From 0daaad97dcdc5cf91d368894a0954704e9a2cf2d Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Sun, 24 Nov 2013 13:50:35 +0900 Subject: [PATCH] f2fs: avoid lock debugging overhead If CONFIG_F2FS_CHECK_FS is unset, we don't need to add any debugging overhead. Signed-off-by: Jaegeuk Kim --- 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 72718ef0d56a..417280aa0549 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) -- 2.20.1