */
- if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT)) {
+ if (unlikely(page->index >= (i_size + PAGE_SIZE - 1) >>
+ PAGE_SHIFT)) {
/*
* The page may have dirty, unmapped buffers. Make them
* freeable here, so the page does not leak.
*/
- block_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ block_invalidatepage(page, 0, PAGE_SIZE);
unlock_page(page);
ntfs_debug("Write outside i_size - truncated?");
return 0;
/* NInoNonResident() == NInoIndexAllocPresent() */
if (NInoNonResident(ni)) {
/* We have to zero every time due to mmap-at-end-of-file. */
- if (page->index >= (i_size >> PAGE_CACHE_SHIFT)) {
+ if (page->index >= (i_size >> PAGE_SHIFT)) {
/* The page straddles i_size. */
- unsigned int ofs = i_size & ~PAGE_CACHE_MASK;
- zero_user_segment(page, ofs, PAGE_CACHE_SIZE);
+ unsigned int ofs = i_size & ~PAGE_MASK;
+ zero_user_segment(page, ofs, PAGE_SIZE);
}
/* Handle mst protected attributes. */
if (NInoMstProtected(ni))
le16_to_cpu(ctx->attr->data.resident.value_offset),
addr, attr_len);
/* Zero out of bounds area in the page cache page. */
- memset(addr + attr_len, 0, PAGE_CACHE_SIZE - attr_len);
+ memset(addr + attr_len, 0, PAGE_SIZE - attr_len);
kunmap_atomic(addr);
flush_dcache_page(page);
flush_dcache_mft_record_page(ctx->ntfs_ino);
static inline void ntfs_unmap_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
/**
if (old_ctx.base_ntfs_ino && old_ctx.ntfs_ino !=
old_ctx.base_ntfs_ino) {
put_this_page = old_ctx.ntfs_ino->page;
- page_cache_get(put_this_page);
+ get_page(put_this_page);
}
/*
* Reinitialize the search context so we can lookup the
* the pieces anyway.
*/
if (put_this_page)
- page_cache_release(put_this_page);
+ put_page(put_this_page);
}
return err;
}
memcpy(kaddr, (u8*)a +
le16_to_cpu(a->data.resident.value_offset),
attr_size);
- memset(kaddr + attr_size, 0, PAGE_CACHE_SIZE - attr_size);
+ memset(kaddr + attr_size, 0, PAGE_SIZE - attr_size);
kunmap_atomic(kaddr);
flush_dcache_page(page);
SetPageUptodate(page);
if (page) {
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
ntfs_debug("Done.");
return 0;
ntfs_free(rl);
page_err_out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
if (err == -EINVAL)
err = -EIO;
BUG_ON(NInoEncrypted(ni));
mapping = VFS_I(ni)->i_mapping;
/* Work out the starting index and page offset. */
- idx = ofs >> PAGE_CACHE_SHIFT;
- start_ofs = ofs & ~PAGE_CACHE_MASK;
+ idx = ofs >> PAGE_SHIFT;
+ start_ofs = ofs & ~PAGE_MASK;
/* Work out the ending index and page offset. */
end = ofs + cnt;
- end_ofs = end & ~PAGE_CACHE_MASK;
+ end_ofs = end & ~PAGE_MASK;
/* If the end is outside the inode size return -ESPIPE. */
if (unlikely(end > i_size_read(VFS_I(ni)))) {
ntfs_error(vol->sb, "Request exceeds end of attribute.");
return -ESPIPE;
}
- end >>= PAGE_CACHE_SHIFT;
+ end >>= PAGE_SHIFT;
/* If there is a first partial page, need to do it the slow way. */
if (start_ofs) {
page = read_mapping_page(mapping, idx, NULL);
* If the last page is the same as the first page, need to
* limit the write to the end offset.
*/
- size = PAGE_CACHE_SIZE;
+ size = PAGE_SIZE;
if (idx == end)
size = end_ofs;
kaddr = kmap_atomic(page);
flush_dcache_page(page);
kunmap_atomic(kaddr);
set_page_dirty(page);
- page_cache_release(page);
+ put_page(page);
balance_dirty_pages_ratelimited(mapping);
cond_resched();
if (idx == end)
return -ENOMEM;
}
kaddr = kmap_atomic(page);
- memset(kaddr, val, PAGE_CACHE_SIZE);
+ memset(kaddr, val, PAGE_SIZE);
flush_dcache_page(page);
kunmap_atomic(kaddr);
/*
set_page_dirty(page);
/* Finally unlock and release the page. */
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
balance_dirty_pages_ratelimited(mapping);
cond_resched();
}
flush_dcache_page(page);
kunmap_atomic(kaddr);
set_page_dirty(page);
- page_cache_release(page);
+ put_page(page);
balance_dirty_pages_ratelimited(mapping);
cond_resched();
}
* Calculate the indices for the pages containing the first and last
* bits, i.e. @start_bit and @start_bit + @cnt - 1, respectively.
*/
- index = start_bit >> (3 + PAGE_CACHE_SHIFT);
- end_index = (start_bit + cnt - 1) >> (3 + PAGE_CACHE_SHIFT);
+ index = start_bit >> (3 + PAGE_SHIFT);
+ end_index = (start_bit + cnt - 1) >> (3 + PAGE_SHIFT);
/* Get the page containing the first bit (@start_bit). */
mapping = vi->i_mapping;
kaddr = page_address(page);
/* Set @pos to the position of the byte containing @start_bit. */
- pos = (start_bit >> 3) & ~PAGE_CACHE_MASK;
+ pos = (start_bit >> 3) & ~PAGE_MASK;
/* Calculate the position of @start_bit in the first byte. */
bit = start_bit & 7;
* Depending on @value, modify all remaining whole bytes in the page up
* to @cnt.
*/
- len = min_t(s64, cnt >> 3, PAGE_CACHE_SIZE - pos);
+ len = min_t(s64, cnt >> 3, PAGE_SIZE - pos);
memset(kaddr + pos, value ? 0xff : 0, len);
cnt -= len << 3;
* Depending on @value, modify all remaining whole bytes in the
* page up to @cnt.
*/
- len = min_t(s64, cnt >> 3, PAGE_CACHE_SIZE);
+ len = min_t(s64, cnt >> 3, PAGE_SIZE);
memset(kaddr, value ? 0xff : 0, len);
cnt -= len << 3;
}
unsigned int kp_ofs;
ntfs_debug("Zeroing page region outside initialized size.");
- if (((s64)page->index << PAGE_CACHE_SHIFT) >= initialized_size) {
+ if (((s64)page->index << PAGE_SHIFT) >= initialized_size) {
/*
* FIXME: Using clear_page() will become wrong when we get
* PAGE_CACHE_SIZE != PAGE_SIZE but for now there is no problem.
clear_page(kp);
return;
}
- kp_ofs = initialized_size & ~PAGE_CACHE_MASK;
- memset(kp + kp_ofs, 0, PAGE_CACHE_SIZE - kp_ofs);
+ kp_ofs = initialized_size & ~PAGE_MASK;
+ memset(kp + kp_ofs, 0, PAGE_SIZE - kp_ofs);
return;
}
static inline void handle_bounds_compressed_page(struct page *page,
const loff_t i_size, const s64 initialized_size)
{
- if ((page->index >= (initialized_size >> PAGE_CACHE_SHIFT)) &&
+ if ((page->index >= (initialized_size >> PAGE_SHIFT)) &&
(initialized_size < i_size))
zero_partial_compressed_page(page, initialized_size);
return;
if (di == xpage)
*xpage_done = 1;
else
- page_cache_release(dp);
+ put_page(dp);
dest_pages[di] = NULL;
}
}
cb = cb_sb_end;
/* Advance destination position to next sub-block. */
- *dest_ofs = (*dest_ofs + NTFS_SB_SIZE) & ~PAGE_CACHE_MASK;
+ *dest_ofs = (*dest_ofs + NTFS_SB_SIZE) & ~PAGE_MASK;
if (!*dest_ofs && (++*dest_index > dest_max_index))
goto return_overflow;
goto do_next_sb;
/* Advance destination position to next sub-block. */
*dest_ofs += NTFS_SB_SIZE;
- if (!(*dest_ofs &= ~PAGE_CACHE_MASK)) {
+ if (!(*dest_ofs &= ~PAGE_MASK)) {
finalize_page:
/*
* First stage: add current page index to array of
*dest_ofs += nr_bytes;
}
/* We have finished the current sub-block. */
- if (!(*dest_ofs &= ~PAGE_CACHE_MASK))
+ if (!(*dest_ofs &= ~PAGE_MASK))
goto finalize_page;
goto do_next_sb;
}
VCN vcn;
LCN lcn;
/* The first wanted vcn (minimum alignment is PAGE_CACHE_SIZE). */
- VCN start_vcn = (((s64)index << PAGE_CACHE_SHIFT) & ~cb_size_mask) >>
+ VCN start_vcn = (((s64)index << PAGE_SHIFT) & ~cb_size_mask) >>
vol->cluster_size_bits;
/*
* The first vcn after the last wanted vcn (minimum alignment is again
* PAGE_CACHE_SIZE.
*/
- VCN end_vcn = ((((s64)(index + 1UL) << PAGE_CACHE_SHIFT) + cb_size - 1)
+ VCN end_vcn = ((((s64)(index + 1UL) << PAGE_SHIFT) + cb_size - 1)
& ~cb_size_mask) >> vol->cluster_size_bits;
/* Number of compression blocks (cbs) in the wanted vcn range. */
unsigned int nr_cbs = (end_vcn - start_vcn) << vol->cluster_size_bits
* guarantees of start_vcn and end_vcn, no need to round up here.
*/
unsigned int nr_pages = (end_vcn - start_vcn) <<
- vol->cluster_size_bits >> PAGE_CACHE_SHIFT;
+ vol->cluster_size_bits >> PAGE_SHIFT;
unsigned int xpage, max_page, cur_page, cur_ofs, i;
unsigned int cb_clusters, cb_max_ofs;
int block, max_block, cb_max_page, bhs_size, nr_bhs, err = 0;
* We have already been given one page, this is the one we must do.
* Once again, the alignment guarantees keep it simple.
*/
- offset = start_vcn << vol->cluster_size_bits >> PAGE_CACHE_SHIFT;
+ offset = start_vcn << vol->cluster_size_bits >> PAGE_SHIFT;
xpage = index - offset;
pages[xpage] = page;
/*
i_size = i_size_read(VFS_I(ni));
initialized_size = ni->initialized_size;
read_unlock_irqrestore(&ni->size_lock, flags);
- max_page = ((i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) -
+ max_page = ((i_size + PAGE_SIZE - 1) >> PAGE_SHIFT) -
offset;
/* Is the page fully outside i_size? (truncate in progress) */
if (xpage >= max_page) {
kfree(bhs);
kfree(pages);
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
ntfs_debug("Compressed read outside i_size - truncated?");
SetPageUptodate(page);
unlock_page(page);
continue;
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
pages[i] = NULL;
}
}
ntfs_debug("Successfully read the compression block.");
/* The last page and maximum offset within it for the current cb. */
- cb_max_page = (cur_page << PAGE_CACHE_SHIFT) + cur_ofs + cb_size;
- cb_max_ofs = cb_max_page & ~PAGE_CACHE_MASK;
- cb_max_page >>= PAGE_CACHE_SHIFT;
+ cb_max_page = (cur_page << PAGE_SHIFT) + cur_ofs + cb_size;
+ cb_max_ofs = cb_max_page & ~PAGE_MASK;
+ cb_max_page >>= PAGE_SHIFT;
/* Catch end of file inside a compression block. */
if (cb_max_page > max_page)
clear_page(page_address(page));
else
memset(page_address(page) + cur_ofs, 0,
- PAGE_CACHE_SIZE -
+ PAGE_SIZE -
cur_ofs);
flush_dcache_page(page);
kunmap(page);
if (cur_page == xpage)
xpage_done = 1;
else
- page_cache_release(page);
+ put_page(page);
pages[cur_page] = NULL;
}
- cb_pos += PAGE_CACHE_SIZE - cur_ofs;
+ cb_pos += PAGE_SIZE - cur_ofs;
cur_ofs = 0;
if (cb_pos >= cb_end)
break;
page = pages[cur_page];
if (page)
memcpy(page_address(page) + cur_ofs, cb_pos,
- PAGE_CACHE_SIZE - cur_ofs);
- cb_pos += PAGE_CACHE_SIZE - cur_ofs;
+ PAGE_SIZE - cur_ofs);
+ cb_pos += PAGE_SIZE - cur_ofs;
cur_ofs = 0;
if (cb_pos >= cb_end)
break;
if (cur2_page == xpage)
xpage_done = 1;
else
- page_cache_release(page);
+ put_page(page);
pages[cur2_page] = NULL;
}
- cb_pos2 += PAGE_CACHE_SIZE - cur_ofs2;
+ cb_pos2 += PAGE_SIZE - cur_ofs2;
cur_ofs2 = 0;
if (cb_pos2 >= cb_end)
break;
kunmap(page);
unlock_page(page);
if (prev_cur_page != xpage)
- page_cache_release(page);
+ put_page(page);
pages[prev_cur_page] = NULL;
}
}
kunmap(page);
unlock_page(page);
if (cur_page != xpage)
- page_cache_release(page);
+ put_page(page);
pages[cur_page] = NULL;
}
}
kunmap(page);
unlock_page(page);
if (i != xpage)
- page_cache_release(page);
+ put_page(page);
}
}
kfree(pages);
* disk if necessary.
*/
page = ntfs_map_page(ia_mapping, vcn <<
- dir_ni->itype.index.vcn_size_bits >> PAGE_CACHE_SHIFT);
+ dir_ni->itype.index.vcn_size_bits >> PAGE_SHIFT);
if (IS_ERR(page)) {
ntfs_error(sb, "Failed to map directory index page, error %ld.",
-PTR_ERR(page));
fast_descend_into_child_node:
/* Get to the index allocation block. */
ia = (INDEX_ALLOCATION*)(kaddr + ((vcn <<
- dir_ni->itype.index.vcn_size_bits) & ~PAGE_CACHE_MASK));
+ dir_ni->itype.index.vcn_size_bits) & ~PAGE_MASK));
/* Bounds checks. */
- if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE) {
+ if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
"inode 0x%lx or driver bug.", dir_ni->mft_no);
goto unm_err_out;
goto unm_err_out;
}
index_end = (u8*)ia + dir_ni->itype.index.block_size;
- if (index_end > kaddr + PAGE_CACHE_SIZE) {
+ if (index_end > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of directory inode "
"0x%lx crosses page boundary. Impossible! "
"Cannot access! This is probably a bug in the "
/* If vcn is in the same page cache page as old_vcn we
* recycle the mapped page. */
if (old_vcn << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT == vcn <<
+ PAGE_SHIFT == vcn <<
vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT)
+ PAGE_SHIFT)
goto fast_descend_into_child_node;
unlock_page(page);
ntfs_unmap_page(page);
goto iput_err_out;
}
/* Get the starting bit position in the current bitmap page. */
- cur_bmp_pos = bmp_pos & ((PAGE_CACHE_SIZE * 8) - 1);
- bmp_pos &= ~(u64)((PAGE_CACHE_SIZE * 8) - 1);
+ cur_bmp_pos = bmp_pos & ((PAGE_SIZE * 8) - 1);
+ bmp_pos &= ~(u64)((PAGE_SIZE * 8) - 1);
get_next_bmp_page:
ntfs_debug("Reading bitmap with page index 0x%llx, bit ofs 0x%llx",
- (unsigned long long)bmp_pos >> (3 + PAGE_CACHE_SHIFT),
+ (unsigned long long)bmp_pos >> (3 + PAGE_SHIFT),
(unsigned long long)bmp_pos &
- (unsigned long long)((PAGE_CACHE_SIZE * 8) - 1));
+ (unsigned long long)((PAGE_SIZE * 8) - 1));
bmp_page = ntfs_map_page(bmp_mapping,
- bmp_pos >> (3 + PAGE_CACHE_SHIFT));
+ bmp_pos >> (3 + PAGE_SHIFT));
if (IS_ERR(bmp_page)) {
ntfs_error(sb, "Reading index bitmap failed.");
err = PTR_ERR(bmp_page);
* If we have reached the end of the bitmap page, get the next
* page, and put away the old one.
*/
- if (unlikely((cur_bmp_pos >> 3) >= PAGE_CACHE_SIZE)) {
+ if (unlikely((cur_bmp_pos >> 3) >= PAGE_SIZE)) {
ntfs_unmap_page(bmp_page);
- bmp_pos += PAGE_CACHE_SIZE * 8;
+ bmp_pos += PAGE_SIZE * 8;
cur_bmp_pos = 0;
goto get_next_bmp_page;
}
ntfs_debug("Handling index buffer 0x%llx.",
(unsigned long long)bmp_pos + cur_bmp_pos);
/* If the current index buffer is in the same page we reuse the page. */
- if ((prev_ia_pos & (s64)PAGE_CACHE_MASK) !=
- (ia_pos & (s64)PAGE_CACHE_MASK)) {
+ if ((prev_ia_pos & (s64)PAGE_MASK) !=
+ (ia_pos & (s64)PAGE_MASK)) {
prev_ia_pos = ia_pos;
if (likely(ia_page != NULL)) {
unlock_page(ia_page);
* Map the page cache page containing the current ia_pos,
* reading it from disk if necessary.
*/
- ia_page = ntfs_map_page(ia_mapping, ia_pos >> PAGE_CACHE_SHIFT);
+ ia_page = ntfs_map_page(ia_mapping, ia_pos >> PAGE_SHIFT);
if (IS_ERR(ia_page)) {
ntfs_error(sb, "Reading index allocation data failed.");
err = PTR_ERR(ia_page);
kaddr = (u8*)page_address(ia_page);
}
/* Get the current index buffer. */
- ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK &
- ~(s64)(ndir->itype.index.block_size - 1)));
+ ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_MASK &
+ ~(s64)(ndir->itype.index.block_size - 1)));
/* Bounds checks. */
- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
+ if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE)) {
ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
"inode 0x%lx or driver bug.", vdir->i_ino);
goto err_out;
goto err_out;
}
index_end = (u8*)ia + ndir->itype.index.block_size;
- if (unlikely(index_end > kaddr + PAGE_CACHE_SIZE)) {
+ if (unlikely(index_end > kaddr + PAGE_SIZE)) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of directory inode "
"0x%lx crosses page boundary. Impossible! "
"Cannot access! This is probably a bug in the "
m = NULL;
}
mapping = vi->i_mapping;
- index = old_init_size >> PAGE_CACHE_SHIFT;
- end_index = (new_init_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ index = old_init_size >> PAGE_SHIFT;
+ end_index = (new_init_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
do {
/*
* Read the page. If the page is not present, this will zero
goto init_err_out;
}
if (unlikely(PageError(page))) {
- page_cache_release(page);
+ put_page(page);
err = -EIO;
goto init_err_out;
}
* enough to make ntfs_writepage() work.
*/
write_lock_irqsave(&ni->size_lock, flags);
- ni->initialized_size = (s64)(index + 1) << PAGE_CACHE_SHIFT;
+ ni->initialized_size = (s64)(index + 1) << PAGE_SHIFT;
if (ni->initialized_size > new_init_size)
ni->initialized_size = new_init_size;
write_unlock_irqrestore(&ni->size_lock, flags);
/* Set the page dirty so it gets written out. */
set_page_dirty(page);
- page_cache_release(page);
+ put_page(page);
/*
* Play nice with the vm and the rest of the system. This is
* very much needed as we can potentially be modifying the
err_out:
while (nr > 0) {
unlock_page(pages[--nr]);
- page_cache_release(pages[nr]);
+ put_page(pages[nr]);
}
goto out;
}
u = 0;
do_next_page:
page = pages[u];
- bh_pos = (s64)page->index << PAGE_CACHE_SHIFT;
+ bh_pos = (s64)page->index << PAGE_SHIFT;
bh = head = page_buffers(page);
do {
VCN cdelta;
kaddr = kmap_atomic(page);
if (bh_pos < pos) {
- pofs = bh_pos & ~PAGE_CACHE_MASK;
+ pofs = bh_pos & ~PAGE_MASK;
memset(kaddr + pofs, 0, pos - bh_pos);
}
if (bh_end > end) {
- pofs = end & ~PAGE_CACHE_MASK;
+ pofs = end & ~PAGE_MASK;
memset(kaddr + pofs, 0, bh_end - end);
}
kunmap_atomic(kaddr);
* unmapped. This can only happen when the cluster size is
* less than the page cache size.
