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authorLukas Czerner <lczerner@redhat.com>2013-03-02 17:18:58 -0500
committerTheodore Ts'o <tytso@mit.edu>2013-03-02 17:18:58 -0500
commit810da240f221d64bf90020f25941b05b378186fe (patch)
tree9fb624e43c624bf8e38077804ca2f95026c11b53 /fs/ext4/mballoc.c
parent3e36a16375eee390a9d80f99499fe630efa08128 (diff)
downloadlinux-810da240f221d64bf90020f25941b05b378186fe.tar.bz2
ext4: convert number of blocks to clusters properly
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> Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 6540ebe058e3..7bb713a46fe4 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3419,7 +3419,7 @@ 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);
}
@@ -4565,7 +4565,7 @@ 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;
@@ -4807,11 +4807,11 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
ext4_group_desc_csum_set(sb, 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);
}