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ext4: add new ext4_mark_group_bitmap_corrupted() helper

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Since there are many places to set inode/block bitmap
corrupt bit, add a new helper for it, which will make
codes more clear.

Signed-off-by: Wang Shilong <wshilong@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
This commit is contained in:
Wang Shilong
2018-05-12 11:39:40 -04:00
committed by Theodore Ts'o
parent 0db9fdeb34
commit db79e6d1fb
5 changed files with 52 additions and 48 deletions
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20
fs/ext4/ialloc.c
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@@ -83,7 +83,6 @@ static int ext4_validate_inode_bitmap(struct super_block *sb,
{
ext4_fsblk_t blk;
struct ext4_group_info *grp = ext4_get_group_info(sb, block_group);
struct ext4_sb_info *sbi = EXT4_SB(sb);
if (buffer_verified(bh))
return 0;
@@ -97,14 +96,8 @@ static int ext4_validate_inode_bitmap(struct super_block *sb,
ext4_unlock_group(sb, block_group);
ext4_error(sb, "Corrupt inode bitmap - block_group = %u, "
"inode_bitmap = %llu", block_group, 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);
ext4_mark_group_bitmap_corrupted(sb, block_group,
EXT4_GROUP_INFO_IBITMAP_CORRUPT);
return -EFSBADCRC;
}
set_buffer_verified(bh);
@@ -337,13 +330,8 @@ out:
fatal = err;
} else {
ext4_error(sb, "bit already cleared for inode %lu", ino);
if (gdp && !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);
ext4_mark_group_bitmap_corrupted(sb, block_group,
EXT4_GROUP_INFO_IBITMAP_CORRUPT);
}
error_return: