[PATCH] f2fs: declare static function for __build_free_nids

[Jaegeuk Kim]

This patch avoids build warning.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
 fs/f2fs/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index fc8f274..69c42e2 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1808,7 +1808,7 @@ static void scan_nat_page(struct f2fs_sb_info *sbi,
 	}
 }
 
-void __build_free_nids(struct f2fs_sb_info *sbi, bool sync)
+static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
-- 
2.8.3