*/
- if (unlikely(vol->cluster_size < PAGE_CACHE_SIZE)) {
+ if (unlikely(vol->cluster_size < PAGE_SIZE)) {
bh_cend = (bh_end + vol->cluster_size - 1) >>
vol->cluster_size_bits;
if ((bh_cend <= cpos || bh_cpos >= cend)) {
wait_on_buffer(bh);
if (likely(buffer_uptodate(bh))) {
page = bh->b_page;
- bh_pos = ((s64)page->index << PAGE_CACHE_SHIFT) +
+ bh_pos = ((s64)page->index << PAGE_SHIFT) +
bh_offset(bh);
/*
* If the buffer overflows the initialized size, need
bh = head = page_buffers(page);
do {
if (u == nr_pages &&
- ((s64)page->index << PAGE_CACHE_SHIFT) +
+ ((s64)page->index << PAGE_SHIFT) +
bh_offset(bh) >= end)
break;
if (!buffer_new(bh))
bool partial;
page = pages[u];
- bh_pos = (s64)page->index << PAGE_CACHE_SHIFT;
+ bh_pos = (s64)page->index << PAGE_SHIFT;
bh = head = page_buffers(page);
partial = false;
do {
if (end < attr_len)
memcpy(kaddr + end, kattr + end, attr_len - end);
/* Zero the region outside the end of the attribute value. */
- memset(kaddr + attr_len, 0, PAGE_CACHE_SIZE - attr_len);
+ memset(kaddr + attr_len, 0, PAGE_SIZE - attr_len);
flush_dcache_page(page);
SetPageUptodate(page);
}
unsigned len, copied;
do {
- len = PAGE_CACHE_SIZE - ofs;
+ len = PAGE_SIZE - ofs;
if (len > bytes)
len = bytes;
copied = iov_iter_copy_from_user_atomic(*pages, &data, ofs,
return total;
err:
/* Zero the rest of the target like __copy_from_user(). */
- len = PAGE_CACHE_SIZE - copied;
+ len = PAGE_SIZE - copied;
do {
if (len > bytes)
len = bytes;
zero_user(*pages, copied, len);
bytes -= len;
copied = 0;
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
} while (++pages < last_page);
goto out;
}
* attributes.
*/
nr_pages = 1;
- if (vol->cluster_size > PAGE_CACHE_SIZE && NInoNonResident(ni))
- nr_pages = vol->cluster_size >> PAGE_CACHE_SHIFT;
+ if (vol->cluster_size > PAGE_SIZE && NInoNonResident(ni))
+ nr_pages = vol->cluster_size >> PAGE_SHIFT;
last_vcn = -1;
do {
VCN vcn;
unsigned ofs, do_pages, u;
size_t copied;
- start_idx = idx = pos >> PAGE_CACHE_SHIFT;
- ofs = pos & ~PAGE_CACHE_MASK;
- bytes = PAGE_CACHE_SIZE - ofs;
+ start_idx = idx = pos >> PAGE_SHIFT;
+ ofs = pos & ~PAGE_MASK;
+ bytes = PAGE_SIZE - ofs;
do_pages = 1;
if (nr_pages > 1) {
vcn = pos >> vol->cluster_size_bits;
if (lcn == LCN_HOLE) {
start_idx = (pos & ~(s64)
vol->cluster_size_mask)
- >> PAGE_CACHE_SHIFT;
+ >> PAGE_SHIFT;
bytes = vol->cluster_size - (pos &
vol->cluster_size_mask);
do_pages = nr_pages;
if (unlikely(status)) {
do {
unlock_page(pages[--do_pages]);
- page_cache_release(pages[do_pages]);
+ put_page(pages[do_pages]);
} while (do_pages);
break;
}
}
- u = (pos >> PAGE_CACHE_SHIFT) - pages[0]->index;
+ u = (pos >> PAGE_SHIFT) - pages[0]->index;
copied = ntfs_copy_from_user_iter(pages + u, do_pages - u, ofs,
i, bytes);
ntfs_flush_dcache_pages(pages + u, do_pages - u);
}
do {
unlock_page(pages[--do_pages]);
- page_cache_release(pages[do_pages]);
+ put_page(pages[do_pages]);
} while (do_pages);
if (unlikely(status < 0))
break;
}
} while (iov_iter_count(i));
if (cached_page)
- page_cache_release(cached_page);
+ put_page(cached_page);
ntfs_debug("Done. Returning %s (written 0x%lx, status %li).",
written ? "written" : "status", (unsigned long)written,
(long)status);
* disk if necessary.
*/
page = ntfs_map_page(ia_mapping, vcn <<
- idx_ni->itype.index.vcn_size_bits >> PAGE_CACHE_SHIFT);
+ idx_ni->itype.index.vcn_size_bits >> PAGE_SHIFT);
if (IS_ERR(page)) {
ntfs_error(sb, "Failed to map index page, error %ld.",
-PTR_ERR(page));
fast_descend_into_child_node:
/* Get to the index allocation block. */
ia = (INDEX_ALLOCATION*)(kaddr + ((vcn <<
- idx_ni->itype.index.vcn_size_bits) & ~PAGE_CACHE_MASK));
+ idx_ni->itype.index.vcn_size_bits) & ~PAGE_MASK));
/* Bounds checks. */
- if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE) {
+ if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Out of bounds check failed. Corrupt inode "
"0x%lx or driver bug.", idx_ni->mft_no);
goto unm_err_out;
goto unm_err_out;
}
index_end = (u8*)ia + idx_ni->itype.index.block_size;
- if (index_end > kaddr + PAGE_CACHE_SIZE) {
+ if (index_end > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of inode 0x%lx "
"crosses page boundary. Impossible! Cannot "
"access! This is probably a bug in the "
* the mapped page.
*/
if (old_vcn << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT == vcn <<
+ PAGE_SHIFT == vcn <<
vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT)
+ PAGE_SHIFT)
goto fast_descend_into_child_node;
unlock_page(page);
ntfs_unmap_page(page);
ni->itype.index.block_size);
goto unm_err_out;
}
- if (ni->itype.index.block_size > PAGE_CACHE_SIZE) {
+ if (ni->itype.index.block_size > PAGE_SIZE) {
ntfs_error(vi->i_sb, "Index block size (%u) > "
"PAGE_CACHE_SIZE (%ld) is not "
"supported. Sorry.",
ni->itype.index.block_size,
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
err = -EOPNOTSUPP;
goto unm_err_out;
}
"two.", ni->itype.index.block_size);
goto unm_err_out;
}
- if (ni->itype.index.block_size > PAGE_CACHE_SIZE) {
+ if (ni->itype.index.block_size > PAGE_SIZE) {
ntfs_error(vi->i_sb, "Index block size (%u) > PAGE_CACHE_SIZE "
"(%ld) is not supported. Sorry.",
- ni->itype.index.block_size, PAGE_CACHE_SIZE);
+ ni->itype.index.block_size, PAGE_SIZE);
err = -EOPNOTSUPP;
goto unm_err_out;
}
ntfs_unmap_page(page);
}
page = ntfs_map_page(mapping, last_read_pos >>
- PAGE_CACHE_SHIFT);
+ PAGE_SHIFT);
if (IS_ERR(page)) {
err = PTR_ERR(page);
ntfs_error(vol->sb, "Failed to map page.");
goto out;
}
- buf_size = last_read_pos & ~PAGE_CACHE_MASK;
+ buf_size = last_read_pos & ~PAGE_MASK;
buf = page_address(page) + buf_size;
- buf_size = PAGE_CACHE_SIZE - buf_size;
+ buf_size = PAGE_SIZE - buf_size;
if (unlikely(last_read_pos + buf_size > i_size))
buf_size = i_size - last_read_pos;
buf_size <<= 3;
* completely inside @rp, just copy it from there. Otherwise map all
* the required pages and copy the data from them.
*/
- size = PAGE_CACHE_SIZE - (pos & ~PAGE_CACHE_MASK);
+ size = PAGE_SIZE - (pos & ~PAGE_MASK);
if (size >= le32_to_cpu(rp->system_page_size)) {
memcpy(trp, rp, le32_to_cpu(rp->system_page_size));
} else {
/* Copy the remaining data one page at a time. */
have_read = size;
to_read = le32_to_cpu(rp->system_page_size) - size;
- idx = (pos + size) >> PAGE_CACHE_SHIFT;
- BUG_ON((pos + size) & ~PAGE_CACHE_MASK);
+ idx = (pos + size) >> PAGE_SHIFT;
+ BUG_ON((pos + size) & ~PAGE_MASK);
do {
page = ntfs_map_page(vi->i_mapping, idx);
if (IS_ERR(page)) {
err = -EIO;
goto err_out;
}
- size = min_t(int, to_read, PAGE_CACHE_SIZE);
+ size = min_t(int, to_read, PAGE_SIZE);
memcpy((u8*)trp + have_read, page_address(page), size);
ntfs_unmap_page(page);
have_read += size;
* log page size if the page cache size is between the default log page
* size and twice that.
*/
- if (PAGE_CACHE_SIZE >= DefaultLogPageSize && PAGE_CACHE_SIZE <=
+ if (PAGE_SIZE >= DefaultLogPageSize && PAGE_SIZE <=
DefaultLogPageSize * 2)
log_page_size = DefaultLogPageSize;
else
- log_page_size = PAGE_CACHE_SIZE;
+ log_page_size = PAGE_SIZE;
log_page_mask = log_page_size - 1;
/*
* Use ntfs_ffs() instead of ffs() to enable the compiler to
* to be empty.
*/
for (pos = 0; pos < size; pos <<= 1) {
- pgoff_t idx = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t idx = pos >> PAGE_SHIFT;
if (!page || page->index != idx) {
if (page)
ntfs_unmap_page(page);
goto err_out;
}
}
- kaddr = (u8*)page_address(page) + (pos & ~PAGE_CACHE_MASK);
+ kaddr = (u8*)page_address(page) + (pos & ~PAGE_MASK);
/*
* A non-empty block means the logfile is not empty while an
* empty block after a non-empty block has been encountered
* here if the volume was that big...
*/
index = (u64)ni->mft_no << vol->mft_record_size_bits >>
- PAGE_CACHE_SHIFT;
- ofs = (ni->mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
+ PAGE_SHIFT;
+ ofs = (ni->mft_no << vol->mft_record_size_bits) & ~PAGE_MASK;
i_size = i_size_read(mft_vi);
/* The maximum valid index into the page cache for $MFT's data. */
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ end_index = i_size >> PAGE_SHIFT;
/* If the wanted index is out of bounds the mft record doesn't exist. */
if (unlikely(index >= end_index)) {
- if (index > end_index || (i_size & ~PAGE_CACHE_MASK) < ofs +
+ if (index > end_index || (i_size & ~PAGE_MASK) < ofs +
vol->mft_record_size) {
page = ERR_PTR(-ENOENT);
ntfs_error(vol->sb, "Attempt to read mft record 0x%lx, "
}
/* Get the page containing the mirror copy of the mft record @m. */
page = ntfs_map_page(vol->mftmirr_ino->i_mapping, mft_no >>
- (PAGE_CACHE_SHIFT - vol->mft_record_size_bits));
+ (PAGE_SHIFT - vol->mft_record_size_bits));
if (IS_ERR(page)) {
ntfs_error(vol->sb, "Failed to map mft mirror page.");
err = PTR_ERR(page);
BUG_ON(!PageUptodate(page));
ClearPageUptodate(page);
/* Offset of the mft mirror record inside the page. */
- page_ofs = (mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
+ page_ofs = (mft_no << vol->mft_record_size_bits) & ~PAGE_MASK;
/* The address in the page of the mirror copy of the mft record @m. */
kmirr = page_address(page) + page_ofs;
/* Copy the mst protected mft record to the mirror. */
for (; pass <= 2;) {
/* Cap size to pass_end. */
ofs = data_pos >> 3;
- page_ofs = ofs & ~PAGE_CACHE_MASK;
- size = PAGE_CACHE_SIZE - page_ofs;
+ page_ofs = ofs & ~PAGE_MASK;
+ size = PAGE_SIZE - page_ofs;
ll = ((pass_end + 7) >> 3) - ofs;
if (size > ll)
size = ll;
*/
if (size) {
page = ntfs_map_page(mftbmp_mapping,
- ofs >> PAGE_CACHE_SHIFT);
+ ofs >> PAGE_SHIFT);
if (IS_ERR(page)) {
ntfs_error(vol->sb, "Failed to read mft "
"bitmap, aborting.");
*/
ll = lcn >> 3;
page = ntfs_map_page(vol->lcnbmp_ino->i_mapping,
- ll >> PAGE_CACHE_SHIFT);
+ ll >> PAGE_SHIFT);
if (IS_ERR(page)) {
up_write(&mftbmp_ni->runlist.lock);
ntfs_error(vol->sb, "Failed to read from lcn bitmap.");
return PTR_ERR(page);
}
- b = (u8*)page_address(page) + (ll & ~PAGE_CACHE_MASK);
+ b = (u8*)page_address(page) + (ll & ~PAGE_MASK);
tb = 1 << (lcn & 7ull);
down_write(&vol->lcnbmp_lock);
if (*b != 0xff && !(*b & tb)) {
* The index into the page cache and the offset within the page cache
* page of the wanted mft record.
*/
- index = mft_no << vol->mft_record_size_bits >> PAGE_CACHE_SHIFT;
- ofs = (mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
+ index = mft_no << vol->mft_record_size_bits >> PAGE_SHIFT;
+ ofs = (mft_no << vol->mft_record_size_bits) & ~PAGE_MASK;
/* The maximum valid index into the page cache for $MFT's data. */
i_size = i_size_read(mft_vi);
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ end_index = i_size >> PAGE_SHIFT;
if (unlikely(index >= end_index)) {
if (unlikely(index > end_index || ofs + vol->mft_record_size >=
- (i_size & ~PAGE_CACHE_MASK))) {
+ (i_size & ~PAGE_MASK))) {
ntfs_error(vol->sb, "Tried to format non-existing mft "
"record 0x%llx.", (long long)mft_no);
return -ENOENT;
* We now have allocated and initialized the mft record. Calculate the
* index of and the offset within the page cache page the record is in.
*/
- index = bit << vol->mft_record_size_bits >> PAGE_CACHE_SHIFT;
- ofs = (bit << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
+ index = bit << vol->mft_record_size_bits >> PAGE_SHIFT;
+ ofs = (bit << vol->mft_record_size_bits) & ~PAGE_MASK;
/* Read, map, and pin the page containing the mft record. */
page = ntfs_map_page(vol->mft_ino->i_mapping, index);
if (IS_ERR(page)) {
NTFS_MAX_NAME_LEN = 255,
NTFS_MAX_ATTR_NAME_LEN = 255,
NTFS_MAX_CLUSTER_SIZE = 64 * 1024, /* 64kiB */
- NTFS_MAX_PAGES_PER_CLUSTER = NTFS_MAX_CLUSTER_SIZE / PAGE_CACHE_SIZE,
+ NTFS_MAX_PAGES_PER_CLUSTER = NTFS_MAX_CLUSTER_SIZE / PAGE_SIZE,
} NTFS_CONSTANTS;
/* Global variables. */
* We cannot support mft record sizes above the PAGE_CACHE_SIZE since
* we store $MFT/$DATA, the table of mft records in the page cache.
*/
- if (vol->mft_record_size > PAGE_CACHE_SIZE) {
+ if (vol->mft_record_size > PAGE_SIZE) {
ntfs_error(vol->sb, "Mft record size (%i) exceeds the "
"PAGE_CACHE_SIZE on your system (%lu). "
"This is not supported. Sorry.",
- vol->mft_record_size, PAGE_CACHE_SIZE);
+ vol->mft_record_size, PAGE_SIZE);
return false;
}
/* We cannot support mft record sizes below the sector size. */
ntfs_debug("Entering.");
/* Compare contents of $MFT and $MFTMirr. */
- mrecs_per_page = PAGE_CACHE_SIZE / vol->mft_record_size;
+ mrecs_per_page = PAGE_SIZE / vol->mft_record_size;
BUG_ON(!mrecs_per_page);
BUG_ON(!vol->mftmirr_size);
mft_page = mirr_page = NULL;
if (!vol->attrdef)
goto iput_failed;
index = 0;
- max_index = i_size >> PAGE_CACHE_SHIFT;
- size = PAGE_CACHE_SIZE;
+ max_index = i_size >> PAGE_SHIFT;
+ size = PAGE_SIZE;
while (index < max_index) {
/* Read the attrdef table and copy it into the linear buffer. */
read_partial_attrdef_page:
page = ntfs_map_page(ino->i_mapping, index);
if (IS_ERR(page))
goto free_iput_failed;
- memcpy((u8*)vol->attrdef + (index++ << PAGE_CACHE_SHIFT),
+ memcpy((u8*)vol->attrdef + (index++ << PAGE_SHIFT),
page_address(page), size);
ntfs_unmap_page(page);
};
- if (size == PAGE_CACHE_SIZE) {
- size = i_size & ~PAGE_CACHE_MASK;
+ if (size == PAGE_SIZE) {
+ size = i_size & ~PAGE_MASK;
if (size)
goto read_partial_attrdef_page;
}
if (!vol->upcase)
goto iput_upcase_failed;
index = 0;
- max_index = i_size >> PAGE_CACHE_SHIFT;
- size = PAGE_CACHE_SIZE;
+ max_index = i_size >> PAGE_SHIFT;
+ size = PAGE_SIZE;
while (index < max_index) {
/* Read the upcase table and copy it into the linear buffer. */
read_partial_upcase_page:
page = ntfs_map_page(ino->i_mapping, index);
if (IS_ERR(page))
goto iput_upcase_failed;
- memcpy((char*)vol->upcase + (index++ << PAGE_CACHE_SHIFT),
+ memcpy((char*)vol->upcase + (index++ << PAGE_SHIFT),
page_address(page), size);
ntfs_unmap_page(page);
};
- if (size == PAGE_CACHE_SIZE) {
- size = i_size & ~PAGE_CACHE_MASK;
+ if (size == PAGE_SIZE) {
+ size = i_size & ~PAGE_MASK;
if (size)
goto read_partial_upcase_page;
}
* multiples of PAGE_CACHE_SIZE, rounding up so that if we have one
* full and one partial page max_index = 2.
*/
- max_index = (((vol->nr_clusters + 7) >> 3) + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ max_index = (((vol->nr_clusters + 7) >> 3) + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
/* Use multiples of 4 bytes, thus max_size is PAGE_CACHE_SIZE / 4. */
ntfs_debug("Reading $Bitmap, max_index = 0x%lx, max_size = 0x%lx.",
- max_index, PAGE_CACHE_SIZE / 4);
+ max_index, PAGE_SIZE / 4);
for (index = 0; index < max_index; index++) {
unsigned long *kaddr;
if (IS_ERR(page)) {
ntfs_debug("read_mapping_page() error. Skipping "
"page (index 0x%lx).", index);
- nr_free -= PAGE_CACHE_SIZE * 8;
+ nr_free -= PAGE_SIZE * 8;
continue;
}
kaddr = kmap_atomic(page);
* ntfs_readpage().
*/
nr_free -= bitmap_weight(kaddr,
- PAGE_CACHE_SIZE * BITS_PER_BYTE);
+ PAGE_SIZE * BITS_PER_BYTE);
kunmap_atomic(kaddr);
- page_cache_release(page);
+ put_page(page);
}
ntfs_debug("Finished reading $Bitmap, last index = 0x%lx.", index - 1);
/*
ntfs_debug("Entering.");
/* Use multiples of 4 bytes, thus max_size is PAGE_CACHE_SIZE / 4. */
ntfs_debug("Reading $MFT/$BITMAP, max_index = 0x%lx, max_size = "
- "0x%lx.", max_index, PAGE_CACHE_SIZE / 4);
+ "0x%lx.", max_index, PAGE_SIZE / 4);
for (index = 0; index < max_index; index++) {
unsigned long *kaddr;
if (IS_ERR(page)) {
ntfs_debug("read_mapping_page() error. Skipping "
"page (index 0x%lx).", index);
- nr_free -= PAGE_CACHE_SIZE * 8;
+ nr_free -= PAGE_SIZE * 8;
continue;
}
kaddr = kmap_atomic(page);
* ntfs_readpage().
*/
nr_free -= bitmap_weight(kaddr,
- PAGE_CACHE_SIZE * BITS_PER_BYTE);
+ PAGE_SIZE * BITS_PER_BYTE);
kunmap_atomic(kaddr);
- page_cache_release(page);
+ put_page(page);
}
ntfs_debug("Finished reading $MFT/$BITMAP, last index = 0x%lx.",
index - 1);
/* Type of filesystem. */
sfs->f_type = NTFS_SB_MAGIC;
/* Optimal transfer block size. */
- sfs->f_bsize = PAGE_CACHE_SIZE;
+ sfs->f_bsize = PAGE_SIZE;
/*
* Total data blocks in filesystem in units of f_bsize and since
* inodes are also stored in data blocs ($MFT is a file) this is just
* the total clusters.
*/
sfs->f_blocks = vol->nr_clusters << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
/* Free data blocks in filesystem in units of f_bsize. */
size = get_nr_free_clusters(vol) << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT;
+ PAGE_SHIFT;
if (size < 0LL)
size = 0LL;
/* Free blocks avail to non-superuser, same as above on NTFS. */
* have one full and one partial page max_index = 2.
