[RFC PATCH linux-next] btrfs: btrfs_run_delayed_refs_for_head() can be static

[kbuild test robot]

Fixes: ac75a14eb672 ("btrfs: Factor out loop processing all refs of a head")
Signed-off-by: kbuild test robot <fengguang...@intel.com>
---
 extent-tree.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b0882b6..719f1bb 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2537,9 +2537,9 @@ struct btrfs_delayed_ref_head *btrfs_obtain_ref_head(
 }
 
 STATIC
-int btrfs_run_delayed_refs_for_head(struct btrfs_trans_handle *trans,
-                                   struct btrfs_delayed_ref_head *locked_ref,
-                                   unsigned long *run_refs)
+static int btrfs_run_delayed_refs_for_head(struct btrfs_trans_handle *trans,
+                                          struct btrfs_delayed_ref_head 
*locked_ref,
+                                          unsigned long *run_refs)
 {
        struct btrfs_fs_info *fs_info = trans->fs_info;
        struct btrfs_delayed_ref_root *delayed_refs;