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Subject: [PATCH 1/2] block: make bvec_try_merge_hw_page() non-static
Reply-To: j-young.choi@samsung.com
Sender: Jinyoung Choi <j-young.choi@samsung.com>
From:   Jinyoung Choi <j-young.choi@samsung.com>
To:     "hch@lst.de" <hch@lst.de>,
        "martin.petersen@oracle.com" <martin.petersen@oracle.com>,
        "axboe@kernel.dk" <axboe@kernel.dk>,
        "sagi@grimberg.me" <sagi@grimberg.me>,
        "kbusch@kernel.org" <kbusch@kernel.org>,
        "chaitanya.kulkarni@wdc.com" <chaitanya.kulkarni@wdc.com>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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Message-ID: <20230728075704epcms2p1fec48202cbda466411c44437cf788dea@epcms2p1>
Date:   Fri, 28 Jul 2023 16:57:04 +0900
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Precedence: bulk

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>

Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com>
---
 block/bio.c | 2 +-
 block/blk.h | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/block/bio.c b/block/bio.c
index c92dda962449..8d1533af7c60 100644
--- 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
index 686712e13835..9d22ec3a53bc 100644
--- 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)
 {
-- 
2.34.1