*/
max_index = ((((mft_ni->initialized_size >> vol->mft_record_size_bits)
- + 7) >> 3) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ + 7) >> 3) + PAGE_SIZE - 1) >> PAGE_SHIFT;
read_unlock_irqrestore(&mft_ni->size_lock, flags);
/* Number of inodes in filesystem (at this point in time). */
sfs->f_files = size;
goto err_out_now;
/* We support sector sizes up to the PAGE_CACHE_SIZE. */
- if (bdev_logical_block_size(sb->s_bdev) > PAGE_CACHE_SIZE) {
+ if (bdev_logical_block_size(sb->s_bdev) > PAGE_SIZE) {
if (!silent)
ntfs_error(sb, "Device has unsupported sector size "
"(%i). The maximum supported sector "
"size on this architecture is %lu "
"bytes.",
bdev_logical_block_size(sb->s_bdev),
- PAGE_CACHE_SIZE);
+ PAGE_SIZE);
goto err_out_now;
}
/*
{
int i;
struct page *page;
- unsigned int from, to = PAGE_CACHE_SIZE;
+ unsigned int from, to = PAGE_SIZE;
struct super_block *sb = inode->i_sb;
BUG_ON(!ocfs2_sparse_alloc(OCFS2_SB(sb)));
if (numpages == 0)
goto out;
- to = PAGE_CACHE_SIZE;
+ to = PAGE_SIZE;
for(i = 0; i < numpages; i++) {
page = pages[i];
- from = start & (PAGE_CACHE_SIZE - 1);
- if ((end >> PAGE_CACHE_SHIFT) == page->index)
- to = end & (PAGE_CACHE_SIZE - 1);
+ from = start & (PAGE_SIZE - 1);
+ if ((end >> PAGE_SHIFT) == page->index)
+ to = end & (PAGE_SIZE - 1);
- BUG_ON(from > PAGE_CACHE_SIZE);
- BUG_ON(to > PAGE_CACHE_SIZE);
+ BUG_ON(from > PAGE_SIZE);
+ BUG_ON(to > PAGE_SIZE);
ocfs2_map_and_dirty_page(inode, handle, from, to, page, 1,
&phys);
- start = (page->index + 1) << PAGE_CACHE_SHIFT;
+ start = (page->index + 1) << PAGE_SHIFT;
}
out:
if (pages)
numpages = 0;
last_page_bytes = PAGE_ALIGN(end);
- index = start >> PAGE_CACHE_SHIFT;
+ index = start >> PAGE_SHIFT;
do {
pages[numpages] = find_or_create_page(mapping, index, GFP_NOFS);
if (!pages[numpages]) {
numpages++;
index++;
- } while (index < (last_page_bytes >> PAGE_CACHE_SHIFT));
+ } while (index < (last_page_bytes >> PAGE_SHIFT));
out:
if (ret != 0) {
* to do that now.
*/
if (!ocfs2_sparse_alloc(osb) &&
- PAGE_CACHE_SIZE < osb->s_clustersize)
- end = PAGE_CACHE_SIZE;
+ PAGE_SIZE < osb->s_clustersize)
+ end = PAGE_SIZE;
ret = ocfs2_grab_eof_pages(inode, 0, end, pages, &num_pages);
if (ret) {
goto out_unlock;
}
- page_end = PAGE_CACHE_SIZE;
- if (PAGE_CACHE_SIZE > osb->s_clustersize)
+ page_end = PAGE_SIZE;
+ if (PAGE_SIZE > osb->s_clustersize)
page_end = osb->s_clustersize;
for (i = 0; i < num_pages; i++)
size = i_size_read(inode);
- if (size > PAGE_CACHE_SIZE ||
+ if (size > PAGE_SIZE ||
size > ocfs2_max_inline_data_with_xattr(inode->i_sb, di)) {
ocfs2_error(inode->i_sb,
"Inode %llu has with inline data has bad size: %Lu\n",
if (size)
memcpy(kaddr, di->id2.i_data.id_data, size);
/* Clear the remaining part of the page */
- memset(kaddr + size, 0, PAGE_CACHE_SIZE - size);
+ memset(kaddr + size, 0, PAGE_SIZE - size);
flush_dcache_page(page);
kunmap_atomic(kaddr);
{
struct inode *inode = page->mapping->host;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- loff_t start = (loff_t)page->index << PAGE_CACHE_SHIFT;
+ loff_t start = (loff_t)page->index << PAGE_SHIFT;
int ret, unlock = 1;
trace_ocfs2_readpage((unsigned long long)oi->ip_blkno,
* drop out in that case as it's not worth handling here.
*/
last = list_entry(pages->prev, struct page, lru);
- start = (loff_t)last->index << PAGE_CACHE_SHIFT;
+ start = (loff_t)last->index << PAGE_SHIFT;
if (start >= i_size_read(inode))
goto out_unlock;
unsigned int *start,
unsigned int *end)
{
- unsigned int cluster_start = 0, cluster_end = PAGE_CACHE_SIZE;
+ unsigned int cluster_start = 0, cluster_end = PAGE_SIZE;
- if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits)) {
+ if (unlikely(PAGE_SHIFT > osb->s_clustersize_bits)) {
unsigned int cpp;
- cpp = 1 << (PAGE_CACHE_SHIFT - osb->s_clustersize_bits);
+ cpp = 1 << (PAGE_SHIFT - osb->s_clustersize_bits);
cluster_start = cpos % cpp;
cluster_start = cluster_start << osb->s_clustersize_bits;
#if (PAGE_CACHE_SIZE >= OCFS2_MAX_CLUSTERSIZE)
#define OCFS2_MAX_CTXT_PAGES 1
#else
-#define OCFS2_MAX_CTXT_PAGES (OCFS2_MAX_CLUSTERSIZE / PAGE_CACHE_SIZE)
+#define OCFS2_MAX_CTXT_PAGES (OCFS2_MAX_CLUSTERSIZE / PAGE_SIZE)
#endif
-#define OCFS2_MAX_CLUSTERS_PER_PAGE (PAGE_CACHE_SIZE / OCFS2_MIN_CLUSTERSIZE)
+#define OCFS2_MAX_CLUSTERS_PER_PAGE (PAGE_SIZE / OCFS2_MIN_CLUSTERSIZE)
struct ocfs2_unwritten_extent {
struct list_head ue_node;
if (pages[i]) {
unlock_page(pages[i]);
mark_page_accessed(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
}
}
}
}
mark_page_accessed(wc->w_target_page);
- page_cache_release(wc->w_target_page);
+ put_page(wc->w_target_page);
}
ocfs2_unlock_and_free_pages(wc->w_pages, wc->w_num_pages);
}
wc->w_di_bh = di_bh;
wc->w_type = type;
- if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits))
+ if (unlikely(PAGE_SHIFT > osb->s_clustersize_bits))
wc->w_large_pages = 1;
else
wc->w_large_pages = 0;
loff_t user_pos, unsigned user_len)
{
int i;
- unsigned from = user_pos & (PAGE_CACHE_SIZE - 1),
+ unsigned from = user_pos & (PAGE_SIZE - 1),
to = user_pos + user_len;
struct page *tmppage;
(page_offset(page) <= user_pos));
if (page == wc->w_target_page) {
- map_from = user_pos & (PAGE_CACHE_SIZE - 1);
+ map_from = user_pos & (PAGE_SIZE - 1);
map_to = map_from + user_len;
if (new)
struct inode *inode = mapping->host;
loff_t last_byte;
- target_index = user_pos >> PAGE_CACHE_SHIFT;
+ target_index = user_pos >> PAGE_SHIFT;
/*
* Figure out how many pages we'll be manipulating here. For
*/
last_byte = max(user_pos + user_len, i_size_read(inode));
BUG_ON(last_byte < 1);
- end_index = ((last_byte - 1) >> PAGE_CACHE_SHIFT) + 1;
+ end_index = ((last_byte - 1) >> PAGE_SHIFT) + 1;
if ((start + wc->w_num_pages) > end_index)
wc->w_num_pages = end_index - start;
} else {
wc->w_num_pages = 1;
start = target_index;
}
- end_index = (user_pos + user_len - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (user_pos + user_len - 1) >> PAGE_SHIFT;
for(i = 0; i < wc->w_num_pages; i++) {
index = start + i;
goto out;
}
- page_cache_get(mmap_page);
+ get_page(mmap_page);
wc->w_pages[i] = mmap_page;
wc->w_target_locked = true;
} else if (index >= target_index && index <= end_index &&
{
struct ocfs2_write_cluster_desc *desc;
- wc->w_target_from = pos & (PAGE_CACHE_SIZE - 1);
+ wc->w_target_from = pos & (PAGE_SIZE - 1);
wc->w_target_to = wc->w_target_from + len;
if (alloc == 0)
&wc->w_target_to);
} else {
wc->w_target_from = 0;
- wc->w_target_to = PAGE_CACHE_SIZE;
+ wc->w_target_to = PAGE_SIZE;
}
}
struct page *page, void *fsdata)
{
int i, ret;
- unsigned from, to, start = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from, to, start = pos & (PAGE_SIZE - 1);
struct inode *inode = mapping->host;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_write_ctxt *wc = fsdata;
from = wc->w_target_from;
to = wc->w_target_to;
- BUG_ON(from > PAGE_CACHE_SIZE ||
- to > PAGE_CACHE_SIZE ||
+ BUG_ON(from > PAGE_SIZE ||
+ to > PAGE_SIZE ||
to < from);
} else {
/*
* to flush their entire range.
*/
from = 0;
- to = PAGE_CACHE_SIZE;
+ to = PAGE_SIZE;
}
if (page_has_buffers(tmppage)) {
bio->bi_private = wc;
bio->bi_end_io = o2hb_bio_end_io;
- vec_start = (cs << bits) % PAGE_CACHE_SIZE;
+ vec_start = (cs << bits) % PAGE_SIZE;
while(cs < max_slots) {
current_page = cs / spp;
page = reg->hr_slot_data[current_page];
- vec_len = min(PAGE_CACHE_SIZE - vec_start,
- (max_slots-cs) * (PAGE_CACHE_SIZE/spp) );
+ vec_len = min(PAGE_SIZE - vec_start,
+ (max_slots-cs) * (PAGE_SIZE/spp) );
mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n",
current_page, vec_len, vec_start);
len = bio_add_page(bio, page, vec_len, vec_start);
if (len != vec_len) break;
- cs += vec_len / (PAGE_CACHE_SIZE/spp);
+ cs += vec_len / (PAGE_SIZE/spp);
vec_start = 0;
}
static void o2hb_init_region_params(struct o2hb_region *reg)
{
- reg->hr_slots_per_page = PAGE_CACHE_SIZE >> reg->hr_block_bits;
+ reg->hr_slots_per_page = PAGE_SIZE >> reg->hr_block_bits;
reg->hr_timeout_ms = O2HB_REGION_TIMEOUT_MS;
mlog(ML_HEARTBEAT, "hr_start_block = %llu, hr_blocks = %u\n",
int silent)
{
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = DLMFS_MAGIC;
sb->s_op = &dlmfs_ops;
sb->s_root = d_make_root(dlmfs_get_root_inode(sb));
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
- unsigned long index = abs_from >> PAGE_CACHE_SHIFT;
+ unsigned long index = abs_from >> PAGE_SHIFT;
handle_t *handle;
int ret = 0;
unsigned zero_from, zero_to, block_start, block_end;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
BUG_ON(abs_from >= abs_to);
- BUG_ON(abs_to > (((u64)index + 1) << PAGE_CACHE_SHIFT));
+ BUG_ON(abs_to > (((u64)index + 1) << PAGE_SHIFT));
BUG_ON(abs_from & (inode->i_blkbits - 1));
handle = ocfs2_zero_start_ordered_transaction(inode, di_bh);
}
/* Get the offsets within the page that we want to zero */
- zero_from = abs_from & (PAGE_CACHE_SIZE - 1);
- zero_to = abs_to & (PAGE_CACHE_SIZE - 1);
+ zero_from = abs_from & (PAGE_SIZE - 1);
+ zero_to = abs_to & (PAGE_SIZE - 1);
if (!zero_to)
- zero_to = PAGE_CACHE_SIZE;
+ zero_to = PAGE_SIZE;
trace_ocfs2_write_zero_page(
(unsigned long long)OCFS2_I(inode)->ip_blkno,
out_unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out_commit_trans:
if (handle)
ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
BUG_ON(range_start >= range_end);
while (zero_pos < range_end) {
- next_pos = (zero_pos & PAGE_CACHE_MASK) + PAGE_CACHE_SIZE;
+ next_pos = (zero_pos & PAGE_MASK) + PAGE_SIZE;
if (next_pos > range_end)
next_pos = range_end;
rc = ocfs2_write_zero_page(inode, zero_pos, next_pos, di_bh);
struct inode *inode = file_inode(file);
struct address_space *mapping = inode->i_mapping;
loff_t pos = page_offset(page);
- unsigned int len = PAGE_CACHE_SIZE;
+ unsigned int len = PAGE_SIZE;
pgoff_t last_index;
struct page *locked_page = NULL;
void *fsdata;
loff_t size = i_size_read(inode);
- last_index = (size - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (size - 1) >> PAGE_SHIFT;
/*
* There are cases that lead to the page no longer bebongs to the
* because the "write" would invalidate their data.
*/
if (page->index == last_index)
- len = ((size - 1) & ~PAGE_CACHE_MASK) + 1;
+ len = ((size - 1) & ~PAGE_MASK) + 1;
ret = ocfs2_write_begin_nolock(mapping, pos, len, OCFS2_WRITE_MMAP,
&locked_page, &fsdata, di_bh, page);
u32 clusters = pg_index;
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
- if (unlikely(PAGE_CACHE_SHIFT > cbits))
- clusters = pg_index << (PAGE_CACHE_SHIFT - cbits);
- else if (PAGE_CACHE_SHIFT < cbits)
- clusters = pg_index >> (cbits - PAGE_CACHE_SHIFT);
+ if (unlikely(PAGE_SHIFT > cbits))
+ clusters = pg_index << (PAGE_SHIFT - cbits);
+ else if (PAGE_SHIFT < cbits)
+ clusters = pg_index >> (cbits - PAGE_SHIFT);
return clusters;
}
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
pgoff_t index = clusters;
- if (PAGE_CACHE_SHIFT > cbits) {
- index = (pgoff_t)clusters >> (PAGE_CACHE_SHIFT - cbits);
- } else if (PAGE_CACHE_SHIFT < cbits) {
- index = (pgoff_t)clusters << (cbits - PAGE_CACHE_SHIFT);
+ if (PAGE_SHIFT > cbits) {
+ index = (pgoff_t)clusters >> (PAGE_SHIFT - cbits);
+ } else if (PAGE_SHIFT < cbits) {
+ index = (pgoff_t)clusters << (cbits - PAGE_SHIFT);
}
return index;
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
unsigned int pages_per_cluster = 1;
- if (PAGE_CACHE_SHIFT < cbits)
- pages_per_cluster = 1 << (cbits - PAGE_CACHE_SHIFT);
+ if (PAGE_SHIFT < cbits)
+ pages_per_cluster = 1 << (cbits - PAGE_SHIFT);
return pages_per_cluster;
}
end = i_size_read(inode);
while (offset < end) {
- page_index = offset >> PAGE_CACHE_SHIFT;
- map_end = ((loff_t)page_index + 1) << PAGE_CACHE_SHIFT;
+ page_index = offset >> PAGE_SHIFT;
+ map_end = ((loff_t)page_index + 1) << PAGE_SHIFT;
if (map_end > end)
map_end = end;
/* from, to is the offset within the page. */
- from = offset & (PAGE_CACHE_SIZE - 1);
- to = PAGE_CACHE_SIZE;
- if (map_end & (PAGE_CACHE_SIZE - 1))
- to = map_end & (PAGE_CACHE_SIZE - 1);
+ from = offset & (PAGE_SIZE - 1);
+ to = PAGE_SIZE;
+ if (map_end & (PAGE_SIZE - 1))
+ to = map_end & (PAGE_SIZE - 1);
page = find_or_create_page(mapping, page_index, GFP_NOFS);
if (!page) {
* In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page
* can't be dirtied before we CoW it out.
*/
- if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize)
+ if (PAGE_SIZE <= OCFS2_SB(sb)->s_clustersize)
BUG_ON(PageDirty(page));
if (!PageUptodate(page)) {
mark_page_accessed(page);
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
offset = map_end;
if (ret)
}
while (offset < end) {
- page_index = offset >> PAGE_CACHE_SHIFT;
- map_end = ((loff_t)page_index + 1) << PAGE_CACHE_SHIFT;
+ page_index = offset >> PAGE_SHIFT;
+ map_end = ((loff_t)page_index + 1) << PAGE_SHIFT;
if (map_end > end)
map_end = end;
mark_page_accessed(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
offset = map_end;
if (ret)
/*
* We might be limited by page cache size.
