#include <linux/stat.h>
#include <linux/time.h>
#include <asm/byteorder.h>
+#include <div64.h>
#include "ext4_common.h"
int ext4fs_symlinknest;
return ext4fs_read_file(ext4fs_file, 0, len, buf);
}
-#if defined(CONFIG_CMD_EXT4_WRITE)
+#if defined(CONFIG_EXT4_WRITE)
static void ext4fs_update(void)
{
short i;
/* update block groups */
for (i = 0; i < fs->no_blkgrp; i++) {
- fs->gd[i].bg_checksum = ext4fs_checksum_update(i);
- put_ext4((uint64_t)(fs->gd[i].block_id * fs->blksz),
+ fs->bgd[i].bg_checksum = ext4fs_checksum_update(i);
+ put_ext4((uint64_t)(fs->bgd[i].block_id * fs->blksz),
fs->blk_bmaps[i], fs->blksz);
}
/* update inode table groups */
for (i = 0; i < fs->no_blkgrp; i++) {
- put_ext4((uint64_t) (fs->gd[i].inode_id * fs->blksz),
+ put_ext4((uint64_t) (fs->bgd[i].inode_id * fs->blksz),
fs->inode_bmaps[i], fs->blksz);
}
static void delete_single_indirect_block(struct ext2_inode *inode)
{
- struct ext2_block_group *gd = NULL;
+ struct ext2_block_group *bgd = NULL;
static int prev_bg_bmap_idx = -1;
long int blknr;
int remainder;
return;
}
/* get block group descriptor table */
- gd = (struct ext2_block_group *)fs->gdtable;
+ bgd = (struct ext2_block_group *)fs->gdtable;
/* deleting the single indirect block associated with inode */
if (inode->b.blocks.indir_block != 0) {
bg_idx--;
}
ext4fs_reset_block_bmap(blknr, fs->blk_bmaps[bg_idx], bg_idx);
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
status =
- ext4fs_devread(gd[bg_idx].block_id *
+ ext4fs_devread(bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal
- (journal_buffer, gd[bg_idx].block_id))
+ (journal_buffer, bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
unsigned int blk_per_grp = ext4fs_root->sblock.blocks_per_group;
unsigned int *di_buffer = NULL;
unsigned int *DIB_start_addr = NULL;
- struct ext2_block_group *gd = NULL;
+ struct ext2_block_group *bgd = NULL;
struct ext_filesystem *fs = get_fs();
char *journal_buffer = zalloc(fs->blksz);
if (!journal_buffer) {
return;
}
/* get the block group descriptor table */
- gd = (struct ext2_block_group *)fs->gdtable;
+ bgd = (struct ext2_block_group *)fs->gdtable;
if (inode->b.blocks.double_indir_block != 0) {
di_buffer = zalloc(fs->blksz);
ext4fs_reset_block_bmap(*di_buffer,
fs->blk_bmaps[bg_idx], bg_idx);
di_buffer++;
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
- status = ext4fs_devread(gd[bg_idx].block_id
+ status = ext4fs_devread(bgd[bg_idx].block_id
* fs->sect_perblk, 0,
fs->blksz,
journal_buffer);
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
bg_idx--;
}
ext4fs_reset_block_bmap(blknr, fs->blk_bmaps[bg_idx], bg_idx);
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(gd[bg_idx].block_id *
+ status = ext4fs_devread(bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
unsigned int *tib_start_addr = NULL;
unsigned int *tip_buffer = NULL;
unsigned int *tipb_start_addr = NULL;
- struct ext2_block_group *gd = NULL;
+ struct ext2_block_group *bgd = NULL;
struct ext_filesystem *fs = get_fs();
char *journal_buffer = zalloc(fs->blksz);
if (!journal_buffer) {
return;
}
/* get block group descriptor table */
- gd = (struct ext2_block_group *)fs->gdtable;
+ bgd = (struct ext2_block_group *)fs->gdtable;
if (inode->b.blocks.triple_indir_block != 0) {
tigp_buffer = zalloc(fs->blksz);
bg_idx);
tip_buffer++;
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
status =
- ext4fs_devread(gd[bg_idx].block_id *
- fs->sect_perblk, 0,
- fs->blksz,
- journal_buffer);
+ ext4fs_devread(
+ bgd[bg_idx].block_id *
+ fs->sect_perblk, 0,
+ fs->blksz,
+ journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].
