summaryrefslogtreecommitdiffstats
path: root/fs/f2fs/f2fs.h
diff options
context:
space:
mode:
authorJaegeuk Kim2013-11-24 05:50:35 +0100
committerJaegeuk Kim2013-12-23 02:18:03 +0100
commit0daaad97dcdc5cf91d368894a0954704e9a2cf2d (patch)
tree1bfb1bde5826f37af375fea39f6cbc4ed1c70c88 /fs/f2fs/f2fs.h
parentf2fs: read contiguous sit entry pages by merging for mount performance (diff)
downloadkernel-qcow2-linux-0daaad97dcdc5cf91d368894a0954704e9a2cf2d.tar.gz
kernel-qcow2-linux-0daaad97dcdc5cf91d368894a0954704e9a2cf2d.tar.xz
kernel-qcow2-linux-0daaad97dcdc5cf91d368894a0954704e9a2cf2d.zip
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>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-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 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)