*/
- if (bytes > PAGE_CACHE_SIZE) {
- bytes = PAGE_CACHE_SIZE;
+ if (bytes > PAGE_SIZE) {
+ bytes = PAGE_SIZE;
trim = 1;
/*
* Shift by 31 here so that we don't get larger than
int max_block;
ssize_t bytes_read = 0;
struct inode *inode = page->mapping->host;
- const __u32 blocksize = PAGE_CACHE_SIZE; /* inode->i_blksize */
- const __u32 blockbits = PAGE_CACHE_SHIFT; /* inode->i_blkbits */
+ const __u32 blocksize = PAGE_SIZE; /* inode->i_blksize */
+ const __u32 blockbits = PAGE_SHIFT; /* inode->i_blkbits */
struct iov_iter to;
struct bio_vec bv = {.bv_page = page, .bv_len = PAGE_SIZE};
"failure adding page to cache, read_one_page returned: %d\n",
ret);
} else {
- page_cache_release(page);
+ put_page(page);
}
}
BUG_ON(!list_empty(pages));
case S_IFREG:
inode->i_op = &orangefs_file_inode_operations;
inode->i_fop = &orangefs_file_operations;
- inode->i_blkbits = PAGE_CACHE_SHIFT;
+ inode->i_blkbits = PAGE_SHIFT;
break;
case S_IFLNK:
inode->i_op = &orangefs_symlink_inode_operations;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- inode->i_size = PAGE_CACHE_SIZE;
+ inode->i_size = PAGE_SIZE;
inode->i_rdev = dev;
error = insert_inode_locked4(inode, hash, orangefs_test_inode, ref);
int i;
for (i = 0; i < bufmap->page_count; i++)
- page_cache_release(bufmap->page_array[i]);
+ put_page(bufmap->page_array[i]);
}
static void
for (i = 0; i < ret; i++) {
SetPageError(bufmap->page_array[i]);
- page_cache_release(bufmap->page_array[i]);
+ put_page(bufmap->page_array[i]);
}
return -ENOMEM;
}
}
break;
case S_IFDIR:
- inode->i_size = PAGE_CACHE_SIZE;
+ inode->i_size = PAGE_SIZE;
orangefs_inode->blksize = (1 << inode->i_blkbits);
spin_lock(&inode->i_lock);
inode_set_bytes(inode, inode->i_size);
if (page_count(page) == 1 && !pipe->tmp_page)
pipe->tmp_page = page;
else
- page_cache_release(page);
+ put_page(page);
}
/**
*/
void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
{
- page_cache_get(buf->page);
+ get_page(buf->page);
}
EXPORT_SYMBOL(generic_pipe_buf_get);
void generic_pipe_buf_release(struct pipe_inode_info *pipe,
struct pipe_buffer *buf)
{
- page_cache_release(buf->page);
+ put_page(buf->page);
}
EXPORT_SYMBOL(generic_pipe_buf_release);
if (radix_tree_exceptional_entry(page))
mss->swap += PAGE_SIZE;
else
- page_cache_release(page);
+ put_page(page);
return;
}
if (!page)
return VM_FAULT_OOM;
if (!PageUptodate(page)) {
- offset = (loff_t) index << PAGE_CACHE_SHIFT;
+ offset = (loff_t) index << PAGE_SHIFT;
buf = __va((page_to_pfn(page) << PAGE_SHIFT));
rc = __read_vmcore(buf, PAGE_SIZE, &offset, 0);
if (rc < 0) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return (rc == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
}
SetPageUptodate(page);
pstore_sb = sb;
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = PSTOREFS_MAGIC;
sb->s_op = &pstore_ops;
sb->s_time_gran = 1;
static unsigned last_entry(struct inode *inode, unsigned long page_nr)
{
unsigned long last_byte = inode->i_size;
- last_byte -= page_nr << PAGE_CACHE_SHIFT;
- if (last_byte > PAGE_CACHE_SIZE)
- last_byte = PAGE_CACHE_SIZE;
+ last_byte -= page_nr << PAGE_SHIFT;
+ if (last_byte > PAGE_SIZE)
+ last_byte = PAGE_SIZE;
return last_byte / QNX6_DIR_ENTRY_SIZE;
}
{
struct qnx6_sb_info *sbi = QNX6_SB(sb);
u32 s = fs32_to_cpu(sbi, de->de_long_inode); /* in block units */
- u32 n = s >> (PAGE_CACHE_SHIFT - sb->s_blocksize_bits); /* in pages */
+ u32 n = s >> (PAGE_SHIFT - sb->s_blocksize_bits); /* in pages */
/* within page */
- u32 offs = (s << sb->s_blocksize_bits) & ~PAGE_CACHE_MASK;
+ u32 offs = (s << sb->s_blocksize_bits) & ~PAGE_MASK;
struct address_space *mapping = sbi->longfile->i_mapping;
struct page *page = read_mapping_page(mapping, n, NULL);
if (IS_ERR(page))
struct qnx6_sb_info *sbi = QNX6_SB(s);
loff_t pos = ctx->pos & ~(QNX6_DIR_ENTRY_SIZE - 1);
unsigned long npages = dir_pages(inode);
- unsigned long n = pos >> PAGE_CACHE_SHIFT;
- unsigned start = (pos & ~PAGE_CACHE_MASK) / QNX6_DIR_ENTRY_SIZE;
+ unsigned long n = pos >> PAGE_SHIFT;
+ unsigned start = (pos & ~PAGE_MASK) / QNX6_DIR_ENTRY_SIZE;
bool done = false;
ctx->pos = pos;
if (IS_ERR(page)) {
pr_err("%s(): read failed\n", __func__);
- ctx->pos = (n + 1) << PAGE_CACHE_SHIFT;
+ ctx->pos = (n + 1) << PAGE_SHIFT;
return PTR_ERR(page);
}
de = ((struct qnx6_dir_entry *)page_address(page)) + start;
iget_failed(inode);
return ERR_PTR(-EIO);
}
- n = (ino - 1) >> (PAGE_CACHE_SHIFT - QNX6_INODE_SIZE_BITS);
- offs = (ino - 1) & (~PAGE_CACHE_MASK >> QNX6_INODE_SIZE_BITS);
+ n = (ino - 1) >> (PAGE_SHIFT - QNX6_INODE_SIZE_BITS);
+ offs = (ino - 1) & (~PAGE_MASK >> QNX6_INODE_SIZE_BITS);
mapping = sbi->inodes->i_mapping;
page = read_mapping_page(mapping, n, NULL);
if (IS_ERR(page)) {
static inline void qnx6_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
extern unsigned qnx6_find_entry(int len, struct inode *dir, const char *name,
return err;
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = RAMFS_MAGIC;
sb->s_op = &ramfs_ops;
sb->s_time_gran = 1;
int partial = 0;
unsigned blocksize;
struct buffer_head *bh, *head;
- unsigned long i_size_index = inode->i_size >> PAGE_CACHE_SHIFT;
+ unsigned long i_size_index = inode->i_size >> PAGE_SHIFT;
int new;
int logit = reiserfs_file_data_log(inode);
struct super_block *s = inode->i_sb;
- int bh_per_page = PAGE_CACHE_SIZE / s->s_blocksize;
+ int bh_per_page = PAGE_SIZE / s->s_blocksize;
struct reiserfs_transaction_handle th;
int ret = 0;
goto finished;
}
/* read file tail into part of page */
- offset = (cpu_key_k_offset(&key) - 1) & (PAGE_CACHE_SIZE - 1);
+ offset = (cpu_key_k_offset(&key) - 1) & (PAGE_SIZE - 1);
copy_item_head(&tmp_ih, ih);
/*
return -EIO;
/* always try to read until the end of the block */
- tail_start = tail_offset & (PAGE_CACHE_SIZE - 1);
+ tail_start = tail_offset & (PAGE_SIZE - 1);
tail_end = (tail_start | (bh_result->b_size - 1)) + 1;
- index = tail_offset >> PAGE_CACHE_SHIFT;
+ index = tail_offset >> PAGE_SHIFT;
/*
* hole_page can be zero in case of direct_io, we are sure
* that we cannot get here if we write with O_DIRECT into tail page
unlock:
if (tail_page != hole_page) {
unlock_page(tail_page);
- page_cache_release(tail_page);
+ put_page(tail_page);
}
out:
return retval;
* we want the page with the last byte in the file,
* not the page that will hold the next byte for appending
*/
- unsigned long index = (inode->i_size - 1) >> PAGE_CACHE_SHIFT;
+ unsigned long index = (inode->i_size - 1) >> PAGE_SHIFT;
unsigned long pos = 0;
unsigned long start = 0;
unsigned long blocksize = inode->i_sb->s_blocksize;
- unsigned long offset = (inode->i_size) & (PAGE_CACHE_SIZE - 1);
+ unsigned long offset = (inode->i_size) & (PAGE_SIZE - 1);
struct buffer_head *bh;
struct buffer_head *head;
struct page *page;
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return error;
}
{
struct reiserfs_transaction_handle th;
/* we want the offset for the first byte after the end of the file */
- unsigned long offset = inode->i_size & (PAGE_CACHE_SIZE - 1);
+ unsigned long offset = inode->i_size & (PAGE_SIZE - 1);
unsigned blocksize = inode->i_sb->s_blocksize;
unsigned length;
struct page *page = NULL;
}
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
reiserfs_write_unlock(inode->i_sb);
out:
if (page) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
reiserfs_write_unlock(inode->i_sb);
} else if (is_direct_le_ih(ih)) {
char *p;
p = page_address(bh_result->b_page);
- p += (byte_offset - 1) & (PAGE_CACHE_SIZE - 1);
+ p += (byte_offset - 1) & (PAGE_SIZE - 1);
copy_size = ih_item_len(ih) - pos_in_item;
fs_gen = get_generation(inode->i_sb);
struct writeback_control *wbc)
{
struct inode *inode = page->mapping->host;
- unsigned long end_index = inode->i_size >> PAGE_CACHE_SHIFT;
+ unsigned long end_index = inode->i_size >> PAGE_SHIFT;
int error = 0;
unsigned long block;
sector_t last_block;
int checked = PageChecked(page);
struct reiserfs_transaction_handle th;
struct super_block *s = inode->i_sb;
- int bh_per_page = PAGE_CACHE_SIZE / s->s_blocksize;
+ int bh_per_page = PAGE_SIZE / s->s_blocksize;
th.t_trans_id = 0;
/* no logging allowed when nonblocking or from PF_MEMALLOC */
if (page->index >= end_index) {
unsigned last_offset;
- last_offset = inode->i_size & (PAGE_CACHE_SIZE - 1);
+ last_offset = inode->i_size & (PAGE_SIZE - 1);
/* no file contents in this page */
if (page->index >= end_index + 1 || !last_offset) {
unlock_page(page);
return 0;
}
- zero_user_segment(page, last_offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, last_offset, PAGE_SIZE);
}
bh = head;
- block = page->index << (PAGE_CACHE_SHIFT - s->s_blocksize_bits);
+ block = page->index << (PAGE_SHIFT - s->s_blocksize_bits);
last_block = (i_size_read(inode) - 1) >> inode->i_blkbits;
/* first map all the buffers, logging any direct items we find */
do {
*fsdata = (void *)(unsigned long)flags;
}
- index = pos >> PAGE_CACHE_SHIFT;
+ index = pos >> PAGE_SHIFT;
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
}
if (ret) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
/* Truncate allocated blocks */
reiserfs_truncate_failed_write(inode);
}
else
th = NULL;
- start = pos & (PAGE_CACHE_SIZE - 1);
+ start = pos & (PAGE_SIZE - 1);
if (unlikely(copied < len)) {
if (!PageUptodate(page))
copied = 0;
if (locked)
reiserfs_write_unlock(inode->i_sb);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (pos + len > inode->i_size)
reiserfs_truncate_failed_write(inode);
unsigned from, unsigned to)
{
struct inode *inode = page->mapping->host;
- loff_t pos = ((loff_t) page->index << PAGE_CACHE_SHIFT) + to;
+ loff_t pos = ((loff_t) page->index << PAGE_SHIFT) + to;
int ret = 0;
int update_sd = 0;
struct reiserfs_transaction_handle *th = NULL;
struct inode *inode = page->mapping->host;
unsigned int curr_off = 0;
unsigned int stop = offset + length;
- int partial_page = (offset || length < PAGE_CACHE_SIZE);
+ int partial_page = (offset || length < PAGE_SIZE);
int ret = 1;
BUG_ON(!PageLocked(page));
* __reiserfs_write_begin on that page. This will force a
* reiserfs_get_block to unpack the tail for us.
*/
- index = inode->i_size >> PAGE_CACHE_SHIFT;
+ index = inode->i_size >> PAGE_SHIFT;
mapping = inode->i_mapping;
page = grab_cache_page(mapping, index);
retval = -ENOMEM;
out_unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
inode_unlock(inode);
{
struct page *page = bh->b_page;
if (!page->mapping && trylock_page(page)) {
- page_cache_get(page);
+ get_page(page);
put_bh(bh);
if (!page->mapping)
try_to_free_buffers(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
} else {
put_bh(bh);
}
*/
data = kmap_atomic(un_bh->b_page);
- off = ((le_ih_k_offset(&s_ih) - 1) & (PAGE_CACHE_SIZE - 1));
+ off = ((le_ih_k_offset(&s_ih) - 1) & (PAGE_SIZE - 1));
memcpy(data + off,
ih_item_body(PATH_PLAST_BUFFER(path), &s_ih),
ret_value);
if (page) {
if (page_has_buffers(page)) {
- tail_index = pos & (PAGE_CACHE_SIZE - 1);
+ tail_index = pos & (PAGE_SIZE - 1);
cur_index = 0;
head = page_buffers(page);
bh = head;
*/
if (up_to_date_bh) {
unsigned pgoff =
- (tail_offset + total_tail - 1) & (PAGE_CACHE_SIZE - 1);
+ (tail_offset + total_tail - 1) & (PAGE_SIZE - 1);
char *kaddr = kmap_atomic(up_to_date_bh->b_page);
memset(kaddr + pgoff, 0, blk_size - total_tail);
kunmap_atomic(kaddr);
* the page was locked and this part of the page was up to date when
* indirect2direct was called, so we know the bytes are still valid
*/
- tail = tail + (pos & (PAGE_CACHE_SIZE - 1));
+ tail = tail + (pos & (PAGE_SIZE - 1));
PATH_LAST_POSITION(path)++;
static inline void reiserfs_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
static struct page *reiserfs_get_page(struct inode *dir, size_t n)
* and an unlink/rmdir has just occurred - GFP_NOFS avoids this
*/
mapping_set_gfp_mask(mapping, GFP_NOFS);
- page = read_mapping_page(mapping, n >> PAGE_CACHE_SHIFT, NULL);
+ page = read_mapping_page(mapping, n >> PAGE_SHIFT, NULL);
if (!IS_ERR(page)) {
kmap(page);
if (PageError(page))
while (buffer_pos < buffer_size || buffer_pos == 0) {
size_t chunk;
size_t skip = 0;
- size_t page_offset = (file_pos & (PAGE_CACHE_SIZE - 1));
+ size_t page_offset = (file_pos & (PAGE_SIZE - 1));
- if (buffer_size - buffer_pos > PAGE_CACHE_SIZE)
- chunk = PAGE_CACHE_SIZE;
+ if (buffer_size - buffer_pos > PAGE_SIZE)
+ chunk = PAGE_SIZE;
else
chunk = buffer_size - buffer_pos;
struct reiserfs_xattr_header *rxh;
skip = file_pos = sizeof(struct reiserfs_xattr_header);
- if (chunk + skip > PAGE_CACHE_SIZE)
- chunk = PAGE_CACHE_SIZE - skip;
+ if (chunk + skip > PAGE_SIZE)
+ chunk = PAGE_SIZE - skip;
rxh = (struct reiserfs_xattr_header *)data;
rxh->h_magic = cpu_to_le32(REISERFS_XATTR_MAGIC);
rxh->h_hash = cpu_to_le32(xahash);
char *data;
size_t skip = 0;
- if (isize - file_pos > PAGE_CACHE_SIZE)
- chunk = PAGE_CACHE_SIZE;
+ if (isize - file_pos > PAGE_SIZE)
+ chunk = PAGE_SIZE;
else
chunk = isize - file_pos;
static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe,
struct pipe_buffer *buf)
{
- page_cache_release(buf->page);
+ put_page(buf->page);
buf->flags &= ~PIPE_BUF_FLAG_LRU;
}
void spd_release_page(struct splice_pipe_desc *spd, unsigned int i)
{
- page_cache_release(spd->pages[i]);
+ put_page(spd->pages[i]);
}
/*
if (splice_grow_spd(pipe, &spd))
return -ENOMEM;
- index = *ppos >> PAGE_CACHE_SHIFT;
- loff = *ppos & ~PAGE_CACHE_MASK;
- req_pages = (len + loff + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ index = *ppos >> PAGE_SHIFT;
+ loff = *ppos & ~PAGE_MASK;
+ req_pages = (len + loff + PAGE_SIZE - 1) >> PAGE_SHIFT;
nr_pages = min(req_pages, spd.nr_pages_max);
/*
error = add_to_page_cache_lru(page, mapping, index,
mapping_gfp_constraint(mapping, GFP_KERNEL));
if (unlikely(error)) {
- page_cache_release(page);
+ put_page(page);
if (error == -EEXIST)
continue;
break;
* Now loop over the map and see if we need to start IO on any
* pages, fill in the partial map, etc.
*/
- index = *ppos >> PAGE_CACHE_SHIFT;
+ index = *ppos >> PAGE_SHIFT;
nr_pages = spd.nr_pages;
spd.nr_pages = 0;
for (page_nr = 0; page_nr < nr_pages; page_nr++) {
/*
* this_len is the max we'll use from this page
*/
- this_len = min_t(unsigned long, len, PAGE_CACHE_SIZE - loff);
+ this_len = min_t(unsigned long, len, PAGE_SIZE - loff);
page = spd.pages[page_nr];
if (PageReadahead(page))
error = -ENOMEM;
break;
}
- page_cache_release(spd.pages[page_nr]);
+ put_page(spd.pages[page_nr]);
spd.pages[page_nr] = page;
}
/*
* i_size must be checked after PageUptodate.
*/
isize = i_size_read(mapping->host);
- end_index = (isize - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (isize - 1) >> PAGE_SHIFT;
if (unlikely(!isize || index > end_index))
break;
/*
* max good bytes in this page
*/
- plen = ((isize - 1) & ~PAGE_CACHE_MASK) + 1;
+ plen = ((isize - 1) & ~PAGE_MASK) + 1;
if (plen <= loff)
break;
* we got, 'nr_pages' is how many pages are in the map.
*/
while (page_nr < nr_pages)
- page_cache_release(spd.pages[page_nr++]);
- in->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;
+ put_page(spd.pages[page_nr++]);
+ in->f_ra.prev_pos = (loff_t)index << PAGE_SHIFT;
if (spd.nr_pages)
error = splice_to_pipe(pipe, &spd);
goto shrink_ret;
}
- offset = *ppos & ~PAGE_CACHE_MASK;
- nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ offset = *ppos & ~PAGE_MASK;
+ nr_pages = (len + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
for (i = 0; i < nr_pages && i < spd.nr_pages_max && len; i++) {
struct page *page;
if (!page)
goto err;
- this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset);
+ this_len = min_t(size_t, len, PAGE_SIZE - offset);
vec[i].iov_base = (void __user *) page_address(page);
vec[i].iov_len = this_len;
spd.pages[i] = page;
in = min(bytes, msblk->devblksize - offset);
bytes -= in;
while (in) {
- if (pg_offset == PAGE_CACHE_SIZE) {
+ if (pg_offset == PAGE_SIZE) {
data = squashfs_next_page(output);
pg_offset = 0;
}
- avail = min_t(int, in, PAGE_CACHE_SIZE -
+ avail = min_t(int, in, PAGE_SIZE -
pg_offset);
memcpy(data + pg_offset, bh[k]->b_data + offset,
avail);
cache->unused = entries;
cache->entries = entries;
cache->block_size = block_size;
- cache->pages = block_size >> PAGE_CACHE_SHIFT;
+ cache->pages = block_size >> PAGE_SHIFT;
cache->pages = cache->pages ? cache->pages : 1;
cache->name = name;
cache->num_waiters = 0;
}
for (j = 0; j < cache->pages; j++) {
- entry->data[j] = kmalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ entry->data[j] = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (entry->data[j] == NULL) {
ERROR("Failed to allocate %s buffer\n", name);
goto cleanup;
return min(length, entry->length - offset);
while (offset < entry->length) {
- void *buff = entry->data[offset / PAGE_CACHE_SIZE]
- + (offset % PAGE_CACHE_SIZE);
+ void *buff = entry->data[offset / PAGE_SIZE]
+ + (offset % PAGE_SIZE);
int bytes = min_t(int, entry->length - offset,
- PAGE_CACHE_SIZE - (offset % PAGE_CACHE_SIZE));
+ PAGE_SIZE - (offset % PAGE_SIZE));
if (bytes >= remaining) {
memcpy(buffer, buff, remaining);
*/
void *squashfs_read_table(struct super_block *sb, u64 block, int length)
{
- int pages = (length + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ int pages = (length + PAGE_SIZE - 1) >> PAGE_SHIFT;
int i, res;
void *table, *buffer, **data;
struct squashfs_page_actor *actor;
goto failed2;
}
- for (i = 0; i < pages; i++, buffer += PAGE_CACHE_SIZE)
+ for (i = 0; i < pages; i++, buffer += PAGE_SIZE)
data[i] = buffer;
res = squashfs_read_data(sb, block, length |
* Read decompressor specific options from file system if present
*/
if (SQUASHFS_COMP_OPTS(flags)) {
- buffer = kmalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (buffer == NULL) {
comp_opts = ERR_PTR(-ENOMEM);
goto out;
{
int err, i;
long long block = 0;
- __le32 *blist = kmalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ __le32 *blist = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (blist == NULL) {
ERROR("read_indexes: Failed to allocate block_list\n");
}
while (n) {
- int blocks = min_t(int, n, PAGE_CACHE_SIZE >> 2);
+ int blocks = min_t(int, n, PAGE_SIZE >> 2);
err = squashfs_read_metadata(sb, blist, start_block,
offset, blocks << 2);
struct inode *inode = page->mapping->host;
struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
void *pageaddr;
- int i, mask = (1 << (msblk->block_log - PAGE_CACHE_SHIFT)) - 1;
+ int i, mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1;
int start_index = page->index & ~mask, end_index = start_index | mask;
/*
* been called to fill.
*/
for (i = start_index; i <= end_index && bytes > 0; i++,
- bytes -= PAGE_CACHE_SIZE, offset += PAGE_CACHE_SIZE) {
+ bytes -= PAGE_SIZE, offset += PAGE_SIZE) {
struct page *push_page;
- int avail = buffer ? min_t(int, bytes, PAGE_CACHE_SIZE) : 0;
+ int avail = buffer ? min_t(int, bytes, PAGE_SIZE) : 0;
TRACE("bytes %d, i %d, available_bytes %d\n", bytes, i, avail);
pageaddr = kmap_atomic(push_page);
squashfs_copy_data(pageaddr, buffer, offset, avail);
- memset(pageaddr + avail, 0, PAGE_CACHE_SIZE - avail);
+ memset(pageaddr + avail, 0, PAGE_SIZE - avail);
kunmap_atomic(pageaddr);
flush_dcache_page(push_page);
SetPageUptodate(push_page);
skip_page:
unlock_page(push_page);
if (i != page->index)
- page_cache_release(push_page);
+ put_page(push_page);
}
}
{
struct inode *inode = page->mapping->host;
struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
- int index = page->index >> (msblk->block_log - PAGE_CACHE_SHIFT);
+ int index = page->index >> (msblk->block_log - PAGE_SHIFT);
int file_end = i_size_read(inode) >> msblk->block_log;
int res;
void *pageaddr;
TRACE("Entered squashfs_readpage, page index %lx, start block %llx\n",
page->index, squashfs_i(inode)->start);
- if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT))
+ if (page->index >= ((i_size_read(inode) + PAGE_SIZE - 1) >>
+ PAGE_SHIFT))
goto out;
if (index < file_end || squashfs_i(inode)->fragment_block ==
SetPageError(page);
out:
pageaddr = kmap_atomic(page);
- memset(pageaddr, 0, PAGE_CACHE_SIZE);
+ memset(pageaddr, 0, PAGE_SIZE);
kunmap_atomic(pageaddr);
flush_dcache_page(page);
if (!PageError(page))
struct inode *inode = target_page->mapping->host;
struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
- int file_end = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT;
- int mask = (1 << (msblk->block_log - PAGE_CACHE_SHIFT)) - 1;
+ int file_end = (i_size_read(inode) - 1) >> PAGE_SHIFT;
+ int mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1;
int start_index = target_page->index & ~mask;
int end_index = start_index | mask;
int i, n, pages, missing_pages, bytes, res = -ENOMEM;
if (PageUptodate(page[i])) {
unlock_page(page[i]);
- page_cache_release(page[i]);
+ put_page(page[i]);
page[i] = NULL;
missing_pages++;
}
goto mark_errored;
/* Last page may have trailing bytes not filled */
- bytes = res % PAGE_CACHE_SIZE;
+ bytes = res % PAGE_SIZE;
if (bytes) {
pageaddr = kmap_atomic(page[pages - 1]);
- memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
+ memset(pageaddr + bytes, 0, PAGE_SIZE - bytes);
kunmap_atomic(pageaddr);
}
SetPageUptodate(page[i]);
unlock_page(page[i]);
if (page[i] != target_page)
- page_cache_release(page[i]);
+ put_page(page[i]);
}
kfree(actor);
flush_dcache_page(page[i]);
SetPageError(page[i]);
unlock_page(page[i]);
- page_cache_release(page[i]);
+ put_page(page[i]);
}
out:
}
for (n = 0; n < pages && bytes > 0; n++,
- bytes -= PAGE_CACHE_SIZE, offset += PAGE_CACHE_SIZE) {
- int avail = min_t(int, bytes, PAGE_CACHE_SIZE);
+ bytes -= PAGE_SIZE, offset += PAGE_SIZE) {
+ int avail = min_t(int, bytes, PAGE_SIZE);
if (page[n] == NULL)
continue;
pageaddr = kmap_atomic(page[n]);
squashfs_copy_data(pageaddr, buffer, offset, avail);
- memset(pageaddr + avail, 0, PAGE_CACHE_SIZE - avail);
+ memset(pageaddr + avail, 0, PAGE_SIZE - avail);
kunmap_atomic(pageaddr);
flush_dcache_page(page[n]);
SetPageUptodate(page[n]);
unlock_page(page[n]);
if (page[n] != target_page)
- page_cache_release(page[n]);
+ put_page(page[n]);
}
out:
data = squashfs_first_page(output);
buff = stream->output;
while (data) {
- if (bytes <= PAGE_CACHE_SIZE) {
+ if (bytes <= PAGE_SIZE) {
memcpy(data, buff, bytes);
break;
}
- memcpy(data, buff, PAGE_CACHE_SIZE);
- buff += PAGE_CACHE_SIZE;
- bytes -= PAGE_CACHE_SIZE;
+ memcpy(data, buff, PAGE_SIZE);
+ buff += PAGE_SIZE;
+ bytes -= PAGE_SIZE;
data = squashfs_next_page(output);
}
squashfs_finish_page(output);
data = squashfs_first_page(output);
buff = stream->output;
while (data) {
- if (bytes <= PAGE_CACHE_SIZE) {
+ if (bytes <= PAGE_SIZE) {
memcpy(data, buff, bytes);
break;
} else {
- memcpy(data, buff, PAGE_CACHE_SIZE);
- buff += PAGE_CACHE_SIZE;
- bytes -= PAGE_CACHE_SIZE;
+ memcpy(data, buff, PAGE_SIZE);
+ buff += PAGE_SIZE;
+ bytes -= PAGE_SIZE;
data = squashfs_next_page(output);
}
}
if (actor == NULL)
return NULL;
- actor->length = length ? : pages * PAGE_CACHE_SIZE;
+ actor->length = length ? : pages * PAGE_SIZE;
actor->buffer = buffer;
actor->pages = pages;
actor->next_page = 0;
if (actor == NULL)
return NULL;
- actor->length = length ? : pages * PAGE_CACHE_SIZE;
+ actor->length = length ? : pages * PAGE_SIZE;
actor->page = page;
actor->pages = pages;
actor->next_page = 0;
if (actor == NULL)
return NULL;
- actor->length = length ? : pages * PAGE_CACHE_SIZE;
+ actor->length = length ? : pages * PAGE_SIZE;
actor->page = page;
actor->pages = pages;
actor->next_page = 0;
* Check the system page size is not larger than the filesystem
* block size (by default 128K). This is currently not supported.