+ bgd[bg_idx].
block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
fs->blk_bmaps[bg_idx], bg_idx);
tigp_buffer++;
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
status =
- ext4fs_devread(gd[bg_idx].block_id *
+ ext4fs_devread(bgd[bg_idx].block_id *
fs->sect_perblk, 0,
fs->blksz, journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
bg_idx--;
}
ext4fs_reset_block_bmap(blknr, fs->blk_bmaps[bg_idx], bg_idx);
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(gd[bg_idx].block_id *
+ status = ext4fs_devread(bgd[bg_idx].block_id *
fs->sect_perblk, 0, fs->blksz,
journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
unsigned int blk_per_grp = ext4fs_root->sblock.blocks_per_group;
unsigned int inode_per_grp = ext4fs_root->sblock.inodes_per_group;
struct ext2_inode *inode_buffer = NULL;
- struct ext2_block_group *gd = NULL;
+ struct ext2_block_group *bgd = NULL;
struct ext_filesystem *fs = get_fs();
char *journal_buffer = zalloc(fs->blksz);
if (!journal_buffer)
return -ENOMEM;
/* get the block group descriptor table */
- gd = (struct ext2_block_group *)fs->gdtable;
+ bgd = (struct ext2_block_group *)fs->gdtable;
status = ext4fs_read_inode(ext4fs_root, inodeno, &inode);
if (status == 0)
goto fail;
debug("EXT4_EXTENTS Block releasing %ld: %d\n",
blknr, bg_idx);
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
status =
- ext4fs_devread(gd[bg_idx].block_id *
+ ext4fs_devread(bgd[bg_idx].block_id *
fs->sect_perblk, 0,
fs->blksz, journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
bg_idx);
debug("ActualB releasing %ld: %d\n", blknr, bg_idx);
- gd[bg_idx].free_blocks++;
+ bgd[bg_idx].free_blocks++;
fs->sb->free_blocks++;
/* journal backup */
if (prev_bg_bmap_idx != bg_idx) {
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(gd[bg_idx].block_id
+ status = ext4fs_devread(bgd[bg_idx].block_id
* fs->sect_perblk,
0, fs->blksz,
journal_buffer);
if (status == 0)
goto fail;
if (ext4fs_log_journal(journal_buffer,
- gd[bg_idx].block_id))
+ bgd[bg_idx].block_id))
goto fail;
prev_bg_bmap_idx = bg_idx;
}
/* get the block no */
inodeno--;
- blkno = __le32_to_cpu(gd[ibmap_idx].inode_table_id) +
+ blkno = __le32_to_cpu(bgd[ibmap_idx].inode_table_id) +
(inodeno % __le32_to_cpu(inode_per_grp)) / inodes_per_block;
/* get the offset of the inode */
/* update the respective inode bitmaps */
inodeno++;
ext4fs_reset_inode_bmap(inodeno, fs->inode_bmaps[ibmap_idx], ibmap_idx);
- gd[ibmap_idx].free_inodes++;
+ bgd[ibmap_idx].free_inodes++;
fs->sb->free_inodes++;
/* journal backup */
memset(journal_buffer, '\0', fs->blksz);
- status = ext4fs_devread(gd[ibmap_idx].inode_id *
+ status = ext4fs_devread(bgd[ibmap_idx].inode_id *
fs->sect_perblk, 0, fs->blksz, journal_buffer);
if (status == 0)
goto fail;
- if (ext4fs_log_journal(journal_buffer, gd[ibmap_idx].inode_id))
+ if (ext4fs_log_journal(journal_buffer, bgd[ibmap_idx].inode_id))
goto fail;
ext4fs_update();
printf("Error in getting the block group descriptor table\n");
goto fail;
}
- fs->gd = (struct ext2_block_group *)fs->gdtable;
+ fs->bgd = (struct ext2_block_group *)fs->gdtable;
