[PATCH 05/15] block: fix not to apply bip information in blk_rq_bio_prep()

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When a request is initialized through the bio, bio's integrity
information is not reflected in the request.

Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

Signed-off-by: Jinyoung Choi <j-young.choi@xxxxxxxxxxx>
---
 include/linux/blk-mq.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 1dacb2c81fdd..cdb95e090919 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -961,6 +961,11 @@ static inline void blk_rq_bio_prep(struct request *rq, struct bio *bio,
 	rq->__data_len = bio->bi_iter.bi_size;
 	rq->bio = rq->biotail = bio;
 	rq->ioprio = bio_prio(bio);
+
+	if (bio_integrity(bio)) {
+		rq->nr_integrity_segments = bio_integrity(bio)->bip_vcnt;
+		rq->cmd_flags |= REQ_INTEGRITY;
+	}
 }
 
 void blk_mq_hctx_set_fq_lock_class(struct blk_mq_hw_ctx *hctx,
-- 
2.34.1



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