*/
- if (PAGE_CACHE_SIZE > msblk->block_size) {
+ if (PAGE_SIZE > msblk->block_size) {
ERROR("Page size > filesystem block size (%d). This is "
"currently not supported!\n", msblk->block_size);
goto failed_mount;
struct inode *inode = page->mapping->host;
struct super_block *sb = inode->i_sb;
struct squashfs_sb_info *msblk = sb->s_fs_info;
- int index = page->index << PAGE_CACHE_SHIFT;
+ int index = page->index << PAGE_SHIFT;
u64 block = squashfs_i(inode)->start;
int offset = squashfs_i(inode)->offset;
- int length = min_t(int, i_size_read(inode) - index, PAGE_CACHE_SIZE);
+ int length = min_t(int, i_size_read(inode) - index, PAGE_SIZE);
int bytes, copied;
void *pageaddr;
struct squashfs_cache_entry *entry;
copied = squashfs_copy_data(pageaddr + bytes, entry, offset,
length - bytes);
if (copied == length - bytes)
- memset(pageaddr + length, 0, PAGE_CACHE_SIZE - length);
+ memset(pageaddr + length, 0, PAGE_SIZE - length);
else
block = entry->next_index;
kunmap_atomic(pageaddr);
stream->buf.in_pos = 0;
stream->buf.in_size = 0;
stream->buf.out_pos = 0;
- stream->buf.out_size = PAGE_CACHE_SIZE;
+ stream->buf.out_size = PAGE_SIZE;
stream->buf.out = squashfs_first_page(output);
do {
stream->buf.out = squashfs_next_page(output);
if (stream->buf.out != NULL) {
stream->buf.out_pos = 0;
- total += PAGE_CACHE_SIZE;
+ total += PAGE_SIZE;
}
}
int zlib_err, zlib_init = 0, k = 0;
z_stream *stream = strm;
- stream->avail_out = PAGE_CACHE_SIZE;
+ stream->avail_out = PAGE_SIZE;
stream->next_out = squashfs_first_page(output);
stream->avail_in = 0;
if (stream->avail_out == 0) {
stream->next_out = squashfs_next_page(output);
if (stream->next_out != NULL)
- stream->avail_out = PAGE_CACHE_SIZE;
+ stream->avail_out = PAGE_SIZE;
}
if (!zlib_init) {
goto out;
if (sizeof(pgoff_t) == 4) {
- if (offset >= (0x100000000ULL << PAGE_CACHE_SHIFT)) {
+ if (offset >= (0x100000000ULL << PAGE_SHIFT)) {
/*
* The range starts outside a 32 bit machine's
* pagecache addressing capabilities. Let it "succeed"
ret = 0;
goto out;
}
- if (endbyte >= (0x100000000ULL << PAGE_CACHE_SHIFT)) {
+ if (endbyte >= (0x100000000ULL << PAGE_SHIFT)) {
/*
* Out to EOF
*/
static inline void dir_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
static int dir_commit_chunk(struct page *page, loff_t pos, unsigned len)
if (pos >= inode->i_size)
return 0;
- offset = pos & ~PAGE_CACHE_MASK;
- n = pos >> PAGE_CACHE_SHIFT;
+ offset = pos & ~PAGE_MASK;
+ n = pos >> PAGE_SHIFT;
for ( ; n < npages; n++, offset = 0) {
char *kaddr, *limit;
continue;
kaddr = (char *)page_address(page);
de = (struct sysv_dir_entry *)(kaddr+offset);
- limit = kaddr + PAGE_CACHE_SIZE - SYSV_DIRSIZE;
+ limit = kaddr + PAGE_SIZE - SYSV_DIRSIZE;
for ( ;(char*)de <= limit; de++, ctx->pos += sizeof(*de)) {
char *name = de->name;
if (!IS_ERR(page)) {
kaddr = (char*)page_address(page);
de = (struct sysv_dir_entry *) kaddr;
- kaddr += PAGE_CACHE_SIZE - SYSV_DIRSIZE;
+ kaddr += PAGE_SIZE - SYSV_DIRSIZE;
for ( ; (char *) de <= kaddr ; de++) {
if (!de->inode)
continue;
goto out;
kaddr = (char*)page_address(page);
de = (struct sysv_dir_entry *)kaddr;
- kaddr += PAGE_CACHE_SIZE - SYSV_DIRSIZE;
+ kaddr += PAGE_SIZE - SYSV_DIRSIZE;
while ((char *)de <= kaddr) {
if (!de->inode)
goto got_it;
kmap(page);
base = (char*)page_address(page);
- memset(base, 0, PAGE_CACHE_SIZE);
+ memset(base, 0, PAGE_SIZE);
de = (struct sysv_dir_entry *) base;
de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino);
kunmap(page);
err = dir_commit_chunk(page, 0, 2 * SYSV_DIRSIZE);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
kaddr = (char *)page_address(page);
de = (struct sysv_dir_entry *)kaddr;
- kaddr += PAGE_CACHE_SIZE-SYSV_DIRSIZE;
+ kaddr += PAGE_SIZE-SYSV_DIRSIZE;
for ( ;(char *)de <= kaddr; de++) {
if (!de->inode)
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
return err;
}
if (block >= beyond) {
/* Reading beyond inode */
SetPageChecked(page);
- memset(addr, 0, PAGE_CACHE_SIZE);
+ memset(addr, 0, PAGE_SIZE);
goto out;
}
{
struct inode *inode = mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct ubifs_budget_req req = { .new_page = 1 };
int uninitialized_var(err), appending = !!(pos + len > inode->i_size);
struct page *page;
}
if (!PageUptodate(page)) {
- if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE)
+ if (!(pos & ~PAGE_MASK) && len == PAGE_SIZE)
SetPageChecked(page);
else {
err = do_readpage(page);
if (err) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
ubifs_release_budget(c, &req);
return err;
}
struct inode *inode = mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
int uninitialized_var(err), appending = !!(pos + len > inode->i_size);
int skipped_read = 0;
struct page *page;
if (!PageUptodate(page)) {
/* The page is not loaded from the flash */
- if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) {
+ if (!(pos & ~PAGE_MASK) && len == PAGE_SIZE) {
/*
* We change whole page so no need to load it. But we
* do not know whether this page exists on the media or
err = do_readpage(page);
if (err) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
}
mutex_unlock(&ui->ui_mutex);
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return write_begin_slow(mapping, pos, len, pagep, flags);
}
dbg_gen("ino %lu, pos %llu, pg %lu, len %u, copied %d, i_size %lld",
inode->i_ino, pos, page->index, len, copied, inode->i_size);
- if (unlikely(copied < len && len == PAGE_CACHE_SIZE)) {
+ if (unlikely(copied < len && len == PAGE_SIZE)) {
/*
* VFS copied less data to the page that it intended and
* declared in its '->write_begin()' call via the @len
out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
addr = zaddr = kmap(page);
- end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (i_size - 1) >> PAGE_SHIFT;
if (!i_size || page->index > end_index) {
hole = 1;
- memset(addr, 0, PAGE_CACHE_SIZE);
+ memset(addr, 0, PAGE_SIZE);
goto out_hole;
}
}
if (end_index == page->index) {
- int len = i_size & (PAGE_CACHE_SIZE - 1);
+ int len = i_size & (PAGE_SIZE - 1);
if (len && len < read)
memset(zaddr + len, 0, read - len);
isize = i_size_read(inode);
if (isize == 0)
goto out_free;
- end_index = ((isize - 1) >> PAGE_CACHE_SHIFT);
+ end_index = ((isize - 1) >> PAGE_SHIFT);
for (page_idx = 1; page_idx < page_cnt; page_idx++) {
pgoff_t page_offset = offset + page_idx;
if (!PageUptodate(page))
err = populate_page(c, page, bu, &n);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (err)
break;
}
#ifdef UBIFS_DEBUG
struct ubifs_inode *ui = ubifs_inode(inode);
spin_lock(&ui->ui_lock);
- ubifs_assert(page->index <= ui->synced_i_size >> PAGE_CACHE_SHIFT);
+ ubifs_assert(page->index <= ui->synced_i_size >> PAGE_SHIFT);
spin_unlock(&ui->ui_lock);
#endif
struct inode *inode = page->mapping->host;
struct ubifs_inode *ui = ubifs_inode(inode);
loff_t i_size = i_size_read(inode), synced_i_size;
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
- int err, len = i_size & (PAGE_CACHE_SIZE - 1);
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
+ int err, len = i_size & (PAGE_SIZE - 1);
void *kaddr;
dbg_gen("ino %lu, pg %lu, pg flags %#lx",
/* Is the page fully inside @i_size? */
if (page->index < end_index) {
- if (page->index >= synced_i_size >> PAGE_CACHE_SHIFT) {
+ if (page->index >= synced_i_size >> PAGE_SHIFT) {
err = inode->i_sb->s_op->write_inode(inode, NULL);
if (err)
goto out_unlock;
* with this.
*/
}
- return do_writepage(page, PAGE_CACHE_SIZE);
+ return do_writepage(page, PAGE_SIZE);
}
/*
* writes to that region are not written out to the file."
*/
kaddr = kmap_atomic(page);
- memset(kaddr + len, 0, PAGE_CACHE_SIZE - len);
+ memset(kaddr + len, 0, PAGE_SIZE - len);
flush_dcache_page(page);
kunmap_atomic(kaddr);
truncate_setsize(inode, new_size);
if (offset) {
- pgoff_t index = new_size >> PAGE_CACHE_SHIFT;
+ pgoff_t index = new_size >> PAGE_SHIFT;
struct page *page;
page = find_lock_page(inode->i_mapping, index);
clear_page_dirty_for_io(page);
if (UBIFS_BLOCKS_PER_PAGE_SHIFT)
offset = new_size &
- (PAGE_CACHE_SIZE - 1);
+ (PAGE_SIZE - 1);
err = do_writepage(page, offset);
- page_cache_release(page);
+ put_page(page);
if (err)
goto out_budg;
/*
* having to read it.
*/
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
}
struct ubifs_info *c = inode->i_sb->s_fs_info;
ubifs_assert(PagePrivate(page));
- if (offset || length < PAGE_CACHE_SIZE)
+ if (offset || length < PAGE_SIZE)
/* Partial page remains dirty */
return;
* We require that PAGE_CACHE_SIZE is greater-than-or-equal-to
* UBIFS_BLOCK_SIZE. It is assumed that both are powers of 2.
*/
- if (PAGE_CACHE_SIZE < UBIFS_BLOCK_SIZE) {
+ if (PAGE_SIZE < UBIFS_BLOCK_SIZE) {
pr_err("UBIFS error (pid %d): VFS page cache size is %u bytes, but UBIFS requires at least 4096 bytes",
- current->pid, (unsigned int)PAGE_CACHE_SIZE);
+ current->pid, (unsigned int)PAGE_SIZE);
return -EINVAL;
}
#define UBIFS_SUPER_MAGIC 0x24051905
/* Number of UBIFS blocks per VFS page */
-#define UBIFS_BLOCKS_PER_PAGE (PAGE_CACHE_SIZE / UBIFS_BLOCK_SIZE)
-#define UBIFS_BLOCKS_PER_PAGE_SHIFT (PAGE_CACHE_SHIFT - UBIFS_BLOCK_SHIFT)
+#define UBIFS_BLOCKS_PER_PAGE (PAGE_SIZE / UBIFS_BLOCK_SIZE)
+#define UBIFS_BLOCKS_PER_PAGE_SHIFT (PAGE_SHIFT - UBIFS_BLOCK_SHIFT)
/* "File system end of life" sequence number watermark */
#define SQNUM_WARN_WATERMARK 0xFFFFFFFF00000000ULL
kaddr = kmap(page);
memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, inode->i_size);
- memset(kaddr + inode->i_size, 0, PAGE_CACHE_SIZE - inode->i_size);
+ memset(kaddr + inode->i_size, 0, PAGE_SIZE - inode->i_size);
flush_dcache_page(page);
SetPageUptodate(page);
kunmap(page);
{
struct page *page;
- if (WARN_ON_ONCE(pos >= PAGE_CACHE_SIZE))
+ if (WARN_ON_ONCE(pos >= PAGE_SIZE))
return -EIO;
page = grab_cache_page_write_begin(mapping, 0, flags);
if (!page)
return -ENOMEM;
*pagep = page;
- if (!PageUptodate(page) && len != PAGE_CACHE_SIZE)
+ if (!PageUptodate(page) && len != PAGE_SIZE)
__udf_adinicb_readpage(page);
return 0;
}
if (!PageUptodate(page)) {
kaddr = kmap(page);
memset(kaddr + iinfo->i_lenAlloc, 0x00,
- PAGE_CACHE_SIZE - iinfo->i_lenAlloc);
+ PAGE_SIZE - iinfo->i_lenAlloc);
memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr,
iinfo->i_lenAlloc);
flush_dcache_page(page);
inode->i_data.a_ops = &udf_adinicb_aops;
up_write(&iinfo->i_data_sem);
}
- page_cache_release(page);
+ put_page(page);
mark_inode_dirty(inode);
return err;
sector_t newb, struct page *locked_page)
{
const unsigned blks_per_page =
- 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ 1 << (PAGE_SHIFT - inode->i_blkbits);
const unsigned mask = blks_per_page - 1;
struct address_space * const mapping = inode->i_mapping;
pgoff_t index, cur_index, last_index;
cur_index = locked_page->index;
end = count + beg;
- last_index = end >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ last_index = end >> (PAGE_SHIFT - inode->i_blkbits);
for (i = beg; i < end; i = (i | mask) + 1) {
- index = i >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ index = i >> (PAGE_SHIFT - inode->i_blkbits);
if (likely(cur_index != index)) {
page = ufs_get_locked_page(mapping, index);
static inline void ufs_put_page(struct page *page)
{
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
ino_t ufs_inode_by_name(struct inode *dir, const struct qstr *qstr)
struct super_block *sb = dir->i_sb;
char *kaddr = page_address(page);
unsigned offs, rec_len;
- unsigned limit = PAGE_CACHE_SIZE;
+ unsigned limit = PAGE_SIZE;
const unsigned chunk_mask = UFS_SB(sb)->s_uspi->s_dirblksize - 1;
struct ufs_dir_entry *p;
char *error;
- if ((dir->i_size >> PAGE_CACHE_SHIFT) == page->index) {
- limit = dir->i_size & ~PAGE_CACHE_MASK;
+ if ((dir->i_size >> PAGE_SHIFT) == page->index) {
+ limit = dir->i_size & ~PAGE_MASK;
if (limit & chunk_mask)
goto Ebadsize;
if (!limit)
bad_entry:
ufs_error (sb, "ufs_check_page", "bad entry in directory #%lu: %s - "
"offset=%lu, rec_len=%d, name_len=%d",
- dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,
+ dir->i_ino, error, (page->index<<PAGE_SHIFT)+offs,
rec_len, ufs_get_de_namlen(sb, p));
goto fail;
Eend:
ufs_error(sb, __func__,
"entry in directory #%lu spans the page boundary"
"offset=%lu",
- dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs);
+ dir->i_ino, (page->index<<PAGE_SHIFT)+offs);
fail:
SetPageChecked(page);
SetPageError(page);
{
unsigned last_byte = inode->i_size;
- last_byte -= page_nr << PAGE_CACHE_SHIFT;
- if (last_byte > PAGE_CACHE_SIZE)
- last_byte = PAGE_CACHE_SIZE;
+ last_byte -= page_nr << PAGE_SHIFT;
+ if (last_byte > PAGE_SIZE)
+ last_byte = PAGE_SIZE;
return last_byte;
}
kaddr = page_address(page);
dir_end = kaddr + ufs_last_byte(dir, n);
de = (struct ufs_dir_entry *)kaddr;
- kaddr += PAGE_CACHE_SIZE - reclen;
+ kaddr += PAGE_SIZE - reclen;
while ((char *)de <= kaddr) {
if ((char *)de == dir_end) {
/* We hit i_size */
loff_t pos = ctx->pos;
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
- unsigned int offset = pos & ~PAGE_CACHE_MASK;
- unsigned long n = pos >> PAGE_CACHE_SHIFT;
+ unsigned int offset = pos & ~PAGE_MASK;
+ unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1);
int need_revalidate = file->f_version != inode->i_version;
ufs_error(sb, __func__,
"bad page in #%lu",
inode->i_ino);
- ctx->pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_SIZE - offset;
return -EIO;
}
kaddr = page_address(page);
if (unlikely(need_revalidate)) {
if (offset) {
offset = ufs_validate_entry(sb, kaddr, offset, chunk_mask);
- ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset;
+ ctx->pos = (n<<PAGE_SHIFT) + offset;
}
file->f_version = inode->i_version;
need_revalidate = 0;
kmap(page);
base = (char*)page_address(page);
- memset(base, 0, PAGE_CACHE_SIZE);
+ memset(base, 0, PAGE_SIZE);
de = (struct ufs_dir_entry *) base;
err = ufs_commit_chunk(page, 0, chunk_size);
fail:
- page_cache_release(page);
+ put_page(page);
return err;
}
lastfrag--;
lastpage = ufs_get_locked_page(mapping, lastfrag >>
- (PAGE_CACHE_SHIFT - inode->i_blkbits));
+ (PAGE_SHIFT - inode->i_blkbits));
if (IS_ERR(lastpage)) {
err = -EIO;
goto out;
}
- end = lastfrag & ((1 << (PAGE_CACHE_SHIFT - inode->i_blkbits)) - 1);
+ end = lastfrag & ((1 << (PAGE_SHIFT - inode->i_blkbits)) - 1);
bh = page_buffers(lastpage);
for (i = 0; i < end; ++i)
bh = bh->b_this_page;
ufs_set_link(old_inode, dir_de, dir_page, new_dir, 0);
else {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
inode_dec_link_count(old_dir);
}
out_dir:
if (dir_de) {
kunmap(dir_page);
- page_cache_release(dir_page);
+ put_page(dir_page);
}
out_old:
kunmap(old_page);
- page_cache_release(old_page);
+ put_page(old_page);
out:
return err;
}
if (unlikely(page->mapping == NULL)) {
/* Truncate got there first */
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
goto out;
}
if (!PageUptodate(page) || PageError(page)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
printk(KERN_ERR "ufs_change_blocknr: "
"can not read page: ino %lu, index: %lu\n",
static inline void ufs_put_locked_page(struct page *page)
{
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
args.prod = align;
if ((args.mod = (xfs_extlen_t)do_mod(ap->offset, args.prod)))
args.mod = (xfs_extlen_t)(args.prod - args.mod);
- } else if (mp->m_sb.sb_blocksize >= PAGE_CACHE_SIZE) {
+ } else if (mp->m_sb.sb_blocksize >= PAGE_SIZE) {
args.prod = 1;
args.mod = 0;
} else {
- args.prod = PAGE_CACHE_SIZE >> mp->m_sb.sb_blocklog;
+ args.prod = PAGE_SIZE >> mp->m_sb.sb_blocklog;
if ((args.mod = (xfs_extlen_t)(do_mod(ap->offset, args.prod))))
args.mod = (xfs_extlen_t)(args.prod - args.mod);
}
xfs_iunlock(ip, XFS_ILOCK_EXCL);
out_invalidate:
- xfs_vm_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ xfs_vm_invalidatepage(page, 0, PAGE_SIZE);
return;
}
* ---------------------------------^------------------|
*/
offset = i_size_read(inode);
- end_index = offset >> PAGE_CACHE_SHIFT;
+ end_index = offset >> PAGE_SHIFT;
if (page->index < end_index)
- end_offset = (xfs_off_t)(page->index + 1) << PAGE_CACHE_SHIFT;
+ end_offset = (xfs_off_t)(page->index + 1) << PAGE_SHIFT;
else {
/*
* Check whether the page to write out is beyond or straddles
* | | Straddles |
* ---------------------------------^-----------|--------|
*/
- unsigned offset_into_page = offset & (PAGE_CACHE_SIZE - 1);
+ unsigned offset_into_page = offset & (PAGE_SIZE - 1);
/*
* Skip the page if it is fully outside i_size, e.g. due to a
* memory is zeroed when mapped, and writes to that region are
* not written out to the file."
