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* [PATCH] nvme: Simplify the nvme_req_qid()
@ 2020-10-27  8:15 ` Baolin Wang
  0 siblings, 0 replies; 8+ messages in thread
From: Baolin Wang @ 2020-10-27  8:15 UTC (permalink / raw)
  To: kbusch, axboe, hch, sagi
  Cc: baolin.wang7, linux-nvme, baolin.wang, linux-kernel

Use the request's '->mq_hctx->queue_num' directly to simplify the
nvme_req_qid() function.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
 drivers/nvme/host/nvme.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index cc11113..0b62b62 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -178,7 +178,8 @@ static inline u16 nvme_req_qid(struct request *req)
 {
 	if (!req->q->queuedata)
 		return 0;
-	return blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(req)) + 1;
+
+	return req->mq_hctx->queue_num + 1;
 }
 
 /* The below value is the specific amount of delay needed before checking
-- 
1.8.3.1


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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2020-11-06 13:56 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-10-27  8:15 [PATCH] nvme: Simplify the nvme_req_qid() Baolin Wang
2020-10-27  8:15 ` Baolin Wang
2020-11-02 11:44 ` Baolin Wang
2020-11-02 11:44   ` Baolin Wang
2020-11-02 18:02   ` Christoph Hellwig
2020-11-02 18:02     ` Christoph Hellwig
2020-11-06 13:56 ` Christoph Hellwig
2020-11-06 13:56   ` Christoph Hellwig

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