block: remove the __bio_add_pc_page export

The same page optimization is a rather odd corner case, which is not
used outside bio.c and which really should not be used outside of bio.c
either - we have better highlevel helpers like the rq/bio mapping
helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 2 deletions

diff --git a/block/bio.c b/block/bio.c
index 9ad0d00cdc9b..e717b303e1fb 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -709,7 +709,7 @@ static bool can_add_page_to_seg(struct request_queue *q,
  *
  *      This should only be used by passthrough bios.
  */
-int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
+static int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
                 struct page *page, unsigned int len, unsigned int offset,
                 bool put_same_page)
 {
@@ -776,7 +776,6 @@ int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
         bio_set_flag(bio, BIO_SEG_VALID);
         return len;
 }
-EXPORT_SYMBOL(__bio_add_pc_page);
 
 int bio_add_pc_page(struct request_queue *q, struct bio *bio,
                 struct page *page, unsigned int len, unsigned int offset)