*/
- zero_user_segment(page, offset_into_page, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset_into_page, PAGE_SIZE);
/* Adjust the end_offset to the end of file */
end_offset = offset;
loff_t block_offset;
loff_t block_start;
loff_t block_end;
- loff_t from = pos & (PAGE_CACHE_SIZE - 1);
+ loff_t from = pos & (PAGE_SIZE - 1);
loff_t to = from + len;
struct buffer_head *bh, *head;
struct xfs_mount *mp = XFS_I(inode)->i_mount;
* start of the page by using shifts rather than masks the mismatch
* problem.
*/
- block_offset = (pos >> PAGE_CACHE_SHIFT) << PAGE_CACHE_SHIFT;
+ block_offset = (pos >> PAGE_SHIFT) << PAGE_SHIFT;
ASSERT(block_offset + from == pos);
struct page **pagep,
void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
int status;
struct xfs_mount *mp = XFS_I(mapping->host)->i_mount;
truncate_pagecache_range(inode, start, pos + len);
}
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
/* wait for the completion of any pending DIOs */
inode_dio_wait(VFS_I(ip));
- rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE);
+ rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_SIZE);
ioffset = round_down(offset, rounding);
iendoffset = round_up(offset + len, rounding) - 1;
error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, ioffset,
if (error)
return error;
error = invalidate_inode_pages2_range(VFS_I(ip)->i_mapping,
- offset >> PAGE_CACHE_SHIFT, -1);
+ offset >> PAGE_SHIFT, -1);
if (error)
return error;
unsigned offset, bytes;
void *fsdata;
- offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
- bytes = PAGE_CACHE_SIZE - offset;
+ offset = (pos & (PAGE_SIZE -1)); /* Within page */
+ bytes = PAGE_SIZE - offset;
if (bytes > count)
bytes = count;
/* see generic_file_direct_write() for why this is necessary */
if (mapping->nrpages) {
invalidate_inode_pages2_range(mapping,
- pos >> PAGE_CACHE_SHIFT,
- end >> PAGE_CACHE_SHIFT);
+ pos >> PAGE_SHIFT,
+ end >> PAGE_SHIFT);
}
if (ret > 0) {
pagevec_init(&pvec, 0);
- index = startoff >> PAGE_CACHE_SHIFT;
+ index = startoff >> PAGE_SHIFT;
endoff = XFS_FSB_TO_B(mp, map->br_startoff + map->br_blockcount);
- end = endoff >> PAGE_CACHE_SHIFT;
+ end = endoff >> PAGE_SHIFT;
do {
int want;
unsigned nr_pages;
* Size of block device i/o is parameterized here.
* Currently the system supports page-sized i/o.
*/
-#define BLKDEV_IOSHIFT PAGE_CACHE_SHIFT
+#define BLKDEV_IOSHIFT PAGE_SHIFT
#define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT)
/* number of BB's per block device block */
#define BLKDEV_BB BTOBB(BLKDEV_IOSIZE)
ASSERT(sbp->sb_blocklog >= BBSHIFT);
/* Limited by ULONG_MAX of page cache index */
- if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX)
+ if (nblocks >> (PAGE_SHIFT - sbp->sb_blocklog) > ULONG_MAX)
return -EFBIG;
return 0;
}
xfs_preferred_iosize(xfs_mount_t *mp)
{
if (mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)
- return PAGE_CACHE_SIZE;
+ return PAGE_SIZE;
return (mp->m_swidth ?
(mp->m_swidth << mp->m_sb.sb_blocklog) :
((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ?
(1 << (int)MAX(mp->m_readio_log, mp->m_writeio_log)) :
- PAGE_CACHE_SIZE));
+ PAGE_SIZE));
}
#define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \
* Make sure reads through the pagecache see the new data.
*/
error = invalidate_inode_pages2_range(inode->i_mapping,
- start >> PAGE_CACHE_SHIFT,
- (end - 1) >> PAGE_CACHE_SHIFT);
+ start >> PAGE_SHIFT,
+ (end - 1) >> PAGE_SHIFT);
WARN_ON_ONCE(error);
error = xfs_iomap_write_unwritten(ip, start, length);
#if BITS_PER_LONG == 32
# if defined(CONFIG_LBDAF)
ASSERT(sizeof(sector_t) == 8);
- pagefactor = PAGE_CACHE_SIZE;
+ pagefactor = PAGE_SIZE;
bitshift = BITS_PER_LONG;
# else
- pagefactor = PAGE_CACHE_SIZE >> (PAGE_CACHE_SHIFT - blockshift);
+ pagefactor = PAGE_SIZE >> (PAGE_SHIFT - blockshift);
# endif
#endif
#endif
#define BIO_MAX_PAGES 256
-#define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_CACHE_SHIFT)
+#define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_SHIFT)
#define BIO_MAX_SECTORS (BIO_MAX_SIZE >> 9)
/*
static inline void put_dev_sector(Sector p)
{
- page_cache_release(p.v);
+ put_page(p.v);
}
static inline bool __bvec_gap_to_prev(struct request_queue *q,
*/
};
-#define MAX_BUF_PER_PAGE (PAGE_CACHE_SIZE / 512)
+#define MAX_BUF_PER_PAGE (PAGE_SIZE / 512)
struct page;
struct buffer_head;
static inline void attach_page_buffers(struct page *page,
struct buffer_head *head)
{
- page_cache_get(page);
+ get_page(page);
SetPagePrivate(page);
set_page_private(page, (unsigned long)head);
}
*/
static inline int calc_pages_for(u64 off, u64 len)
{
- return ((off+len+PAGE_CACHE_SIZE-1) >> PAGE_CACHE_SHIFT) -
- (off >> PAGE_CACHE_SHIFT);
+ return ((off+len+PAGE_SIZE-1) >> PAGE_SHIFT) -
+ (off >> PAGE_SHIFT);
}
extern struct kmem_cache *ceph_inode_cachep;
/*
* For NAT entries
*/
-#define NAT_ENTRY_PER_BLOCK (PAGE_CACHE_SIZE / sizeof(struct f2fs_nat_entry))
+#define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry))
struct f2fs_nat_entry {
__u8 version; /* latest version of cached nat entry */
* Not allow to change this.
*/
#define SIT_VBLOCK_MAP_SIZE 64
-#define SIT_ENTRY_PER_BLOCK (PAGE_CACHE_SIZE / sizeof(struct f2fs_sit_entry))
+#define SIT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_sit_entry))
/*
* Note that f2fs_sit_entry->vblocks has the following bit-field information.
/* Page cache limit. The filesystems should put that into their s_maxbytes
limits, otherwise bad things can happen in VM. */
#if BITS_PER_LONG==32
-#define MAX_LFS_FILESIZE (((loff_t)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
+#define MAX_LFS_FILESIZE (((loff_t)PAGE_SIZE << (BITS_PER_LONG-1))-1)
#elif BITS_PER_LONG==64
#define MAX_LFS_FILESIZE ((loff_t)0x7fffffffffffffffLL)
#endif
/* /sys/fs */
extern struct kobject *fs_kobj;
-#define MAX_RW_COUNT (INT_MAX & PAGE_CACHE_MASK)
+#define MAX_RW_COUNT (INT_MAX & PAGE_MASK)
#ifdef CONFIG_MANDATORY_FILE_LOCKING
extern int locks_mandatory_locked(struct file *);
static inline
loff_t req_offset(struct nfs_page *req)
{
- return (((loff_t)req->wb_index) << PAGE_CACHE_SHIFT) + req->wb_offset;
+ return (((loff_t)req->wb_index) << PAGE_SHIFT) + req->wb_offset;
}
#endif /* _LINUX_NFS_PAGE_H */
return page->index << compound_order(page);
if (likely(!PageTransTail(page)))
- return page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+ return page->index;
/*
* We don't initialize ->index for tail pages: calculate based on
* head page
*/
- pgoff = compound_head(page)->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+ pgoff = compound_head(page)->index;
pgoff += page - compound_head(page);
return pgoff;
}
*/
static inline loff_t page_offset(struct page *page)
{
- return ((loff_t)page->index) << PAGE_CACHE_SHIFT;
+ return ((loff_t)page->index) << PAGE_SHIFT;
}
static inline loff_t page_file_offset(struct page *page)
{
- return ((loff_t)page_file_index(page)) << PAGE_CACHE_SHIFT;
+ return ((loff_t)page_file_index(page)) << PAGE_SHIFT;
}
extern pgoff_t linear_hugepage_index(struct vm_area_struct *vma,
return linear_hugepage_index(vma, address);
pgoff = (address - vma->vm_start) >> PAGE_SHIFT;
pgoff += vma->vm_pgoff;
- return pgoff >> (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+ return pgoff;
}
extern void __lock_page(struct page *page);
static inline unsigned long dir_pages(struct inode *inode)
{
- return (unsigned long)(inode->i_size + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
+ return (unsigned long)(inode->i_size + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
}
#endif /* _LINUX_PAGEMAP_H */
/* only sparc can not include linux/pagemap.h in this file
* so leave page_cache_release and release_pages undeclared... */
#define free_page_and_swap_cache(page) \
- page_cache_release(page)
+ put_page(page)
#define free_pages_and_swap_cache(pages, nr) \
release_pages((pages), (nr), false);
struct inode *inode;
struct ipc_namespace *ns = data;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = MQUEUE_MAGIC;
sb->s_op = &mqueue_super_ops;
copy_to_page(new_page, vaddr, &opcode, UPROBE_SWBP_INSN_SIZE);
ret = __replace_page(vma, vaddr, old_page, new_page);
- page_cache_release(new_page);
+ put_page(new_page);
put_old:
put_page(old_page);
* see uprobe_register().
*/
if (mapping->a_ops->readpage)
- page = read_mapping_page(mapping, offset >> PAGE_CACHE_SHIFT, filp);
+ page = read_mapping_page(mapping, offset >> PAGE_SHIFT, filp);
else
- page = shmem_read_mapping_page(mapping, offset >> PAGE_CACHE_SHIFT);
+ page = shmem_read_mapping_page(mapping, offset >> PAGE_SHIFT);
if (IS_ERR(page))
return PTR_ERR(page);
copy_from_page(page, offset, insn, nbytes);
- page_cache_release(page);
+ put_page(page);
return 0;
}
break;
case POSIX_FADV_WILLNEED:
/* First and last PARTIAL page! */
- start_index = offset >> PAGE_CACHE_SHIFT;
- end_index = endbyte >> PAGE_CACHE_SHIFT;
+ start_index = offset >> PAGE_SHIFT;
+ end_index = endbyte >> PAGE_SHIFT;
/* Careful about overflow on the "+1" */
nrpages = end_index - start_index + 1;
* preserved on the expectation that it is better to preserve
* needed memory than to discard unneeded memory.
*/
- start_index = (offset+(PAGE_CACHE_SIZE-1)) >> PAGE_CACHE_SHIFT;
- end_index = (endbyte >> PAGE_CACHE_SHIFT);
+ start_index = (offset+(PAGE_SIZE-1)) >> PAGE_SHIFT;
+ end_index = (endbyte >> PAGE_SHIFT);
if (end_index >= start_index) {
unsigned long count = invalidate_mapping_pages(mapping,
if (freepage)
freepage(page);
- page_cache_release(page);
+ put_page(page);
}
EXPORT_SYMBOL(delete_from_page_cache);
static int __filemap_fdatawait_range(struct address_space *mapping,
loff_t start_byte, loff_t end_byte)
{
- pgoff_t index = start_byte >> PAGE_CACHE_SHIFT;
- pgoff_t end = end_byte >> PAGE_CACHE_SHIFT;
+ pgoff_t index = start_byte >> PAGE_SHIFT;
+ pgoff_t end = end_byte >> PAGE_SHIFT;
struct pagevec pvec;
int nr_pages;
int ret = 0;
pgoff_t offset = old->index;
freepage = mapping->a_ops->freepage;
- page_cache_get(new);
+ get_page(new);
new->mapping = mapping;
new->index = offset;
radix_tree_preload_end();
if (freepage)
freepage(old);
- page_cache_release(old);
+ put_page(old);
}
return error;
return error;
}
- page_cache_get(page);
+ get_page(page);
page->mapping = mapping;
page->index = offset;
spin_unlock_irq(&mapping->tree_lock);
if (!huge)
mem_cgroup_cancel_charge(page, memcg, false);
- page_cache_release(page);
+ put_page(page);
return error;
}
* include/linux/pagemap.h for details.
*/
if (unlikely(page != *pagep)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
}
/* Has the page been truncated? */
if (unlikely(page->mapping != mapping)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
VM_BUG_ON_PAGE(page->index != offset, page);
if (fgp_flags & FGP_LOCK) {
if (fgp_flags & FGP_NOWAIT) {
if (!trylock_page(page)) {
- page_cache_release(page);
+ put_page(page);
return NULL;
}
} else {
/* Has the page been truncated? */
if (unlikely(page->mapping != mapping)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
VM_BUG_ON_PAGE(page->index != offset, page);
err = add_to_page_cache_lru(page, mapping, offset,
gfp_mask & GFP_RECLAIM_MASK);
if (unlikely(err)) {
- page_cache_release(page);
+ put_page(page);
page = NULL;
if (err == -EEXIST)
goto repeat;
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
export:
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
* negatives, which is just confusing to the caller.
*/
if (page->mapping == NULL || page->index != iter.index) {
- page_cache_release(page);
+ put_page(page);
break;
}
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
export:
unsigned int prev_offset;
int error = 0;
- index = *ppos >> PAGE_CACHE_SHIFT;
- prev_index = ra->prev_pos >> PAGE_CACHE_SHIFT;
- prev_offset = ra->prev_pos & (PAGE_CACHE_SIZE-1);
- last_index = (*ppos + iter->count + PAGE_CACHE_SIZE-1) >> PAGE_CACHE_SHIFT;
- offset = *ppos & ~PAGE_CACHE_MASK;
+ index = *ppos >> PAGE_SHIFT;
+ prev_index = ra->prev_pos >> PAGE_SHIFT;
+ prev_offset = ra->prev_pos & (PAGE_SIZE-1);
+ last_index = (*ppos + iter->count + PAGE_SIZE-1) >> PAGE_SHIFT;
+ offset = *ppos & ~PAGE_MASK;
for (;;) {
struct page *page;
if (PageUptodate(page))
goto page_ok;
- if (inode->i_blkbits == PAGE_CACHE_SHIFT ||
+ if (inode->i_blkbits == PAGE_SHIFT ||
!mapping->a_ops->is_partially_uptodate)
goto page_not_up_to_date;
if (!trylock_page(page))
*/
isize = i_size_read(inode);
- end_index = (isize - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (isize - 1) >> PAGE_SHIFT;
if (unlikely(!isize || index > end_index)) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
/* nr is the maximum number of bytes to copy from this page */
- nr = PAGE_CACHE_SIZE;
+ nr = PAGE_SIZE;
if (index == end_index) {
- nr = ((isize - 1) & ~PAGE_CACHE_MASK) + 1;
+ nr = ((isize - 1) & ~PAGE_MASK) + 1;
if (nr <= offset) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
}
ret = copy_page_to_iter(page, offset, nr, iter);
offset += ret;
- index += offset >> PAGE_CACHE_SHIFT;
- offset &= ~PAGE_CACHE_MASK;
+ index += offset >> PAGE_SHIFT;
+ offset &= ~PAGE_MASK;
prev_offset = offset;
- page_cache_release(page);
+ put_page(page);
written += ret;
if (!iov_iter_count(iter))
goto out;
/* Did it get truncated before we got the lock? */
if (!page->mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
continue;
}
if (unlikely(error)) {
if (error == AOP_TRUNCATED_PAGE) {
- page_cache_release(page);
+ put_page(page);
error = 0;
goto find_page;
}
* invalidate_mapping_pages got it
*/
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto find_page;
}
unlock_page(page);
readpage_error:
/* UHHUH! A synchronous read error occurred. Report it */
- page_cache_release(page);
+ put_page(page);
goto out;
no_cached_page:
error = add_to_page_cache_lru(page, mapping, index,
mapping_gfp_constraint(mapping, GFP_KERNEL));
if (error) {
- page_cache_release(page);
+ put_page(page);
if (error == -EEXIST) {
error = 0;
goto find_page;
out:
ra->prev_pos = prev_index;
- ra->prev_pos <<= PAGE_CACHE_SHIFT;
+ ra->prev_pos <<= PAGE_SHIFT;
ra->prev_pos |= prev_offset;
- *ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset;
+ *ppos = ((loff_t)index << PAGE_SHIFT) + offset;
file_accessed(filp);
return written ? written : error;
}
else if (ret == -EEXIST)
ret = 0; /* losing race to add is OK */
- page_cache_release(page);
+ put_page(page);
} while (ret == AOP_TRUNCATED_PAGE);
loff_t size;
int ret = 0;
- size = round_up(i_size_read(inode), PAGE_CACHE_SIZE);
- if (offset >= size >> PAGE_CACHE_SHIFT)
+ size = round_up(i_size_read(inode), PAGE_SIZE);
+ if (offset >= size >> PAGE_SHIFT)
return VM_FAULT_SIGBUS;
/*
}
if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) {
- page_cache_release(page);
+ put_page(page);
return ret | VM_FAULT_RETRY;
}
* Found the page and have a reference on it.
* We must recheck i_size under page lock.
*/
- size = round_up(i_size_read(inode), PAGE_CACHE_SIZE);
- if (unlikely(offset >= size >> PAGE_CACHE_SHIFT)) {
+ size = round_up(i_size_read(inode), PAGE_SIZE);
+ if (unlikely(offset >= size >> PAGE_SHIFT)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return VM_FAULT_SIGBUS;
}
if (!PageUptodate(page))
error = -EIO;
}
- page_cache_release(page);
+ put_page(page);
if (!error || error == AOP_TRUNCATED_PAGE)
goto retry_find;
/* Has the page moved? */
if (unlikely(page != *slot)) {
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
if (page->mapping != mapping || !PageUptodate(page))
goto unlock;
- size = round_up(i_size_read(mapping->host), PAGE_CACHE_SIZE);
- if (page->index >= size >> PAGE_CACHE_SHIFT)
+ size = round_up(i_size_read(mapping->host), PAGE_SIZE);
+ if (page->index >= size >> PAGE_SHIFT)
goto unlock;
pte = vmf->pte + page->index - vmf->pgoff;
unlock:
unlock_page(page);
skip:
- page_cache_release(page);
+ put_page(page);
next:
if (iter.index == vmf->max_pgoff)
break;
if (!IS_ERR(page)) {
wait_on_page_locked(page);
if (!PageUptodate(page)) {
- page_cache_release(page);
+ put_page(page);
page = ERR_PTR(-EIO);
}
}
return ERR_PTR(-ENOMEM);
err = add_to_page_cache_lru(page, mapping, index, gfp);
if (unlikely(err)) {
- page_cache_release(page);
+ put_page(page);
if (err == -EEXIST)
goto repeat;
/* Presumably ENOMEM for radix tree node */
filler:
err = filler(data, page);
if (err < 0) {
- page_cache_release(page);
+ put_page(page);
return ERR_PTR(err);
}
/* Case c or d, restart the operation */
if (!page->mapping) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto repeat;
}
struct iov_iter data;
write_len = iov_iter_count(from);
- end = (pos + write_len - 1) >> PAGE_CACHE_SHIFT;
+ end = (pos + write_len - 1) >> PAGE_SHIFT;
written = filemap_write_and_wait_range(mapping, pos, pos + write_len - 1);
if (written)
*/
if (mapping->nrpages) {
written = invalidate_inode_pages2_range(mapping,
- pos >> PAGE_CACHE_SHIFT, end);
+ pos >> PAGE_SHIFT, end);
/*
* If a page can not be invalidated, return 0 to fall back
* to buffered write.