/* load all the available bitmap block of the partition */
fs->blk_bmaps = zalloc(fs->no_blkgrp * sizeof(char *));
for (i = 0; i < fs->no_blkgrp; i++) {
status =
- ext4fs_devread(fs->gd[i].block_id * fs->sect_perblk, 0,
+ ext4fs_devread(fs->bgd[i].block_id * fs->sect_perblk, 0,
fs->blksz, (char *)fs->blk_bmaps[i]);
if (status == 0)
goto fail;
}
for (i = 0; i < fs->no_blkgrp; i++) {
- status = ext4fs_devread(fs->gd[i].inode_id * fs->sect_perblk,
+ status = ext4fs_devread(fs->bgd[i].inode_id * fs->sect_perblk,
0, fs->blksz,
(char *)fs->inode_bmaps[i]);
if (status == 0)
* reboot of a linux kernel
*/
for (i = 0; i < fs->no_blkgrp; i++)
- real_free_blocks = real_free_blocks + fs->gd[i].free_blocks;
+ real_free_blocks = real_free_blocks + fs->bgd[i].free_blocks;
if (real_free_blocks != fs->sb->free_blocks)
fs->sb->free_blocks = real_free_blocks;
free(fs->gdtable);
fs->gdtable = NULL;
- fs->gd = NULL;
+ fs->bgd = NULL;
/*
* reinitiliazed the global inode and
* block bitmap first execution check variables
int previous_block_number = -1;
int delayed_start = 0;
int delayed_extent = 0;
- int delayed_skipfirst = 0;
int delayed_next = 0;
char *delayed_buf = NULL;
previous_block_number = blknr;
delayed_start = blknr;
delayed_extent = blockend;
- delayed_skipfirst = skipfirst;
delayed_buf = buf;
delayed_next = blknr +
(blockend >> SECTOR_BITS);
previous_block_number = blknr;
delayed_start = blknr;
delayed_extent = blockend;
- delayed_skipfirst = skipfirst;
delayed_buf = buf;
delayed_next = blknr +
(blockend >> SECTOR_BITS);
unsigned int blks_reqd_for_file;
unsigned int blocks_remaining;
int existing_file_inodeno;
- char filename[256];
-
char *temp_ptr = NULL;
long int itable_blkno;
long int parent_itable_blkno;
unsigned int inodes_per_block;
unsigned int ibmap_idx;
struct ext_filesystem *fs = get_fs();
+ ALLOC_CACHE_ALIGN_BUFFER(char, filename, 256);
+ memset(filename, 0x00, sizeof(filename));
+
g_parent_inode = zalloc(sizeof(struct ext2_inode));
if (!g_parent_inode)
goto fail;
}
/* calucalate how many blocks required */
bytes_reqd_for_file = sizebytes;
- blks_reqd_for_file = bytes_reqd_for_file / fs->blksz;
- if (bytes_reqd_for_file % fs->blksz != 0) {
+ blks_reqd_for_file = lldiv(bytes_reqd_for_file, fs->blksz);
+ if (do_div(bytes_reqd_for_file, fs->blksz) != 0) {
blks_reqd_for_file++;
debug("total bytes for a file %u\n", blks_reqd_for_file);
}
goto fail;
ibmap_idx = inodeno / ext4fs_root->sblock.inodes_per_group;
inodeno--;
- itable_blkno = __le32_to_cpu(fs->gd[ibmap_idx].inode_table_id) +
+ itable_blkno = __le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
(inodeno % __le32_to_cpu(sblock->inodes_per_group)) /
inodes_per_block;
blkoff = (inodeno % inodes_per_block) * fs->inodesz;
}
ibmap_idx = parent_inodeno / ext4fs_root->sblock.inodes_per_group;
parent_inodeno--;
- parent_itable_blkno = __le32_to_cpu(fs->gd[ibmap_idx].inode_table_id) +
+ parent_itable_blkno = __le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
(parent_inodeno %
__le32_to_cpu(sblock->inodes_per_group)) / inodes_per_block;
blkoff = (parent_inodeno % inodes_per_block) * fs->inodesz;
projects / karo-tx-uboot.git / blobdiff