block: make bvec_try_merge_hw_page() non-static

This will be used for multi-page configuration for integrity payload. Cc: Christoph Hellwig <hch@lst.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com> Tested-by: "Martin K. Petersen" <martin.petersen@oracle.com> Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20230803024827epcms2p838d9e9131492c86a159fff25d195658f@epcms2p8 Signed-off-by: Jens Axboe <axboe@kernel.dk>
mariux64 · Aug 9, 2023 · 7c8998f · 7c8998f
1 parent d47f971
commit 7c8998f
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diff --git a/block/bio.c b/block/bio.c
@@ -934,7 +934,7 @@ static bool bvec_try_merge_page(struct bio_vec *bv, struct page *page,
  * size limit.  This is not for normal read/write bios, but for passthrough
  * or Zone Append operations that we can't split.
  */
-static bool bvec_try_merge_hw_page(struct request_queue *q, struct bio_vec *bv,
+bool bvec_try_merge_hw_page(struct request_queue *q, struct bio_vec *bv,
 		struct page *page, unsigned len, unsigned offset,
 		bool *same_page)
 {

diff --git a/block/blk.h b/block/blk.h
@@ -75,6 +75,10 @@ struct bio_vec *bvec_alloc(mempool_t *pool, unsigned short *nr_vecs,
 		gfp_t gfp_mask);
 void bvec_free(mempool_t *pool, struct bio_vec *bv, unsigned short nr_vecs);
 
+bool bvec_try_merge_hw_page(struct request_queue *q, struct bio_vec *bv,
+		struct page *page, unsigned len, unsigned offset,
+		bool *same_page);
+
 static inline bool biovec_phys_mergeable(struct request_queue *q,
 		struct bio_vec *vec1, struct bio_vec *vec2)
 {