diff options
| author | Lukas Czerner <lczerner@redhat.com> | 2013-03-02 17:18:58 -0500 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-03-27 02:41:12 +0000 |
| commit | cee9973efb1add4802cb96c1d2a359501868b73b (patch) | |
| tree | 63efda588672bdb21f1244cf954a33084b6ff396 /fs/ext4/mballoc.c | |
| parent | e54ff8adf866ae54bff7d6292321c1f3eb886713 (diff) | |
ext4: convert number of blocks to clusters properly
commit 810da240f221d64bf90020f25941b05b378186fe upstream.
We're using macro EXT4_B2C() to convert number of blocks to number of
clusters for bigalloc file systems. However, we should be using
EXT4_NUM_B2C().
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
[bwh: Backported to 3.2:
- Adjust context
- Drop changes in ext4_setup_new_descs() and ext4_calculate_overhead()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 553ff71bb151..59a36075175a 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3485,7 +3485,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) win = offs; ac->ac_b_ex.fe_logical = ac->ac_o_ex.fe_logical - - EXT4_B2C(sbi, win); + EXT4_NUM_B2C(sbi, win); BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical); BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len); } @@ -4634,7 +4634,7 @@ do_more: EXT4_BLOCKS_PER_GROUP(sb); count -= overflow; } - count_clusters = EXT4_B2C(sbi, count); + count_clusters = EXT4_NUM_B2C(sbi, count); bitmap_bh = ext4_read_block_bitmap(sb, block_group); if (!bitmap_bh) { err = -EIO; @@ -4865,11 +4865,11 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, desc->bg_checksum = ext4_group_desc_csum(sbi, block_group, desc); ext4_unlock_group(sb, block_group); percpu_counter_add(&sbi->s_freeclusters_counter, - EXT4_B2C(sbi, blocks_freed)); + EXT4_NUM_B2C(sbi, blocks_freed)); if (sbi->s_log_groups_per_flex) { ext4_group_t flex_group = ext4_flex_group(sbi, block_group); - atomic_add(EXT4_B2C(sbi, blocks_freed), + atomic_add(EXT4_NUM_B2C(sbi, blocks_freed), &sbi->s_flex_groups[flex_group].free_clusters); } |