fs: Mark function as static in fs/bio-integrity.c

Mark functions as static in bio-integrity.c because it is not used
outside this file.

This eliminates the following warnings in bio-integrity.c:
fs/bio-integrity.c:224:5: warning: no previous prototype for ‘bio_integrity_tag’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index bcb4a4d533a2..0129b78a6908 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -234,7 +234,8 @@ unsigned int bio_integrity_tag_size(struct bio *bio)
 }
 EXPORT_SYMBOL(bio_integrity_tag_size);
 
-int bio_integrity_tag(struct bio *bio, void *tag_buf, unsigned int len, int set)
+static int bio_integrity_tag(struct bio *bio, void *tag_buf, unsigned int len,
+                             int set)
 {
         struct bio_integrity_payload *bip = bio->bi_integrity;
         struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);