int ddfs_hash_write(ext2_filsys fs, __u32 blk_no, __u8 hash[DDFS_HASH_LEN]) {
blk_t phy_blk_no =0;
unsigned inBlockIndex;
//struct buffer_head * bh;
unsigned long group;
group = ext2fs_group_of_blk(fs,blk_no) & (~0x3);
blk_t first_block = ext2fs_group_first_block(fs, group);
unsigned offset;
struct ext2_group_desc * desc = &fs->group_desc[group];
phy_blk_no = (blk_no - ext2fs_group_first_block(fs,group)) / 128 + desc->bg_block_store;
inBlockIndex = (blk_no - ext2fs_group_first_block(fs,group)) % 128;
io_channel_read_blk(fs->io,phy_blk_no,1,blk_buf);
//bh = sb_bread(sb, phy_blk_no);
//TODO: Error check
memcpy( blk_buf + 32 * inBlockIndex + 8,hash, 24);
memcpy(blk_buf + DDFS_HASH_LEN * inBlockIndex, hash, DDFS_HASH_LEN);
io_channel_write_blk(fs->io,phy_blk_no,1,blk_buf);
return 0;
}
blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i)
{
int bg;
int has_super = 0;
int ret_blk;
if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) ||
(i < fs->super->s_first_meta_bg))
return (group_block + i + 1);
bg = EXT2_DESC_PER_BLOCK(fs->super) * i;
if (ext2fs_bg_has_super(fs, bg))
has_super = 1;
ret_blk = ext2fs_group_first_block(fs, bg) + has_super;
/*
* If group_block is not the normal value, we're trying to use
* the backup group descriptors and superblock --- so use the
* alternate location of the second block group in the
* metablock group. Ideally we should be testing each bg
* descriptor block individually for correctness, but we don't
* have the infrastructure in place to do that.
*/
if (group_block != fs->super->s_first_data_block &&
((ret_blk + fs->super->s_blocks_per_group) <
fs->super->s_blocks_count))
ret_blk += fs->super->s_blocks_per_group;
return ret_blk;
}
static void print_bg_rel_offset(ext2_filsys fs, blk64_t block, int itable,
blk64_t first_block, blk64_t last_block)
{
if ((block >= first_block) && (block <= last_block)) {
if (itable && block == first_block)
return;
printf(" (+%u)", (unsigned)(block - first_block));
} else if (fs->super->s_feature_incompat &
EXT4_FEATURE_INCOMPAT_FLEX_BG) {
dgrp_t flex_grp = ext2fs_group_of_blk(fs, block);
printf(" (bg #%u + %u)", flex_grp,
(unsigned)(block-ext2fs_group_first_block(fs,flex_grp)));
}
}
int ddfs_count_read(ext2_filsys fs, __u32 blk_no, __u32 * count) {
blk_t phy_blk_no =0;
unsigned inBlockIndex;
//struct buffer_head * bh;
unsigned long group;
group = ext2fs_group_of_blk(fs,blk_no) & (~0x3);
blk_t first_block = ext2fs_group_first_block(fs, group);
unsigned offset;
struct ext2_group_desc * desc = &fs->group_desc[group];
phy_blk_no = (blk_no - ext2fs_group_first_block(fs,group)) / 128 + desc->bg_block_store;
inBlockIndex = (blk_no - ext2fs_group_first_block(fs,group)) % 128;
io_channel_read_blk(fs->io,phy_blk_no,1,blk_buf);
//bh = sb_bread(sb, phy_blk_no);
//TODO: Error check
memcpy(count, blk_buf + 32 * inBlockIndex , 4);
return 0;
}
static int ddfs_get_range(ext2_filsys fs,blk_t blk_no,blk_t *start,blk_t * end){
unsigned entry_per_block = 128;
unsigned long group;
struct ext2_group_desc * desc;
blk_t first_block;
group = ext2fs_group_of_blk(fs,blk_no);
first_block = ext2fs_group_first_block(fs, group);
desc = &fs->group_desc[group];
unsigned pos = blk_no - desc->bg_block_store;
*start = pos * entry_per_block + first_block;
*end = *start + entry_per_block;
return 0;
}
/*
* This routine searches for free blocks that can allocate a full
* group of bitmaps or inode tables for a flexbg group. Returns the
* block number with a correct offset were the bitmaps and inode
* tables can be allocated continously and in order.
