summaryrefslogtreecommitdiffstats
path: root/fs/ext4/ialloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/ialloc.c')
-rw-r--r--fs/ext4/ialloc.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 0ee59a6644e2..a87455df38bc 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -71,6 +71,7 @@ static unsigned ext4_init_inode_bitmap(struct super_block *sb,
struct ext4_group_desc *gdp)
{
struct ext4_group_info *grp;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
J_ASSERT_BH(bh, buffer_locked(bh));
/* If checksum is bad mark all blocks and inodes use to prevent
@@ -78,7 +79,16 @@ static unsigned ext4_init_inode_bitmap(struct super_block *sb,
if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
ext4_error(sb, "Checksum bad for group %u", block_group);
grp = ext4_get_group_info(sb, block_group);
+ if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+ percpu_counter_sub(&sbi->s_freeclusters_counter,
+ grp->bb_free);
set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
+ if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+ int count;
+ count = ext4_free_inodes_count(sb, gdp);
+ percpu_counter_sub(&sbi->s_freeinodes_counter,
+ count);
+ }
set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
return 0;
}
@@ -116,6 +126,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
struct buffer_head *bh = NULL;
ext4_fsblk_t bitmap_blk;
struct ext4_group_info *grp;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
desc = ext4_get_group_desc(sb, block_group, NULL);
if (!desc)
@@ -185,6 +196,12 @@ verify:
ext4_error(sb, "Corrupt inode bitmap - block_group = %u, "
"inode_bitmap = %llu", block_group, bitmap_blk);
grp = ext4_get_group_info(sb, block_group);
+ if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+ int count;
+ count = ext4_free_inodes_count(sb, desc);
+ percpu_counter_sub(&sbi->s_freeinodes_counter,
+ count);
+ }
set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
return NULL;
}
@@ -321,6 +338,12 @@ out:
fatal = err;
} else {
ext4_error(sb, "bit already cleared for inode %lu", ino);
+ if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+ int count;
+ count = ext4_free_inodes_count(sb, gdp);
+ percpu_counter_sub(&sbi->s_freeinodes_counter,
+ count);
+ }
set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
}