Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH] f2fs: avoid lock debugging overhead | Date | Sun, 24 Nov 2013 13:55:17 +0900 |
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If CONFIG_F2FS_CHECK_FS is unset, we don't need to add any debugging overhead.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> --- fs/f2fs/f2fs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 72718ef..417280a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -22,8 +22,10 @@ #ifdef CONFIG_F2FS_CHECK_FS #define f2fs_bug_on(condition) BUG_ON(condition) +#define f2fs_down_write(x, y) down_write_nest_lock(x, y) #else #define f2fs_bug_on(condition) +#define f2fs_down_write(x, y) down_write(x) #endif /* @@ -556,7 +558,7 @@ static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) { - down_write_nest_lock(&sbi->cp_rwsem, &sbi->cp_mutex); + f2fs_down_write(&sbi->cp_rwsem, &sbi->cp_mutex); } static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) -- 1.8.4.474.g128a96c
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