*/
static blk_t flexbg_offset(ext2_filsys fs, dgrp_t group, blk64_t start_blk,
ext2fs_block_bitmap bmap, int offset, int size,
int elem_size)
{
int flexbg, flexbg_size;
blk_t last_blk, first_free = 0;
dgrp_t last_grp;
flexbg_size = 1 << fs->super->s_log_groups_per_flex;
flexbg = group / flexbg_size;
if (size > (int) (fs->super->s_blocks_per_group / 8))
size = (int) fs->super->s_blocks_per_group / 8;
if (offset)
offset -= 1;
/*
* Don't do a long search if the previous block
* search is still valid.
*/
if (start_blk && group % flexbg_size) {
if (ext2fs_test_block_bitmap_range2(bmap, start_blk + elem_size,
size))
return start_blk + elem_size;
}
start_blk = ext2fs_group_first_block(fs, flexbg_size * flexbg);
last_grp = group | (flexbg_size - 1);
if (last_grp > fs->group_desc_count)
last_grp = fs->group_desc_count;
last_blk = ext2fs_group_last_block(fs, last_grp);
/* Find the first available block */
if (ext2fs_get_free_blocks(fs, start_blk, last_blk, 1, bmap,
&first_free))
return first_free;
if (ext2fs_get_free_blocks(fs, first_free + offset, last_blk, size,
bmap, &first_free))
return first_free;
return first_free;
}
/*
* This routine sanity checks the group descriptors
*/
errcode_t ext2fs_check_desc(ext2_filsys fs)
{
dgrp_t i;
blk_t first_block = fs->super->s_first_data_block;
blk_t last_block;
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
for (i = 0; i < fs->group_desc_count; i++) {
first_block = ext2fs_group_first_block(fs, i);
last_block = ext2fs_group_last_block(fs, i);
/*
* Check to make sure block bitmap for group is
* located within the group.
*/
if (fs->group_desc[i].bg_block_bitmap < first_block ||
fs->group_desc[i].bg_block_bitmap > last_block)
return EXT2_ET_GDESC_BAD_BLOCK_MAP;
/*
* Check to make sure inode bitmap for group is
* located within the group
*/
if (fs->group_desc[i].bg_inode_bitmap < first_block ||
fs->group_desc[i].bg_inode_bitmap > last_block)
return EXT2_ET_GDESC_BAD_INODE_MAP;
/*
* Check to make sure inode table for group is located
* within the group
*/
if (fs->group_desc[i].bg_inode_table < first_block ||
((fs->group_desc[i].bg_inode_table +
fs->inode_blocks_per_group) > last_block))
return EXT2_ET_GDESC_BAD_INODE_TABLE;
}
return 0;
}
int ddfs_is_hash_block(ext2_filsys fs,blk_t blk_no){
unsigned long group;
struct ext2_group_desc * desc;
blk_t first_block;
group = ext2fs_group_of_blk(fs,blk_no);
first_block = ext2fs_group_first_block(fs, group);
desc = &fs->group_desc[group];
if(group % 4 == 0 && blk_no >= desc->bg_block_store &&
blk_no <= desc->bg_block_store + fs->super->s_blocks_per_group * 4 / 128){
printf("YES!\n");
return 1;
}
#ifdef DDFS_STORE_DEBUG
printf("blk_no = %u,first_block = %u,"
"desc->bg_block_store = %u\n",
blk_no,first_block,
desc->bg_block_store
);
#endif
return 0;
}
/*
* This function returns the location of the superblock, block group
* descriptors for a given block group. It currently returns the
* number of free blocks assuming that inode table and allocation
* bitmaps will be in the group. This is not necessarily the case
* when the flex_bg feature is enabled, so callers should take care!
* It was only really intended for use by mke2fs, and even there it's
* not that useful. In the future, when we redo this function for
* 64-bit block numbers, we should probably return the number of
* blocks used by the super block and group descriptors instead.
