[PATCHv5 2/9] blk-mq: set the nr_integrity_segments from bio

Keith Busch
2024-09-13T18:29:22Z

This value is used for merging considerations, so it needs to be
accurate.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
block/blk-mq.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index ef3a2ed499563..82219f0e9a256 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2544,6 +2544,9 @@ static void blk_mq_bio_to_request(struct request *rq, struct bio *bio,
rq->__sector = bio->bi_iter.bi_sector;
rq->write_hint = bio->bi_write_hint;
blk_rq_bio_prep(rq, bio, nr_segs);
+ if (bio_integrity(bio))
+ rq->nr_integrity_segments = blk_rq_count_integrity_sg(rq->q,
+ bio);

/* This can't fail, since GFP_NOIO includes __GFP_DIRECT_RECLAIM. */
err = blk_crypto_rq_bio_prep(rq, bio, GFP_NOIO);
--
2.43.5