[RFC PATCH] btrfs: extract_ordered_extent() can be static

[kernel test robot <lkp@xxxxxxxxx>]

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 inode.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index df85d8dea37c9e..ee3f3ab1b964b6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2158,8 +2158,8 @@ static blk_status_t btrfs_submit_bio_start(void *private_data, struct bio *bio,
 	return btrfs_csum_one_bio(BTRFS_I(inode), bio, 0, 0);
 }
 
-int extract_ordered_extent(struct inode *inode, struct bio *bio,
-			   loff_t file_offset)
+static int extract_ordered_extent(struct inode *inode, struct bio *bio,
+				  loff_t file_offset)
 {
 	struct btrfs_ordered_extent *ordered;
 	struct extent_map *em = NULL, *em_new = NULL;