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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-11-24 13:50:35 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-12-23 10:18:03 +0900
commit0daaad97dcdc5cf91d368894a0954704e9a2cf2d (patch)
tree1bfb1bde5826f37af375fea39f6cbc4ed1c70c88
parent74de593af77b109f202c47e090c9e134c8882869 (diff)
downloadop-kernel-dev-0daaad97dcdc5cf91d368894a0954704e9a2cf2d.zip
op-kernel-dev-0daaad97dcdc5cf91d368894a0954704e9a2cf2d.tar.gz
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 <jaegeuk.kim@samsung.com>
-rw-r--r--fs/f2fs/f2fs.h4
1 files changed, 3 insertions, 1 deletions
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)
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