*
* See also the comment for ext2fs_reserve_super_and_bgd()
*/
int ext2fs_super_and_bgd_loc(ext2_filsys fs,
dgrp_t group,
blk_t *ret_super_blk,
blk_t *ret_old_desc_blk,
blk_t *ret_new_desc_blk,
int *ret_meta_bg)
{
blk_t group_block, super_blk = 0, old_desc_blk = 0, new_desc_blk = 0;
unsigned int meta_bg, meta_bg_size;
blk_t numblocks, old_desc_blocks;
int has_super;
group_block = ext2fs_group_first_block(fs, group);
if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
old_desc_blocks = fs->super->s_first_meta_bg;
else
old_desc_blocks =
fs->desc_blocks + fs->super->s_reserved_gdt_blocks;
if (group == fs->group_desc_count-1) {
numblocks = (fs->super->s_blocks_count -
fs->super->s_first_data_block) %
fs->super->s_blocks_per_group;
if (!numblocks)
numblocks = fs->super->s_blocks_per_group;
} else
numblocks = fs->super->s_blocks_per_group;
has_super = ext2fs_bg_has_super(fs, group);
if (has_super) {
super_blk = group_block;
numblocks--;
}
meta_bg_size = EXT2_DESC_PER_BLOCK(fs->super);
meta_bg = group / meta_bg_size;
if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) ||
(meta_bg < fs->super->s_first_meta_bg)) {
if (has_super) {
old_desc_blk = group_block + 1;
numblocks -= old_desc_blocks;
}
} else {
if (((group % meta_bg_size) == 0) ||
((group % meta_bg_size) == 1) ||
((group % meta_bg_size) == (meta_bg_size-1))) {
if (has_super)
has_super = 1;
new_desc_blk = group_block + has_super;
numblocks--;
}
}
numblocks -= 2 + fs->inode_blocks_per_group;
if (ret_super_blk)
*ret_super_blk = super_blk;
if (ret_old_desc_blk)
*ret_old_desc_blk = old_desc_blk;
if (ret_new_desc_blk)
*ret_new_desc_blk = new_desc_blk;
if (ret_meta_bg)
*ret_meta_bg = meta_bg;
return (numblocks);
}
errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
ext2fs_block_bitmap bmap)
{
errcode_t retval;
blk_t group_blk, start_blk, last_blk, new_blk, blk;
int j;
group_blk = ext2fs_group_first_block(fs, group);
last_blk = ext2fs_group_last_block(fs, group);
if (!bmap)
bmap = fs->block_map;
/*
* Allocate the block and inode bitmaps, if necessary
*/
if (fs->stride) {
retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
1, bmap, &start_blk);
if (retval)
return retval;
start_blk += fs->inode_blocks_per_group;
start_blk += ((fs->stride * group) %
(last_blk - start_blk + 1));
if (start_blk >= last_blk)
start_blk = group_blk;
} else
start_blk = group_blk;
if (!fs->group_desc[group].bg_block_bitmap) {
retval = ext2fs_get_free_blocks(fs, start_blk, last_blk,
1, bmap, &new_blk);
if (retval == EXT2_ET_BLOCK_ALLOC_FAIL)
retval = ext2fs_get_free_blocks(fs, group_blk,
last_blk, 1, bmap, &new_blk);
if (retval)
return retval;
ext2fs_mark_block_bitmap(bmap, new_blk);
fs->group_desc[group].bg_block_bitmap = new_blk;
}
if (!fs->group_desc[group].bg_inode_bitmap) {
retval = ext2fs_get_free_blocks(fs, start_blk, last_blk,
1, bmap, &new_blk);
if (retval == EXT2_ET_BLOCK_ALLOC_FAIL)
retval = ext2fs_get_free_blocks(fs, group_blk,
last_blk, 1, bmap, &new_blk);
if (retval)
return retval;
ext2fs_mark_block_bitmap(bmap, new_blk);
fs->group_desc[group].bg_inode_bitmap = new_blk;
}
/*
* Allocate the inode table
*/
if (!fs->group_desc[group].bg_inode_table) {
retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
