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| author | brookxu <brookxu.cn@gmail.com> | 2020-08-17 10:36:06 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-08-19 19:04:36 +0300 |
| commit | 66d5e0277e225cdc5d272fc22b1aa90a9b0d21ac (patch) | |
| tree | 4f6e3a8dc2e86a7ac262b05907ac2bb521709222 /fs | |
| parent | c55ee7d202857b000531c2acfe8ce7cba5b77b5c (diff) | |
| download | linux-66d5e0277e225cdc5d272fc22b1aa90a9b0d21ac.tar.xz | |
ext4: reorganize if statement of ext4_mb_release_context()
Reorganize the if statement of ext4_mb_release_context(), make it
easier to read.
Signed-off-by: Chunguang Xu <brookxu@tencent.com>
Link: https://lore.kernel.org/r/5439ac6f-db79-ad68-76c1-a4dda9aa0cc3@gmail.com
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/mballoc.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 0993044cfe46..45ac6088b4ac 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2309,7 +2309,7 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac) struct ext4_sb_info *sbi; struct super_block *sb; struct ext4_buddy e4b; - unsigned int lost; + int lost; sb = ac->ac_sb; sbi = EXT4_SB(sb); @@ -2464,8 +2464,8 @@ repeat: * The only thing we can do is just take first * found block(s) */ - lost = (unsigned int)atomic_inc_return(&sbi->s_mb_lost_chunks); - mb_debug(sb, "lost chunk, group: %u, start: %d, len: %d, lost: %u\n", + lost = atomic_inc_return(&sbi->s_mb_lost_chunks); + mb_debug(sb, "lost chunk, group: %u, start: %d, len: %d, lost: %d\n", ac->ac_b_ex.fe_group, ac->ac_b_ex.fe_start, ac->ac_b_ex.fe_len, lost); @@ -4706,20 +4706,19 @@ static int ext4_mb_release_context(struct ext4_allocation_context *ac) pa->pa_free -= ac->ac_b_ex.fe_len; pa->pa_len -= ac->ac_b_ex.fe_len; spin_unlock(&pa->pa_lock); - } - } - if (pa) { - /* - * We want to add the pa to the right bucket. - * Remove it from the list and while adding - * make sure the list to which we are adding - * doesn't grow big. - */ - if ((pa->pa_type == MB_GROUP_PA) && likely(pa->pa_free)) { - spin_lock(pa->pa_obj_lock); - list_del_rcu(&pa->pa_inode_list); - spin_unlock(pa->pa_obj_lock); - ext4_mb_add_n_trim(ac); + + /* + * We want to add the pa to the right bucket. + * Remove it from the list and while adding + * make sure the list to which we are adding + * doesn't grow big. + */ + if (likely(pa->pa_free)) { + spin_lock(pa->pa_obj_lock); + list_del_rcu(&pa->pa_inode_list); + spin_unlock(pa->pa_obj_lock); + ext4_mb_add_n_trim(ac); + } } ext4_mb_put_pa(ac, ac->ac_sb, pa); } |