diff options
| author | Lukas Czerner <lczerner@redhat.com> | 2013-03-02 17:18:58 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-05 10:04:36 -0700 |
| commit | 46c14b9d861886d7abb66088ffeafa9301a34397 (patch) | |
| tree | 69e2b64b43849c8a936cdf807cd350ee7365b372 | |
| parent | 4025b05599996ca2866ceec0606c77d2ce2b4830 (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>
Signed-off-by: CAI Qian <caiqian@redhat.com>
Signed-off-by: Lingzhu Xiang <lxiang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/ext4/balloc.c | 2 | ||||
| -rw-r--r-- | fs/ext4/mballoc.c | 8 | ||||
| -rw-r--r-- | fs/ext4/resize.c | 6 |
3 files changed, 8 insertions, 8 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 3e1018ace702..d33733eaa1b0 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -600,7 +600,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb) brelse(bitmap_bh); printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu" ", computed = %llu, %llu\n", - EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)), + EXT4_NUM_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)), desc_count, bitmap_count); return bitmap_count; #else diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 3122ece15147..7ee69fe5c945 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3433,7 +3433,7 @@ 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); } @@ -4577,7 +4577,7 @@ 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; @@ -4808,11 +4808,11 @@ 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); } diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 231cacb8f640..b407c78d1c2e 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1112,7 +1112,7 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb, ext4_inode_bitmap_set(sb, gdp, group_data->inode_bitmap); ext4_inode_table_set(sb, gdp, group_data->inode_table); ext4_free_group_clusters_set(sb, gdp, - EXT4_B2C(sbi, group_data->free_blocks_count)); + EXT4_NUM_B2C(sbi, group_data->free_blocks_count)); ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb)); gdp->bg_flags = cpu_to_le16(*bg_flags); gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp); @@ -1210,7 +1210,7 @@ static void ext4_update_super(struct super_block *sb, /* Update the free space counts */ percpu_counter_add(&sbi->s_freeclusters_counter, - EXT4_B2C(sbi, free_blocks)); + EXT4_NUM_B2C(sbi, free_blocks)); percpu_counter_add(&sbi->s_freeinodes_counter, EXT4_INODES_PER_GROUP(sb) * flex_gd->count); @@ -1219,7 +1219,7 @@ static void ext4_update_super(struct super_block *sb, sbi->s_log_groups_per_flex) { ext4_group_t flex_group; flex_group = ext4_flex_group(sbi, group_data[0].group); - atomic_add(EXT4_B2C(sbi, free_blocks), + atomic_add(EXT4_NUM_B2C(sbi, free_blocks), &sbi->s_flex_groups[flex_group].free_clusters); atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count, &sbi->s_flex_groups[flex_group].free_inodes); |