fs->inode_blocks_per_group,
bmap, &new_blk);
if (retval)
return retval;
for (j=0, blk = new_blk;
j < fs->inode_blocks_per_group;
j++, blk++)
ext2fs_mark_block_bitmap(bmap, blk);
fs->group_desc[group].bg_inode_table = new_blk;
}
return 0;
}
static void list_desc (ext2_filsys fs)
{
unsigned long i;
blk_t first_block, last_block;
blk_t super_blk, old_desc_blk, new_desc_blk;
char *block_bitmap=NULL, *inode_bitmap=NULL;
int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
int block_nbytes, inode_nbytes;
int has_super;
blk_t blk_itr = fs->super->s_first_data_block;
ext2_ino_t ino_itr = 1;
block_nbytes = EXT2_BLOCKS_PER_GROUP(fs->super) / 8;
inode_nbytes = EXT2_INODES_PER_GROUP(fs->super) / 8;
if (fs->block_map)
block_bitmap = malloc(block_nbytes);
if (fs->inode_map)
inode_bitmap = malloc(inode_nbytes);
inode_blocks_per_group = ((fs->super->s_inodes_per_group *
EXT2_INODE_SIZE(fs->super)) +
EXT2_BLOCK_SIZE(fs->super) - 1) /
EXT2_BLOCK_SIZE(fs->super);
reserved_gdt = fs->super->s_reserved_gdt_blocks;
fputc('\n', stdout);
first_block = fs->super->s_first_data_block;
if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
old_desc_blocks = fs->super->s_first_meta_bg;
else
old_desc_blocks = fs->desc_blocks;
for (i = 0; i < fs->group_desc_count; i++) {
first_block = ext2fs_group_first_block(fs, i);
last_block = ext2fs_group_last_block(fs, i);
ext2fs_super_and_bgd_loc(fs, i, &super_blk,
&old_desc_blk, &new_desc_blk, 0);
printf (_("Group %lu: (Blocks "), i);
print_range(first_block, last_block);
fputs(")", stdout);
print_bg_opts(fs, i);
if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
printf(_(" Checksum 0x%04x, unused inodes %d\n"),
fs->group_desc[i].bg_checksum,
fs->group_desc[i].bg_itable_unused);
has_super = ((i==0) || super_blk);
if (has_super) {
printf (_(" %s superblock at "),
i == 0 ? _("Primary") : _("Backup"));
print_number(super_blk);
}
if (old_desc_blk) {
printf(_(", Group descriptors at "));
print_range(old_desc_blk,
old_desc_blk + old_desc_blocks - 1);
if (reserved_gdt) {
printf(_("\n Reserved GDT blocks at "));
print_range(old_desc_blk + old_desc_blocks,
old_desc_blk + old_desc_blocks +
reserved_gdt - 1);
}
} else if (new_desc_blk) {
fputc(has_super ? ',' : ' ', stdout);
printf(_(" Group descriptor at "));
print_number(new_desc_blk);
has_super++;
}
if (has_super)
fputc('\n', stdout);
fputs(_(" Block bitmap at "), stdout);
print_number(fs->group_desc[i].bg_block_bitmap);
print_bg_rel_offset(fs, fs->group_desc[i].bg_block_bitmap, 0,
first_block, last_block);
fputs(_(", Inode bitmap at "), stdout);
print_number(fs->group_desc[i].bg_inode_bitmap);
print_bg_rel_offset(fs, fs->group_desc[i].bg_inode_bitmap, 0,
first_block, last_block);
fputs(_("\n Inode table at "), stdout);
print_range(fs->group_desc[i].bg_inode_table,
fs->group_desc[i].bg_inode_table +
inode_blocks_per_group - 1);
print_bg_rel_offset(fs, fs->group_desc[i].bg_inode_table, 1,
first_block, last_block);
printf (_("\n %u free blocks, %u free inodes, "
"%u directories%s"),
fs->group_desc[i].bg_free_blocks_count,
fs->group_desc[i].bg_free_inodes_count,
fs->group_desc[i].bg_used_dirs_count,
fs->group_desc[i].bg_itable_unused ? "" : "\n");
