diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 77f4449..39bb869 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -293,7 +293,7 @@
 	return err;
 }
 
-static int btrfs_sync_fs(struct super_block *sb, int wait)
+int btrfs_sync_fs(struct super_block *sb, int wait)
 {
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root;