*/
if (mapping->nrpages) {
invalidate_inode_pages2_range(mapping,
- pos >> PAGE_CACHE_SHIFT, end);
+ pos >> PAGE_SHIFT, end);
}
if (written > 0) {
size_t copied; /* Bytes copied from user */
void *fsdata;
- offset = (pos & (PAGE_CACHE_SIZE - 1));
- bytes = min_t(unsigned long, PAGE_CACHE_SIZE - offset,
+ offset = (pos & (PAGE_SIZE - 1));
+ bytes = min_t(unsigned long, PAGE_SIZE - offset,
iov_iter_count(i));
again:
* because not all segments in the iov can be copied at
* once without a pagefault.
*/
- bytes = min_t(unsigned long, PAGE_CACHE_SIZE - offset,
+ bytes = min_t(unsigned long, PAGE_SIZE - offset,
iov_iter_single_seg_count(i));
goto again;
}
iocb->ki_pos = endbyte + 1;
written += status;
invalidate_mapping_pages(mapping,
- pos >> PAGE_CACHE_SHIFT,
- endbyte >> PAGE_CACHE_SHIFT);
+ pos >> PAGE_SHIFT,
+ endbyte >> PAGE_SHIFT);
} else {
/*
* We don't know how much we wrote, so just return
old_page != pagecache_page)
outside_reserve = 1;
- page_cache_get(old_page);
+ get_page(old_page);
/*
* Drop page table lock as buddy allocator may be called. It will
* may get SIGKILLed if it later faults.
*/
if (outside_reserve) {
- page_cache_release(old_page);
+ put_page(old_page);
BUG_ON(huge_pte_none(pte));
unmap_ref_private(mm, vma, old_page, address);
BUG_ON(huge_pte_none(pte));
spin_unlock(ptl);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
out_release_all:
- page_cache_release(new_page);
+ put_page(new_page);
out_release_old:
- page_cache_release(old_page);
+ put_page(old_page);
spin_lock(ptl); /* Caller expects lock to be held */
return ret;
page = read_swap_cache_async(entry, GFP_HIGHUSER_MOVABLE,
vma, index);
if (page)
- page_cache_release(page);
+ put_page(page);
}
return 0;
page = find_get_entry(mapping, index);
if (!radix_tree_exceptional_entry(page)) {
if (page)
- page_cache_release(page);
+ put_page(page);
continue;
}
swap = radix_to_swp_entry(page);
page = read_swap_cache_async(swap, GFP_HIGHUSER_MOVABLE,
NULL, 0);
if (page)
- page_cache_release(page);
+ put_page(page);
}
lru_add_drain(); /* Push any new pages onto the LRU now */
/*
* drop the page count elevated by isolate_lru_page()
*/
- page_cache_release(p);
+ put_page(p);
return 0;
}
return -EIO;
VM_BUG_ON_PAGE(PageAnon(page), page);
mapping = page->mapping;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if ((dirtied || page_mkwrite) && mapping) {
/*
}
if (new_page)
- page_cache_release(new_page);
+ put_page(new_page);
pte_unmap_unlock(page_table, ptl);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
munlock_vma_page(old_page);
unlock_page(old_page);
}
- page_cache_release(old_page);
+ put_page(old_page);
}
return page_copied ? VM_FAULT_WRITE : 0;
oom_free_new:
- page_cache_release(new_page);
+ put_page(new_page);
oom:
if (old_page)
- page_cache_release(old_page);
+ put_page(old_page);
return VM_FAULT_OOM;
}
{
int page_mkwrite = 0;
- page_cache_get(old_page);
+ get_page(old_page);
if (vma->vm_ops && vma->vm_ops->page_mkwrite) {
int tmp;
tmp = do_page_mkwrite(vma, old_page, address);
if (unlikely(!tmp || (tmp &
(VM_FAULT_ERROR | VM_FAULT_NOPAGE)))) {
- page_cache_release(old_page);
+ put_page(old_page);
return tmp;
}
/*
if (!pte_same(*page_table, orig_pte)) {
unlock_page(old_page);
pte_unmap_unlock(page_table, ptl);
- page_cache_release(old_page);
+ put_page(old_page);
return 0;
}
page_mkwrite = 1;
*/
if (PageAnon(old_page) && !PageKsm(old_page)) {
if (!trylock_page(old_page)) {
- page_cache_get(old_page);
+ get_page(old_page);
pte_unmap_unlock(page_table, ptl);
lock_page(old_page);
page_table = pte_offset_map_lock(mm, pmd, address,
if (!pte_same(*page_table, orig_pte)) {
unlock_page(old_page);
pte_unmap_unlock(page_table, ptl);
- page_cache_release(old_page);
+ put_page(old_page);
return 0;
}
- page_cache_release(old_page);
+ put_page(old_page);
}
if (reuse_swap_page(old_page)) {
/*
/*
* Ok, we need to copy. Oh, well..
*/
- page_cache_get(old_page);
+ get_page(old_page);
pte_unmap_unlock(page_table, ptl);
return wp_page_copy(mm, vma, address, page_table, pmd,
* parallel locked swapcache.
*/
unlock_page(swapcache);
- page_cache_release(swapcache);
+ put_page(swapcache);
}
if (flags & FAULT_FLAG_WRITE) {
out_page:
unlock_page(page);
out_release:
- page_cache_release(page);
+ put_page(page);
if (page != swapcache) {
unlock_page(swapcache);
- page_cache_release(swapcache);
+ put_page(swapcache);
}
return ret;
}
if (userfaultfd_missing(vma)) {
pte_unmap_unlock(page_table, ptl);
mem_cgroup_cancel_charge(page, memcg, false);
- page_cache_release(page);
+ put_page(page);
return handle_userfault(vma, address, flags,
VM_UFFD_MISSING);
}
return 0;
release:
mem_cgroup_cancel_charge(page, memcg, false);
- page_cache_release(page);
+ put_page(page);
goto unlock;
oom_free_page:
- page_cache_release(page);
+ put_page(page);
oom:
return VM_FAULT_OOM;
}
if (unlikely(PageHWPoison(vmf.page))) {
if (ret & VM_FAULT_LOCKED)
unlock_page(vmf.page);
- page_cache_release(vmf.page);
+ put_page(vmf.page);
return VM_FAULT_HWPOISON;
}
if (unlikely(!pte_same(*pte, orig_pte))) {
pte_unmap_unlock(pte, ptl);
unlock_page(fault_page);
- page_cache_release(fault_page);
+ put_page(fault_page);
return ret;
}
do_set_pte(vma, address, fault_page, pte, false, false);
return VM_FAULT_OOM;
if (mem_cgroup_try_charge(new_page, mm, GFP_KERNEL, &memcg, false)) {
- page_cache_release(new_page);
+ put_page(new_page);
return VM_FAULT_OOM;
}
pte_unmap_unlock(pte, ptl);
if (fault_page) {
unlock_page(fault_page);
- page_cache_release(fault_page);
+ put_page(fault_page);
} else {
/*
* The fault handler has no page to lock, so it holds
pte_unmap_unlock(pte, ptl);
if (fault_page) {
unlock_page(fault_page);
- page_cache_release(fault_page);
+ put_page(fault_page);
} else {
/*
* The fault handler has no page to lock, so it holds
return ret;
uncharge_out:
mem_cgroup_cancel_charge(new_page, memcg, false);
- page_cache_release(new_page);
+ put_page(new_page);
return ret;
}
tmp = do_page_mkwrite(vma, fault_page, address);
if (unlikely(!tmp ||
(tmp & (VM_FAULT_ERROR | VM_FAULT_NOPAGE)))) {
- page_cache_release(fault_page);
+ put_page(fault_page);
return tmp;
}
}
if (unlikely(!pte_same(*pte, orig_pte))) {
pte_unmap_unlock(pte, ptl);
unlock_page(fault_page);
- page_cache_release(fault_page);
+ put_page(fault_page);
return ret;
}
do_set_pte(vma, address, fault_page, pte, true, false);
buf, maddr + offset, bytes);
}
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
len -= bytes;
buf += bytes;
#endif
if (page) {
present = PageUptodate(page);
- page_cache_release(page);
+ put_page(page);
}
return present;
unsigned char *tmp;
/* Check the start address: needs to be page-aligned.. */
- if (start & ~PAGE_CACHE_MASK)
+ if (start & ~PAGE_MASK)
return -EINVAL;
/* ..and we need to be passed a valid user-space range */
if (pages) {
pages[i] = virt_to_page(start);
if (pages[i])
- page_cache_get(pages[i]);
+ get_page(pages[i]);
}
if (vmas)
vmas[i] = vma;
cycled = 0;
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = 1;
cycled = 1; /* ignore range_cyclic tests */
wait_on_page_writeback(page);
if (clear_page_dirty_for_io(page)) {
- page_cache_get(page);
+ get_page(page);
ret = mapping->a_ops->writepage(page, &wbc);
if (ret == 0 && wait) {
wait_on_page_writeback(page);
if (PageError(page))
ret = -EIO;
}
- page_cache_release(page);
+ put_page(page);
} else {
unlock_page(page);
}
__inc_zone_page_state(page, NR_DIRTIED);
__inc_wb_stat(wb, WB_RECLAIMABLE);
__inc_wb_stat(wb, WB_DIRTIED);
- task_io_account_write(PAGE_CACHE_SIZE);
+ task_io_account_write(PAGE_SIZE);
current->nr_dirtied++;
this_cpu_inc(bdp_ratelimits);
}
mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
dec_zone_page_state(page, NR_FILE_DIRTY);
dec_wb_stat(wb, WB_RECLAIMABLE);
- task_io_account_cancelled_write(PAGE_CACHE_SIZE);
+ task_io_account_cancelled_write(PAGE_SIZE);
}
}
static sector_t swap_page_sector(struct page *page)
{
- return (sector_t)__page_file_index(page) << (PAGE_CACHE_SHIFT - 9);
+ return (sector_t)__page_file_index(page) << (PAGE_SHIFT - 9);
}
int __swap_writepage(struct page *page, struct writeback_control *wbc,
if (!trylock_page(page))
BUG();
page->mapping = mapping;
- do_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ do_invalidatepage(page, 0, PAGE_SIZE);
page->mapping = NULL;
unlock_page(page);
}
- page_cache_release(page);
+ put_page(page);
}
/*
read_cache_pages_invalidate_page(mapping, page);
continue;
}
- page_cache_release(page);
+ put_page(page);
ret = filler(data, page);
if (unlikely(ret)) {
read_cache_pages_invalidate_pages(mapping, pages);
break;
}
- task_io_account_read(PAGE_CACHE_SIZE);
+ task_io_account_read(PAGE_SIZE);
}
return ret;
}
mapping_gfp_constraint(mapping, GFP_KERNEL))) {
mapping->a_ops->readpage(filp, page);
}
- page_cache_release(page);
+ put_page(page);
}
ret = 0;
if (isize == 0)
goto out;
- end_index = ((isize - 1) >> PAGE_CACHE_SHIFT);
+ end_index = ((isize - 1) >> PAGE_SHIFT);
/*
* Preallocate as many pages as we will need.
while (nr_to_read) {
int err;
- unsigned long this_chunk = (2 * 1024 * 1024) / PAGE_CACHE_SIZE;
+ unsigned long this_chunk = (2 * 1024 * 1024) / PAGE_SIZE;
if (this_chunk > nr_to_read)
this_chunk = nr_to_read;
* trivial case: (offset - prev_offset) == 1
* unaligned reads: (offset - prev_offset) == 0
*/
- prev_offset = (unsigned long long)ra->prev_pos >> PAGE_CACHE_SHIFT;
+ prev_offset = (unsigned long long)ra->prev_pos >> PAGE_SHIFT;
if (offset - prev_offset <= 1UL)
goto initial_readahead;
if (f.file) {
if (f.file->f_mode & FMODE_READ) {
struct address_space *mapping = f.file->f_mapping;
- pgoff_t start = offset >> PAGE_CACHE_SHIFT;
- pgoff_t end = (offset + count - 1) >> PAGE_CACHE_SHIFT;
+ pgoff_t start = offset >> PAGE_SHIFT;
+ pgoff_t end = (offset + count - 1) >> PAGE_SHIFT;
unsigned long len = end - start + 1;
ret = do_readahead(mapping, f.file, start, len);
}
discard:
page_remove_rmap(page, PageHuge(page));
- page_cache_release(page);
+ put_page(page);
out_unmap:
pte_unmap_unlock(pte, ptl);
#include "internal.h"
-#define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512)
-#define VM_ACCT(size) (PAGE_CACHE_ALIGN(size) >> PAGE_SHIFT)
+#define BLOCKS_PER_PAGE (PAGE_SIZE/512)
+#define VM_ACCT(size) (PAGE_ALIGN(size) >> PAGE_SHIFT)
/* Pretend that each entry is of this size in directory's i_size */
#define BOGO_DIRENT_SIZE 20
static inline int shmem_acct_block(unsigned long flags)
{
return (flags & VM_NORESERVE) ?
- security_vm_enough_memory_mm(current->mm, VM_ACCT(PAGE_CACHE_SIZE)) : 0;
+ security_vm_enough_memory_mm(current->mm, VM_ACCT(PAGE_SIZE)) : 0;
}
static inline void shmem_unacct_blocks(unsigned long flags, long pages)
{
if (flags & VM_NORESERVE)
- vm_unacct_memory(pages * VM_ACCT(PAGE_CACHE_SIZE));
+ vm_unacct_memory(pages * VM_ACCT(PAGE_SIZE));
}
static const struct super_operations shmem_ops;
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
- page_cache_get(page);
+ get_page(page);
page->mapping = mapping;
page->index = index;
} else {
page->mapping = NULL;
spin_unlock_irq(&mapping->tree_lock);
- page_cache_release(page);
+ put_page(page);
}
return error;
}
__dec_zone_page_state(page, NR_FILE_PAGES);
__dec_zone_page_state(page, NR_SHMEM);
spin_unlock_irq(&mapping->tree_lock);
- page_cache_release(page);
+ put_page(page);
BUG_ON(error);
}
{
struct address_space *mapping = inode->i_mapping;
struct shmem_inode_info *info = SHMEM_I(inode);
- pgoff_t start = (lstart + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- pgoff_t end = (lend + 1) >> PAGE_CACHE_SHIFT;
- unsigned int partial_start = lstart & (PAGE_CACHE_SIZE - 1);
- unsigned int partial_end = (lend + 1) & (PAGE_CACHE_SIZE - 1);
+ pgoff_t start = (lstart + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ pgoff_t end = (lend + 1) >> PAGE_SHIFT;
+ unsigned int partial_start = lstart & (PAGE_SIZE - 1);
+ unsigned int partial_end = (lend + 1) & (PAGE_SIZE - 1);
struct pagevec pvec;
pgoff_t indices[PAGEVEC_SIZE];
long nr_swaps_freed = 0;
struct page *page = NULL;
shmem_getpage(inode, start - 1, &page, SGP_READ, NULL);
if (page) {
- unsigned int top = PAGE_CACHE_SIZE;
+ unsigned int top = PAGE_SIZE;
if (start > end) {
top = partial_end;
partial_end = 0;
zero_user_segment(page, partial_start, top);
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
if (partial_end) {
zero_user_segment(page, 0, partial_end);
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
if (start >= end)
mem_cgroup_commit_charge(page, memcg, true, false);
out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return error;
}
if (!newpage)
return -ENOMEM;
- page_cache_get(newpage);
+ get_page(newpage);
copy_highpage(newpage, oldpage);
flush_dcache_page(newpage);
set_page_private(oldpage, 0);
unlock_page(oldpage);
- page_cache_release(oldpage);
- page_cache_release(oldpage);
+ put_page(oldpage);
+ put_page(oldpage);
return error;
}
int once = 0;
int alloced = 0;
- if (index > (MAX_LFS_FILESIZE >> PAGE_CACHE_SHIFT))
+ if (index > (MAX_LFS_FILESIZE >> PAGE_SHIFT))
return -EFBIG;
repeat:
swap.val = 0;
}
if (sgp != SGP_WRITE && sgp != SGP_FALLOC &&
- ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) {
+ ((loff_t)index << PAGE_SHIFT) >= i_size_read(inode)) {
error = -EINVAL;
goto unlock;
}
if (sgp != SGP_READ)
goto clear;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
if (page || (sgp == SGP_READ && !swap.val)) {
/* Perhaps the file has been truncated since we checked */
if (sgp != SGP_WRITE && sgp != SGP_FALLOC &&
- ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) {
+ ((loff_t)index << PAGE_SHIFT) >= i_size_read(inode)) {
if (alloced) {
ClearPageDirty(page);
delete_from_page_cache(page);
unlock:
if (page) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
if (error == -ENOSPC && !once++) {
info = SHMEM_I(inode);
{
struct inode *inode = mapping->host;
struct shmem_inode_info *info = SHMEM_I(inode);
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
/* i_mutex is held by caller */
if (unlikely(info->seals)) {
i_size_write(inode, pos + copied);
if (!PageUptodate(page)) {
- if (copied < PAGE_CACHE_SIZE) {
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ if (copied < PAGE_SIZE) {
+ unsigned from = pos & (PAGE_SIZE - 1);
zero_user_segments(page, 0, from,
- from + copied, PAGE_CACHE_SIZE);
+ from + copied, PAGE_SIZE);
}
SetPageUptodate(page);
}
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return copied;
}
if (!iter_is_iovec(to))
sgp = SGP_DIRTY;
- index = *ppos >> PAGE_CACHE_SHIFT;
- offset = *ppos & ~PAGE_CACHE_MASK;
+ index = *ppos >> PAGE_SHIFT;
+ offset = *ppos & ~PAGE_MASK;
for (;;) {
struct page *page = NULL;
unsigned long nr, ret;
loff_t i_size = i_size_read(inode);
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ end_index = i_size >> PAGE_SHIFT;
if (index > end_index)
break;
if (index == end_index) {
- nr = i_size & ~PAGE_CACHE_MASK;
+ nr = i_size & ~PAGE_MASK;
if (nr <= offset)
break;
}
* We must evaluate after, since reads (unlike writes)
* are called without i_mutex protection against truncate
*/
- nr = PAGE_CACHE_SIZE;
+ nr = PAGE_SIZE;
i_size = i_size_read(inode);
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ end_index = i_size >> PAGE_SHIFT;
if (index == end_index) {
- nr = i_size & ~PAGE_CACHE_MASK;
+ nr = i_size & ~PAGE_MASK;
if (nr <= offset) {
if (page)
- page_cache_release(page);
+ put_page(page);
break;
}
}
mark_page_accessed(page);
} else {
page = ZERO_PAGE(0);
- page_cache_get(page);
+ get_page(page);
}
/*
ret = copy_page_to_iter(page, offset, nr, to);
retval += ret;
offset += ret;
- index += offset >> PAGE_CACHE_SHIFT;
- offset &= ~PAGE_CACHE_MASK;
+ index += offset >> PAGE_SHIFT;
+ offset &= ~PAGE_MASK;
- page_cache_release(page);
+ put_page(page);
if (!iov_iter_count(to))
break;
if (ret < nr) {
cond_resched();
}
- *ppos = ((loff_t) index << PAGE_CACHE_SHIFT) + offset;
+ *ppos = ((loff_t) index << PAGE_SHIFT) + offset;
file_accessed(file);
return retval ? retval : error;
}
if (splice_grow_spd(pipe, &spd))
return -ENOMEM;
- index = *ppos >> PAGE_CACHE_SHIFT;
- loff = *ppos & ~PAGE_CACHE_MASK;
- req_pages = (len + loff + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ index = *ppos >> PAGE_SHIFT;
+ loff = *ppos & ~PAGE_MASK;
+ req_pages = (len + loff + PAGE_SIZE - 1) >> PAGE_SHIFT;
nr_pages = min(req_pages, spd.nr_pages_max);
spd.nr_pages = find_get_pages_contig(mapping, index,
index++;
}
- index = *ppos >> PAGE_CACHE_SHIFT;
+ index = *ppos >> PAGE_SHIFT;
nr_pages = spd.nr_pages;
spd.nr_pages = 0;
if (!len)
break;
- this_len = min_t(unsigned long, len, PAGE_CACHE_SIZE - loff);
+ this_len = min_t(unsigned long, len, PAGE_SIZE - loff);
page = spd.pages[page_nr];
if (!PageUptodate(page) || page->mapping != mapping) {
if (error)
break;
unlock_page(page);
- page_cache_release(spd.pages[page_nr]);
+ put_page(spd.pages[page_nr]);
spd.pages[page_nr] = page;
}
isize = i_size_read(inode);
- end_index = (isize - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (isize - 1) >> PAGE_SHIFT;
if (unlikely(!isize || index > end_index))
break;
if (end_index == index) {
unsigned int plen;
- plen = ((isize - 1) & ~PAGE_CACHE_MASK) + 1;
+ plen = ((isize - 1) & ~PAGE_MASK) + 1;