if (fs->group_desc[i].bg_itable_unused)
printf (_(", %u unused inodes\n"),
fs->group_desc[i].bg_itable_unused);
if (block_bitmap) {
fputs(_(" Free blocks: "), stdout);
ext2fs_get_block_bitmap_range(fs->block_map,
blk_itr, block_nbytes << 3, block_bitmap);
print_free (i, block_bitmap,
fs->super->s_blocks_per_group,
fs->super->s_first_data_block);
fputc('\n', stdout);
blk_itr += fs->super->s_blocks_per_group;
}
if (inode_bitmap) {
fputs(_(" Free inodes: "), stdout);
ext2fs_get_inode_bitmap_range(fs->inode_map,
ino_itr, inode_nbytes << 3, inode_bitmap);
print_free (i, inode_bitmap,
fs->super->s_inodes_per_group, 1);
fputc('\n', stdout);
ino_itr += fs->super->s_inodes_per_group;
}
}
if (block_bitmap)
free(block_bitmap);
if (inode_bitmap)
free(inode_bitmap);
}
/*
* This routine sanity checks the group descriptors
*/
errcode_t ext2fs_check_desc(ext2_filsys fs)
{
ext2fs_block_bitmap bmap;
errcode_t retval;
dgrp_t i;
blk_t first_block = fs->super->s_first_data_block;
blk_t last_block = fs->super->s_blocks_count-1;
blk_t blk, b;
int j;
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
retval = ext2fs_allocate_block_bitmap(fs, "check_desc map", &bmap);
if (retval)
return retval;
for (i = 0; i < fs->group_desc_count; i++)
ext2fs_reserve_super_and_bgd(fs, i, bmap);
for (i = 0; i < fs->group_desc_count; i++) {
if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
first_block = ext2fs_group_first_block(fs, i);
last_block = ext2fs_group_last_block(fs, i);
if (i == (fs->group_desc_count - 1))
last_block = fs->super->s_blocks_count-1;
}
/*
* Check to make sure the block bitmap for group is sane
*/
blk = fs->group_desc[i].bg_block_bitmap;
if (blk < first_block || blk > last_block ||
ext2fs_test_block_bitmap2(bmap, blk)) {
retval = EXT2_ET_GDESC_BAD_BLOCK_MAP;
goto errout;
}
ext2fs_mark_block_bitmap2(bmap, blk);
/*
* Check to make sure the inode bitmap for group is sane
*/
blk = fs->group_desc[i].bg_inode_bitmap;
if (blk < first_block || blk > last_block ||
ext2fs_test_block_bitmap2(bmap, blk)) {
retval = EXT2_ET_GDESC_BAD_INODE_MAP;
goto errout;
}
ext2fs_mark_block_bitmap2(bmap, blk);
/*
* Check to make sure the inode table for group is sane
*/
blk = fs->group_desc[i].bg_inode_table;
if (blk < first_block ||
((blk + fs->inode_blocks_per_group - 1) > last_block)) {
retval = EXT2_ET_GDESC_BAD_INODE_TABLE;
goto errout;
}
for (j = 0, b = blk; j < fs->inode_blocks_per_group;
j++, b++) {
if (ext2fs_test_block_bitmap2(bmap, b)) {
retval = EXT2_ET_GDESC_BAD_INODE_TABLE;
goto errout;
}
ext2fs_mark_block_bitmap2(bmap, b);
}
}
errout:
ext2fs_free_block_bitmap(bmap);
return retval;
}
errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
ext2fs_block_bitmap bmap)
{
errcode_t retval;
blk_t group_blk, start_blk, last_blk, new_blk, blk;
dgrp_t last_grp = 0;
int j, rem_grps = 0, flexbg_size = 0;
group_blk = ext2fs_group_first_block(fs, group);
last_blk = ext2fs_group_last_block(fs, group);
if (!bmap)
bmap = fs->block_map;
if (EXT2_HAS_INCOMPAT_FEATURE(fs->super,
EXT4_FEATURE_INCOMPAT_FLEX_BG) &&
fs->super->s_log_groups_per_flex) {
flexbg_size = 1 << fs->super->s_log_groups_per_flex;
last_grp = group | (flexbg_size - 1);
rem_grps = last_grp - group;
