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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-06 07:00:58 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 02:18:06 +0100 |
| commit | 6bacf52fb58aeb3e89d9a62970b85a5570aa8ace (patch) | |
| tree | 422eb46c144b7ffbae193570a001de2eed490e09 /fs/f2fs/recovery.c | |
| parent | f2fs: add unlikely() macro for compiler optimization (diff) | |
| download | linux-6bacf52fb58aeb3e89d9a62970b85a5570aa8ace.tar.xz linux-6bacf52fb58aeb3e89d9a62970b85a5570aa8ace.zip | |
f2fs: add unlikely() macro for compiler more aggressively
This patch adds unlikely() macro into the most of codes.
The basic rule is to add that when:
- checking unusual errors,
- checking page mappings,
- and the other unlikely conditions.
Change log from v1:
- Don't add unlikely for the NULL test and error test: advised by Andi Kleen.
Cc: Chao Yu <chao2.yu@samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/recovery.c')
| -rw-r--r-- | fs/f2fs/recovery.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index d07546575879..a3f4542160cf 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -430,7 +430,7 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry", sizeof(struct fsync_inode_entry), NULL); - if (unlikely(!fsync_entry_slab)) + if (!fsync_entry_slab) return -ENOMEM; INIT_LIST_HEAD(&inode_list); |