if (plen <= loff)
break;
}
while (page_nr < nr_pages)
- page_cache_release(spd.pages[page_nr++]);
+ put_page(spd.pages[page_nr++]);
if (spd.nr_pages)
error = splice_to_pipe(pipe, &spd);
else if (offset >= inode->i_size)
offset = -ENXIO;
else {
- start = offset >> PAGE_CACHE_SHIFT;
- end = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ start = offset >> PAGE_SHIFT;
+ end = (inode->i_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
new_offset = shmem_seek_hole_data(mapping, start, end, whence);
- new_offset <<= PAGE_CACHE_SHIFT;
+ new_offset <<= PAGE_SHIFT;
if (new_offset > offset) {
if (new_offset < inode->i_size)
offset = new_offset;
goto out;
}
- start = offset >> PAGE_CACHE_SHIFT;
- end = (offset + len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ start = offset >> PAGE_SHIFT;
+ end = (offset + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
/* Try to avoid a swapstorm if len is impossible to satisfy */
if (sbinfo->max_blocks && end - start > sbinfo->max_blocks) {
error = -ENOSPC;
if (error) {
/* Remove the !PageUptodate pages we added */
shmem_undo_range(inode,
- (loff_t)start << PAGE_CACHE_SHIFT,
- (loff_t)index << PAGE_CACHE_SHIFT, true);
+ (loff_t)start << PAGE_SHIFT,
+ (loff_t)index << PAGE_SHIFT, true);
goto undone;
}
*/
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
cond_resched();
}
struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
buf->f_type = TMPFS_MAGIC;
- buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_bsize = PAGE_SIZE;
buf->f_namelen = NAME_MAX;
if (sbinfo->max_blocks) {
buf->f_blocks = sbinfo->max_blocks;
struct shmem_inode_info *info;
len = strlen(symname) + 1;
- if (len > PAGE_CACHE_SIZE)
+ if (len > PAGE_SIZE)
return -ENAMETOOLONG;
inode = shmem_get_inode(dir->i_sb, dir, S_IFLNK|S_IRWXUGO, 0, VM_NORESERVE);
SetPageUptodate(page);
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
dir->i_size += BOGO_DIRENT_SIZE;
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
if (*rest)
goto bad_val;
sbinfo->max_blocks =
- DIV_ROUND_UP(size, PAGE_CACHE_SIZE);
+ DIV_ROUND_UP(size, PAGE_SIZE);
} else if (!strcmp(this_char,"nr_blocks")) {
sbinfo->max_blocks = memparse(value, &rest);
if (*rest)
if (sbinfo->max_blocks != shmem_default_max_blocks())
seq_printf(seq, ",size=%luk",
- sbinfo->max_blocks << (PAGE_CACHE_SHIFT - 10));
+ sbinfo->max_blocks << (PAGE_SHIFT - 10));
if (sbinfo->max_inodes != shmem_default_max_inodes())
seq_printf(seq, ",nr_inodes=%lu", sbinfo->max_inodes);
if (sbinfo->mode != (S_IRWXUGO | S_ISVTX))
sbinfo->free_inodes = sbinfo->max_inodes;
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = TMPFS_MAGIC;
sb->s_op = &shmem_ops;
sb->s_time_gran = 1;
victim = list_entry(pages->prev, struct page, lru);
list_del(&victim->lru);
- page_cache_release(victim);
+ put_page(victim);
}
}
EXPORT_SYMBOL(put_pages_list);
return seg;
pages[seg] = kmap_to_page(kiov[seg].iov_base);
- page_cache_get(pages[seg]);
+ get_page(pages[seg]);
}
return seg;
struct pagevec *pvec;
unsigned long flags;
- page_cache_get(page);
+ get_page(page);
local_irq_save(flags);
pvec = this_cpu_ptr(&lru_rotate_pvecs);
if (!pagevec_add(pvec, page))
if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
struct pagevec *pvec = &get_cpu_var(activate_page_pvecs);
- page_cache_get(page);
+ get_page(page);
if (!pagevec_add(pvec, page))
pagevec_lru_move_fn(pvec, __activate_page, NULL);
put_cpu_var(activate_page_pvecs);
{
struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
- page_cache_get(page);
+ get_page(page);
if (!pagevec_space(pvec))
__pagevec_lru_add(pvec);
pagevec_add(pvec, page);
if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
struct pagevec *pvec = &get_cpu_var(lru_deactivate_pvecs);
- page_cache_get(page);
+ get_page(page);
if (!pagevec_add(pvec, page))
pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL);
put_cpu_var(lru_deactivate_pvecs);
VM_BUG_ON_PAGE(PageSwapCache(page), page);
VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
- page_cache_get(page);
+ get_page(page);
SetPageSwapCache(page);
set_page_private(page, entry.val);
VM_BUG_ON(error == -EEXIST);
set_page_private(page, 0UL);
ClearPageSwapCache(page);
- page_cache_release(page);
+ put_page(page);
}
return error;
spin_unlock_irq(&address_space->tree_lock);
swapcache_free(entry);
- page_cache_release(page);
+ put_page(page);
}
/*
void free_page_and_swap_cache(struct page *page)
{
free_swap_cache(page);
- page_cache_release(page);
+ put_page(page);
}
/*
} while (err != -ENOMEM);
if (new_page)
- page_cache_release(new_page);
+ put_page(new_page);
return found_page;
}
continue;
if (offset != entry_offset)
SetPageReadahead(page);
- page_cache_release(page);
+ put_page(page);
}
blk_finish_plug(&plug);
ret = try_to_free_swap(page);
unlock_page(page);
}
- page_cache_release(page);
+ put_page(page);
return ret;
}
page = find_get_page(swap_address_space(entry),
entry.val);
if (page && !trylock_page(page)) {
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
}
SetPageDirty(page);
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return p != NULL;
}
}
if (retval) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
break;
}
*/
SetPageDirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
/*
* Make sure that we aren't completely killing
out:
if (page && !IS_ERR(page)) {
kunmap(page);
- page_cache_release(page);
+ put_page(page);
}
if (name)
putname(name);
return -EIO;
if (page_has_private(page))
- do_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ do_invalidatepage(page, 0, PAGE_SIZE);
/*
* Some filesystems seem to re-dirty the page even after
{
if (page_mapped(page)) {
unmap_mapping_range(mapping,
- (loff_t)page->index << PAGE_CACHE_SHIFT,
- PAGE_CACHE_SIZE, 0);
+ (loff_t)page->index << PAGE_SHIFT,
+ PAGE_SIZE, 0);
}
return truncate_complete_page(mapping, page);
}
return;
/* Offsets within partial pages */
- partial_start = lstart & (PAGE_CACHE_SIZE - 1);
- partial_end = (lend + 1) & (PAGE_CACHE_SIZE - 1);
+ partial_start = lstart & (PAGE_SIZE - 1);
+ partial_end = (lend + 1) & (PAGE_SIZE - 1);
/*
* 'start' and 'end' always covers the range of pages to be fully
* start of the range and 'partial_end' at the end of the range.
* Note that 'end' is exclusive while 'lend' is inclusive.
*/
- start = (lstart + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ start = (lstart + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (lend == -1)
/*
* lend == -1 indicates end-of-file so we have to set 'end'
*/
end = -1;
else
- end = (lend + 1) >> PAGE_CACHE_SHIFT;
+ end = (lend + 1) >> PAGE_SHIFT;
pagevec_init(&pvec, 0);
index = start;
if (partial_start) {
struct page *page = find_lock_page(mapping, start - 1);
if (page) {
- unsigned int top = PAGE_CACHE_SIZE;
+ unsigned int top = PAGE_SIZE;
if (start > end) {
/* Truncation within a single page */
top = partial_end;
do_invalidatepage(page, partial_start,
top - partial_start);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
if (partial_end) {
do_invalidatepage(page, 0,
partial_end);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
}
/*
if (mapping->a_ops->freepage)
mapping->a_ops->freepage(page);
- page_cache_release(page); /* pagecache ref */
+ put_page(page); /* pagecache ref */
return 1;
failed:
spin_unlock_irqrestore(&mapping->tree_lock, flags);
* Zap the rest of the file in one hit.
*/
unmap_mapping_range(mapping,
- (loff_t)index << PAGE_CACHE_SHIFT,
+ (loff_t)index << PAGE_SHIFT,
(loff_t)(1 + end - index)
- << PAGE_CACHE_SHIFT,
- 0);
+ << PAGE_SHIFT,
+ 0);
did_range_unmap = 1;
} else {
/*
* Just zap this page
*/
unmap_mapping_range(mapping,
- (loff_t)index << PAGE_CACHE_SHIFT,
- PAGE_CACHE_SIZE, 0);
+ (loff_t)index << PAGE_SHIFT,
+ PAGE_SIZE, 0);
}
}
BUG_ON(page_mapped(page));
WARN_ON(to > inode->i_size);
- if (from >= to || bsize == PAGE_CACHE_SIZE)
+ if (from >= to || bsize == PAGE_SIZE)
return;
/* Page straddling @from will not have any hole block created? */
rounded_from = round_up(from, bsize);
- if (to <= rounded_from || !(rounded_from & (PAGE_CACHE_SIZE - 1)))
+ if (to <= rounded_from || !(rounded_from & (PAGE_SIZE - 1)))
return;
- index = from >> PAGE_CACHE_SHIFT;
+ index = from >> PAGE_SHIFT;
page = find_lock_page(inode->i_mapping, index);
/* Page not cached? Nothing to do */
if (!page)
if (page_mkclean(page))
set_page_dirty(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
EXPORT_SYMBOL(pagecache_isize_extended);
pte_unmap_unlock(dst_pte, ptl);
mem_cgroup_cancel_charge(page, memcg, false);
out_release:
- page_cache_release(page);
+ put_page(page);
goto out;
}
up_read(&dst_mm->mmap_sem);
out:
if (page)
- page_cache_release(page);
+ put_page(page);
BUG_ON(copied < 0);
BUG_ON(err > 0);
BUG_ON(!copied && !err);
case ZSWAP_SWAPCACHE_EXIST:
/* page is already in the swap cache, ignore for now */
- page_cache_release(page);
+ put_page(page);
ret = -EEXIST;
goto fail;
/* start writeback */
__swap_writepage(page, &wbc, end_swap_bio_write);
- page_cache_release(page);
+ put_page(page);
zswap_written_back_pages++;
spin_lock(&tree->lock);
}
BUG_ON(zero_page == NULL);
- page_cache_release(zero_page);
+ put_page(zero_page);
zero_page = NULL;
ceph_msgr_slab_exit();
BUG_ON(zero_page != NULL);
zero_page = ZERO_PAGE(0);
- page_cache_get(zero_page);
+ get_page(zero_page);
/*
* The number of active work items is limited by the number of
dout("%s %p %d left\n", __func__, con, con->out_skip);
while (con->out_skip > 0) {
- size_t size = min(con->out_skip, (int) PAGE_CACHE_SIZE);
+ size_t size = min(con->out_skip, (int) PAGE_SIZE);
ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, true);
if (ret <= 0)
size_t bit = pl->room;
int ret;
- memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK),
+ memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK),
buf, bit);
pl->length += bit;
pl->room -= bit;
return ret;
}
- memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK), buf, len);
+ memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK), buf, len);
pl->length += len;
pl->room -= len;
return 0;
loff_t off, size_t len)
{
int i = 0;
- int po = off & ~PAGE_CACHE_MASK;
+ int po = off & ~PAGE_MASK;
int left = len;
int l, bad;
while (left > 0) {
- l = min_t(int, PAGE_CACHE_SIZE-po, left);
+ l = min_t(int, PAGE_SIZE-po, left);
bad = copy_from_user(page_address(pages[i]) + po, data, l);
if (bad == l)
return -EFAULT;
data += l - bad;
left -= l - bad;
po += l - bad;
- if (po == PAGE_CACHE_SIZE) {
+ if (po == PAGE_SIZE) {
po = 0;
i++;
}
loff_t off, size_t len)
{
int i = 0;
- size_t po = off & ~PAGE_CACHE_MASK;
+ size_t po = off & ~PAGE_MASK;
size_t left = len;
while (left > 0) {
- size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+ size_t l = min_t(size_t, PAGE_SIZE-po, left);
memcpy(page_address(pages[i]) + po, data, l);
data += l;
left -= l;
po += l;
- if (po == PAGE_CACHE_SIZE) {
+ if (po == PAGE_SIZE) {
po = 0;
i++;
}
loff_t off, size_t len)
{
int i = 0;
- size_t po = off & ~PAGE_CACHE_MASK;
+ size_t po = off & ~PAGE_MASK;
size_t left = len;
while (left > 0) {
- size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+ size_t l = min_t(size_t, PAGE_SIZE-po, left);
memcpy(data, page_address(pages[i]) + po, l);
data += l;
left -= l;
po += l;
- if (po == PAGE_CACHE_SIZE) {
+ if (po == PAGE_SIZE) {
po = 0;
i++;
}
*/
void ceph_zero_page_vector_range(int off, int len, struct page **pages)
{
- int i = off >> PAGE_CACHE_SHIFT;
+ int i = off >> PAGE_SHIFT;
- off &= ~PAGE_CACHE_MASK;
+ off &= ~PAGE_MASK;
dout("zero_page_vector_page %u~%u\n", off, len);
/* leading partial page? */
if (off) {
- int end = min((int)PAGE_CACHE_SIZE, off + len);
+ int end = min((int)PAGE_SIZE, off + len);
dout("zeroing %d %p head from %d\n", i, pages[i],
(int)off);
zero_user_segment(pages[i], off, end);
len -= (end - off);
i++;
}
- while (len >= PAGE_CACHE_SIZE) {
+ while (len >= PAGE_SIZE) {
dout("zeroing %d %p len=%d\n", i, pages[i], len);
- zero_user_segment(pages[i], 0, PAGE_CACHE_SIZE);
- len -= PAGE_CACHE_SIZE;
+ zero_user_segment(pages[i], 0, PAGE_SIZE);
+ len -= PAGE_SIZE;
i++;
}
/* trailing partial page? */
return 0;
}
- first = snd_buf->page_base >> PAGE_CACHE_SHIFT;
- last = (snd_buf->page_base + snd_buf->page_len - 1) >> PAGE_CACHE_SHIFT;
+ first = snd_buf->page_base >> PAGE_SHIFT;
+ last = (snd_buf->page_base + snd_buf->page_len - 1) >> PAGE_SHIFT;
rqstp->rq_enc_pages_num = last - first + 1 + 1;
rqstp->rq_enc_pages
= kmalloc(rqstp->rq_enc_pages_num * sizeof(struct page *),
status = alloc_enc_pages(rqstp);
if (status)
return status;
- first = snd_buf->page_base >> PAGE_CACHE_SHIFT;
+ first = snd_buf->page_base >> PAGE_SHIFT;
inpages = snd_buf->pages + first;
snd_buf->pages = rqstp->rq_enc_pages;
- snd_buf->page_base -= first << PAGE_CACHE_SHIFT;
+ snd_buf->page_base -= first << PAGE_SHIFT;
/*
* Give the tail its own page, in case we need extra space in the
* head when wrapping:
page_pos = desc->pos - outbuf->head[0].iov_len;
if (page_pos >= 0 && page_pos < outbuf->page_len) {
/* pages are not in place: */
- int i = (page_pos + outbuf->page_base) >> PAGE_CACHE_SHIFT;
+ int i = (page_pos + outbuf->page_base) >> PAGE_SHIFT;
in_page = desc->pages[i];
} else {
in_page = sg_page(sg);
len -= buf->head[0].iov_len;
if (len <= buf->page_len) {
unsigned int last = (buf->page_base + len - 1)
- >>PAGE_CACHE_SHIFT;
+ >>PAGE_SHIFT;
unsigned int offset = (buf->page_base + len - 1)
- & (PAGE_CACHE_SIZE - 1);
+ & (PAGE_SIZE - 1);
ptr = kmap_atomic(buf->pages[last]);
pad = *(ptr + offset);
kunmap_atomic(ptr);
char *kaddr;
ssize_t ret = -ENOMEM;
- if (count >= PAGE_CACHE_SIZE)
+ if (count >= PAGE_SIZE)
goto out_slow;
page = find_or_create_page(mapping, 0, GFP_KERNEL);
ret = cache_do_downcall(kaddr, buf, count, cd);
kunmap(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ret;
out_slow:
return cache_slow_downcall(buf, count, cd);
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
int err;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = RPCAUTH_GSSMAGIC;
sb->s_op = &s_ops;
sb->s_d_op = &simple_dentry_operations;
if (base || xdr->page_base) {
pglen -= base;
base += xdr->page_base;
- ppage += base >> PAGE_CACHE_SHIFT;
- base &= ~PAGE_CACHE_MASK;
+ ppage += base >> PAGE_SHIFT;
+ base &= ~PAGE_MASK;
}
do {
char *kaddr;
}
}
- len = PAGE_CACHE_SIZE;
+ len = PAGE_SIZE;
kaddr = kmap_atomic(*ppage);
if (base) {
len -= base;
pgto_base += len;
pgfrom_base += len;
- pgto = pages + (pgto_base >> PAGE_CACHE_SHIFT);
- pgfrom = pages + (pgfrom_base >> PAGE_CACHE_SHIFT);
+ pgto = pages + (pgto_base >> PAGE_SHIFT);
+ pgfrom = pages + (pgfrom_base >> PAGE_SHIFT);
- pgto_base &= ~PAGE_CACHE_MASK;
- pgfrom_base &= ~PAGE_CACHE_MASK;
+ pgto_base &= ~PAGE_MASK;
+ pgfrom_base &= ~PAGE_MASK;
do {
/* Are any pointers crossing a page boundary? */
if (pgto_base == 0) {
- pgto_base = PAGE_CACHE_SIZE;
+ pgto_base = PAGE_SIZE;
pgto--;
}
if (pgfrom_base == 0) {
- pgfrom_base = PAGE_CACHE_SIZE;
+ pgfrom_base = PAGE_SIZE;
pgfrom--;
}
char *vto;
size_t copy;
- pgto = pages + (pgbase >> PAGE_CACHE_SHIFT);
- pgbase &= ~PAGE_CACHE_MASK;
+ pgto = pages + (pgbase >> PAGE_SHIFT);
+ pgbase &= ~PAGE_MASK;
for (;;) {
- copy = PAGE_CACHE_SIZE - pgbase;
+ copy = PAGE_SIZE - pgbase;
if (copy > len)
copy = len;
break;
pgbase += copy;
- if (pgbase == PAGE_CACHE_SIZE) {
+ if (pgbase == PAGE_SIZE) {
flush_dcache_page(*pgto);
pgbase = 0;
pgto++;
char *vfrom;
size_t copy;
- pgfrom = pages + (pgbase >> PAGE_CACHE_SHIFT);
- pgbase &= ~PAGE_CACHE_MASK;
+ pgfrom = pages + (pgbase >> PAGE_SHIFT);
+ pgbase &= ~PAGE_MASK;
do {
- copy = PAGE_CACHE_SIZE - pgbase;
+ copy = PAGE_SIZE - pgbase;
if (copy > len)
copy = len;
kunmap_atomic(vfrom);
pgbase += copy;
- if (pgbase == PAGE_CACHE_SIZE) {
+ if (pgbase == PAGE_SIZE) {
pgbase = 0;
pgfrom++;
}
if (base < buf->page_len) {
subbuf->page_len = min(buf->page_len - base, len);
base += buf->page_base;
- subbuf->page_base = base & ~PAGE_CACHE_MASK;
- subbuf->pages = &buf->pages[base >> PAGE_CACHE_SHIFT];
+ subbuf->page_base = base & ~PAGE_MASK;
+ subbuf->pages = &buf->pages[base >> PAGE_SHIFT];
len -= subbuf->page_len;
base = 0;
} else {
todo -= avail_here;
base += buf->page_base;
- ppages = buf->pages + (base >> PAGE_CACHE_SHIFT);
- base &= ~PAGE_CACHE_MASK;
- avail_page = min_t(unsigned int, PAGE_CACHE_SIZE - base,
+ ppages = buf->pages + (base >> PAGE_SHIFT);
+ base &= ~PAGE_MASK;
+ avail_page = min_t(unsigned int, PAGE_SIZE - base,
avail_here);
c = kmap(*ppages) + base;
}
avail_page = min(avail_here,
- (unsigned int) PAGE_CACHE_SIZE);
+ (unsigned int) PAGE_SIZE);
}
base = buf->page_len; /* align to start of tail */
}
if (page_len > len)
page_len = len;
len -= page_len;
- page_offset = (offset + buf->page_base) & (PAGE_CACHE_SIZE - 1);
- i = (offset + buf->page_base) >> PAGE_CACHE_SHIFT;
- thislen = PAGE_CACHE_SIZE - page_offset;
+ page_offset = (offset + buf->page_base) & (PAGE_SIZE - 1);
+ i = (offset + buf->page_base) >> PAGE_SHIFT;
+ thislen = PAGE_SIZE - page_offset;
do {
if (thislen > page_len)
thislen = page_len;
page_len -= thislen;
i++;
page_offset = 0;
- thislen = PAGE_CACHE_SIZE;
+ thislen = PAGE_SIZE;
} while (page_len != 0);
offset = 0;
}
projects / karo-tx-linux.git / commitdiff