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Subject: [PATCH v2 10/14] block: blk-integrity: change how to find the
 number of integrity of bio
Reply-To: j-young.choi@samsung.com
Sender: Jinyoung CHOI <j-young.choi@samsung.com>
From:   Jinyoung CHOI <j-young.choi@samsung.com>
To:     Jinyoung CHOI <j-young.choi@samsung.com>,
        "axboe@kernel.dk" <axboe@kernel.dk>,
        "kbusch@kernel.org" <kbusch@kernel.org>, "hch@lst.de" <hch@lst.de>,
        "sagi@grimberg.me" <sagi@grimberg.me>,
        "jejb@linux.ibm.com" <jejb@linux.ibm.com>,
        "martin.petersen@oracle.com" <martin.petersen@oracle.com>,
        "johannes.thumshirn@wdc.com" <johannes.thumshirn@wdc.com>,
        "kch@nvidia.com" <kch@nvidia.com>,
        "willy@infradead.org" <willy@infradead.org>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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Date:   Wed, 10 May 2023 17:58:20 +0900
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Precedence: bulk

The method of constructing a bip has been changed, the number of
segments can be obtained through bip_vcnt.

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/blk-integrity.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index f97b7e8a6d4d..64407b412947 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -217,7 +217,6 @@ bool blk_integrity_merge_bio(struct request_queue *q, struct request *req,
 			     struct bio *bio)
 {
 	int nr_integrity_segs;
-	struct bio *next = bio->bi_next;
 
 	if (blk_integrity_bypass_check(req, bio))
 		return true;
@@ -225,9 +224,7 @@ bool blk_integrity_merge_bio(struct request_queue *q, struct request *req,
 	if (!__blk_integrity_mergeable(q, req, bio))
 		return false;
 
-	bio->bi_next = NULL;
-	nr_integrity_segs = blk_rq_count_integrity_sg(q, bio);
-	bio->bi_next = next;
+	nr_integrity_segs = bio_integrity(bio)->bip_vcnt;
 
 	if (req->nr_integrity_segments + nr_integrity_segs >
 	    q->limits.max_integrity_segments)
-- 
2.34.1