If CONFIG_F2FS_CHECK_FS is unset, we don't need to add any debugging overhead.

Signed-off-by: Jaegeuk Kim <[email protected]>
---
 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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