if (last_grp > fs->group_desc_count)
last_grp = fs->group_desc_count;
}
/*
* Allocate the block and inode bitmaps, if necessary
*/
if (fs->stride) {
retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
1, bmap, &start_blk);
if (retval)
return retval;
start_blk += fs->inode_blocks_per_group;
start_blk += ((fs->stride * group) %
(last_blk - start_blk + 1));
if (start_blk >= last_blk)
start_blk = group_blk;
} else
start_blk = group_blk;
if (flexbg_size) {
blk64_t prev_block = 0;
if (group && fs->group_desc[group-1].bg_block_bitmap)
prev_block = fs->group_desc[group-1].bg_block_bitmap;
start_blk = flexbg_offset(fs, group, prev_block, bmap,
0, rem_grps, 1);
last_blk = ext2fs_group_last_block(fs, last_grp);
}
if (!fs->group_desc[group].bg_block_bitmap) {
retval = ext2fs_get_free_blocks(fs, start_blk, last_blk,
1, bmap, &new_blk);
if (retval == EXT2_ET_BLOCK_ALLOC_FAIL)
retval = ext2fs_get_free_blocks(fs, group_blk,
last_blk, 1, bmap, &new_blk);
if (retval)
return retval;
ext2fs_mark_block_bitmap2(bmap, new_blk);
fs->group_desc[group].bg_block_bitmap = new_blk;
if (flexbg_size) {
dgrp_t gr = ext2fs_group_of_blk(fs, new_blk);
fs->group_desc[gr].bg_free_blocks_count--;
fs->super->s_free_blocks_count--;
fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT;
ext2fs_group_desc_csum_set(fs, gr);
}
}
if (flexbg_size) {
blk_t prev_block = 0;
if (group && fs->group_desc[group-1].bg_inode_bitmap)
prev_block = fs->group_desc[group-1].bg_inode_bitmap;
start_blk = flexbg_offset(fs, group, prev_block, bmap,
flexbg_size, rem_grps, 1);
last_blk = ext2fs_group_last_block(fs, last_grp);
}
if (!fs->group_desc[group].bg_inode_bitmap) {
retval = ext2fs_get_free_blocks(fs, start_blk, last_blk,
1, bmap, &new_blk);
if (retval == EXT2_ET_BLOCK_ALLOC_FAIL)
retval = ext2fs_get_free_blocks(fs, group_blk,
last_blk, 1, bmap, &new_blk);
if (retval)
return retval;
ext2fs_mark_block_bitmap2(bmap, new_blk);
fs->group_desc[group].bg_inode_bitmap = new_blk;
if (flexbg_size) {
dgrp_t gr = ext2fs_group_of_blk(fs, new_blk);
fs->group_desc[gr].bg_free_blocks_count--;
fs->super->s_free_blocks_count--;
fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT;
ext2fs_group_desc_csum_set(fs, gr);
}
}
/*
* Allocate the inode table
*/
if (flexbg_size) {
blk_t prev_block = 0;
if (group && fs->group_desc[group-1].bg_inode_table)
prev_block = fs->group_desc[group-1].bg_inode_table;
group_blk = flexbg_offset(fs, group, prev_block, bmap,
flexbg_size * 2,
fs->inode_blocks_per_group *
rem_grps,
fs->inode_blocks_per_group);
last_blk = ext2fs_group_last_block(fs, last_grp);
}
if (!fs->group_desc[group].bg_inode_table) {
retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
fs->inode_blocks_per_group,
bmap, &new_blk);
if (retval)
return retval;
for (j=0, blk = new_blk;
j < fs->inode_blocks_per_group;
j++, blk++) {
ext2fs_mark_block_bitmap2(bmap, blk);
if (flexbg_size) {
dgrp_t gr = ext2fs_group_of_blk(fs, blk);
fs->group_desc[gr].bg_free_blocks_count--;
fs->super->s_free_blocks_count--;
fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT;
ext2fs_group_desc_csum_set(fs, gr);
}
}
fs->group_desc[group].bg_inode_table = new_blk;
}
ext2fs_group_desc_csum_set(fs, group);
return 0;
}