diff options
| -rw-r--r-- | fs/ext4/balloc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index a4950e91f61c..59c3ba8bb8ea 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -307,6 +307,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, ext4_group_t block_group, struct buffer_head *bh) { + struct ext4_sb_info *sbi = EXT4_SB(sb); ext4_grpblk_t offset; ext4_grpblk_t next_zero_bit; ext4_fsblk_t blk; @@ -326,14 +327,14 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, /* check whether block bitmap block number is set */ blk = ext4_block_bitmap(sb, desc); offset = blk - group_first_block; - if (!ext4_test_bit(offset, bh->b_data)) + if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data)) /* bad block bitmap */ return blk; /* check whether the inode bitmap block number is set */ blk = ext4_inode_bitmap(sb, desc); offset = blk - group_first_block; - if (!ext4_test_bit(offset, bh->b_data)) + if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data)) /* bad block bitmap */ return blk; @@ -341,9 +342,10 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, blk = ext4_inode_table(sb, desc); offset = blk - group_first_block; next_zero_bit = ext4_find_next_zero_bit(bh->b_data, - offset + EXT4_SB(sb)->s_itb_per_group, - offset); - if (next_zero_bit < offset + EXT4_SB(sb)->s_itb_per_group) + EXT4_B2C(sbi, offset + EXT4_SB(sb)->s_itb_per_group), + EXT4_B2C(sbi, offset)); + if (next_zero_bit < + EXT4_B2C(sbi, offset + EXT4_SB(sb)->s_itb_per_group)) /* bad bitmap for inode tables */ return blk; return 0; |