diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b7f7922061be..130c12974e28 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -776,26 +776,26 @@ void ext4_mark_group_bitmap_corrupted(struct super_block *sb, struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_group_info *grp = ext4_get_group_info(sb, group); struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL); + int ret; - if ((flags & EXT4_GROUP_INFO_BBITMAP_CORRUPT) && - !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 (flags & EXT4_GROUP_INFO_BBITMAP_CORRUPT) { + ret = ext4_test_and_set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, + &grp->bb_state); + if (!ret) + percpu_counter_sub(&sbi->s_freeclusters_counter, + grp->bb_free); } - if ((flags & EXT4_GROUP_INFO_IBITMAP_CORRUPT) && - !EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) { - if (gdp) { + if (flags & EXT4_GROUP_INFO_IBITMAP_CORRUPT) { + ret = ext4_test_and_set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, + &grp->bb_state); + if (!ret && gdp) { 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); } }