#include "tree-log.h"
#include "free-space-cache.h"
#include "inode-map.h"
+#include "check-integrity.h"
static struct extent_io_ops btree_extent_io_ops;
static void end_workqueue_fn(struct btrfs_work *work);
tree = &BTRFS_I(page->mapping->host)->io_tree;
map = &BTRFS_I(page->mapping->host)->extent_tree;
+ /*
+ * We need to mask out eg. __GFP_HIGHMEM and __GFP_DMA32 as we're doing
+ * slab allocation from alloc_extent_state down the callchain where
+ * it'd hit a BUG_ON as those flags are not allowed.
+ */
+ gfp_flags &= ~GFP_SLAB_BUG_MASK;
+
ret = try_release_extent_state(map, tree, page, gfp_flags);
if (!ret)
return 0;
root->orphan_item_inserted = 0;
root->orphan_cleanup_state = 0;
- root->fs_info = fs_info;
root->objectid = objectid;
root->last_trans = 0;
root->highest_objectid = 0;
return 0;
}
+static struct btrfs_root *btrfs_alloc_root(struct btrfs_fs_info *fs_info)
+{
+ struct btrfs_root *root = kzalloc(sizeof(*root), GFP_NOFS);
+ if (root)
+ root->fs_info = fs_info;
+ return root;
+}
+
static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info)
{
struct btrfs_root *tree_root = fs_info->tree_root;
struct extent_buffer *leaf;
- root = kzalloc(sizeof(*root), GFP_NOFS);
+ root = btrfs_alloc_root(fs_info);
if (!root)
return ERR_PTR(-ENOMEM);
root->ref_cows = 0;
leaf = btrfs_alloc_free_block(trans, root, root->leafsize, 0,
- BTRFS_TREE_LOG_OBJECTID, NULL, 0, 0, 0);
+ BTRFS_TREE_LOG_OBJECTID, NULL,
+ 0, 0, 0, 0);
if (IS_ERR(leaf)) {
kfree(root);
return ERR_CAST(leaf);
u32 blocksize;
int ret = 0;
- root = kzalloc(sizeof(*root), GFP_NOFS);
+ root = btrfs_alloc_root(fs_info);
if (!root)
return ERR_PTR(-ENOMEM);
if (location->offset == (u64)-1) {
}
-struct btrfs_root *open_ctree(struct super_block *sb,
- struct btrfs_fs_devices *fs_devices,
- char *options)
+int open_ctree(struct super_block *sb,
+ struct btrfs_fs_devices *fs_devices,
+ char *options)
{
u32 sectorsize;
u32 nodesize;
struct btrfs_key location;
struct buffer_head *bh;
struct btrfs_super_block *disk_super;
- struct btrfs_root *tree_root = btrfs_sb(sb);
- struct btrfs_fs_info *fs_info = tree_root->fs_info;
+ struct btrfs_fs_info *fs_info = btrfs_sb(sb);
+ struct btrfs_root *tree_root;
struct btrfs_root *extent_root;
struct btrfs_root *csum_root;
struct btrfs_root *chunk_root;
int num_backups_tried = 0;
int backup_index = 0;
- extent_root = fs_info->extent_root =
- kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
- csum_root = fs_info->csum_root =
- kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
- chunk_root = fs_info->chunk_root =
- kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
- dev_root = fs_info->dev_root =
- kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+ tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info);
+ extent_root = fs_info->extent_root = btrfs_alloc_root(fs_info);
+ csum_root = fs_info->csum_root = btrfs_alloc_root(fs_info);
+ chunk_root = fs_info->chunk_root = btrfs_alloc_root(fs_info);
+ dev_root = fs_info->dev_root = btrfs_alloc_root(fs_info);
- if (!extent_root || !csum_root || !chunk_root || !dev_root) {
+ if (!tree_root || !extent_root || !csum_root ||
+ !chunk_root || !dev_root) {
err = -ENOMEM;
goto fail;
}
init_waitqueue_head(&fs_info->scrub_pause_wait);
init_rwsem(&fs_info->scrub_super_lock);
fs_info->scrub_workers_refcnt = 0;
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+ fs_info->check_integrity_print_mask = 0;
+#endif
+
+ spin_lock_init(&fs_info->balance_lock);
+ mutex_init(&fs_info->balance_mutex);
+ atomic_set(&fs_info->balance_running, 0);
+ atomic_set(&fs_info->balance_pause_req, 0);
+ atomic_set(&fs_info->balance_cancel_req, 0);
+ fs_info->balance_ctl = NULL;
+ init_waitqueue_head(&fs_info->balance_wait_q);
sb->s_blocksize = 4096;
sb->s_blocksize_bits = blksize_bits(4096);
(unsigned long)btrfs_header_chunk_tree_uuid(chunk_root->node),
BTRFS_UUID_SIZE);
- mutex_lock(&fs_info->chunk_mutex);
ret = btrfs_read_chunk_tree(chunk_root);
- mutex_unlock(&fs_info->chunk_mutex);
if (ret) {
printk(KERN_WARNING "btrfs: failed to read chunk tree on %s\n",
sb->s_id);
fs_info->generation = generation;
fs_info->last_trans_committed = generation;
- fs_info->data_alloc_profile = (u64)-1;
- fs_info->metadata_alloc_profile = (u64)-1;
- fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
ret = btrfs_init_space_info(fs_info);
if (ret) {
btrfs_set_opt(fs_info->mount_opt, SSD);
}
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+ if (btrfs_test_opt(tree_root, CHECK_INTEGRITY)) {
+ ret = btrfsic_mount(tree_root, fs_devices,
+ btrfs_test_opt(tree_root,
+ CHECK_INTEGRITY_INCLUDING_EXTENT_DATA) ?
+ 1 : 0,
+ fs_info->check_integrity_print_mask);
+ if (ret)
+ printk(KERN_WARNING "btrfs: failed to initialize"
+ " integrity check module %s\n", sb->s_id);
+ }
+#endif
+
/* do not make disk changes in broken FS */
if (btrfs_super_log_root(disk_super) != 0 &&
!(fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)) {
btrfs_level_size(tree_root,
btrfs_super_log_root_level(disk_super));
- log_tree_root = kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+ log_tree_root = btrfs_alloc_root(fs_info);
if (!log_tree_root) {
err = -ENOMEM;
goto fail_trans_kthread;
if (!err)
err = btrfs_orphan_cleanup(fs_info->tree_root);
up_read(&fs_info->cleanup_work_sem);
+
+ if (!err)
+ err = btrfs_recover_balance(fs_info->tree_root);
+
if (err) {
close_ctree(tree_root);
- return ERR_PTR(err);
+ return err;
}
}
- return tree_root;
+ return 0;
fail_trans_kthread:
kthread_stop(fs_info->transaction_kthread);
cleanup_srcu_struct(&fs_info->subvol_srcu);
fail:
btrfs_close_devices(fs_info->fs_devices);
- free_fs_info(fs_info);
- return ERR_PTR(err);
+ return err;
recovery_tree_root:
if (!btrfs_test_opt(tree_root, RECOVERY))
* we fua the first super. The others we allow
* to go down lazy.
*/
- ret = submit_bh(WRITE_FUA, bh);
+ ret = btrfsic_submit_bh(WRITE_FUA, bh);
if (ret)
errors++;
}
device->flush_bio = bio;
bio_get(bio);
- submit_bio(WRITE_FLUSH, bio);
+ btrfsic_submit_bio(WRITE_FLUSH, bio);
return 0;
}
fs_info->closing = 1;
smp_mb();
+ /* pause restriper - we want to resume on mount */
+ btrfs_pause_balance(root->fs_info);
+
btrfs_scrub_cancel(root);
/* wait for any defraggers to finish */
(atomic_read(&fs_info->defrag_running) == 0));
/* clear out the rbtree of defraggable inodes */
- btrfs_run_defrag_inodes(root->fs_info);
+ btrfs_run_defrag_inodes(fs_info);
/*
* Here come 2 situations when btrfs is broken to flip readonly:
btrfs_put_block_group_cache(fs_info);
- kthread_stop(root->fs_info->transaction_kthread);
- kthread_stop(root->fs_info->cleaner_kthread);
+ kthread_stop(fs_info->transaction_kthread);
+ kthread_stop(fs_info->cleaner_kthread);
fs_info->closing = 2;
smp_mb();
free_extent_buffer(fs_info->extent_root->commit_root);
free_extent_buffer(fs_info->tree_root->node);
free_extent_buffer(fs_info->tree_root->commit_root);
- free_extent_buffer(root->fs_info->chunk_root->node);
- free_extent_buffer(root->fs_info->chunk_root->commit_root);
- free_extent_buffer(root->fs_info->dev_root->node);
- free_extent_buffer(root->fs_info->dev_root->commit_root);
- free_extent_buffer(root->fs_info->csum_root->node);
- free_extent_buffer(root->fs_info->csum_root->commit_root);
+ free_extent_buffer(fs_info->chunk_root->node);
+ free_extent_buffer(fs_info->chunk_root->commit_root);
+ free_extent_buffer(fs_info->dev_root->node);
+ free_extent_buffer(fs_info->dev_root->commit_root);
+ free_extent_buffer(fs_info->csum_root->node);
+ free_extent_buffer(fs_info->csum_root->commit_root);
- btrfs_free_block_groups(root->fs_info);
+ btrfs_free_block_groups(fs_info);
del_fs_roots(fs_info);
btrfs_stop_workers(&fs_info->caching_workers);
btrfs_stop_workers(&fs_info->readahead_workers);
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+ if (btrfs_test_opt(root, CHECK_INTEGRITY))
+ btrfsic_unmount(root, fs_info->fs_devices);
+#endif
+
btrfs_close_devices(fs_info->fs_devices);
btrfs_mapping_tree_free(&fs_info->mapping_tree);
bdi_destroy(&fs_info->bdi);
cleanup_srcu_struct(&fs_info->subvol_srcu);
- free_fs_info(fs_info);
-
return 0;
}
projects / karo-tx-linux.git / blobdiff