From: hare@suse.de (Hannes Reinecke)
Subject: [PATCHv2] nvme: Return BLK_STS_TARGET if the DNR bit is set
Date: Wed, 7 Aug 2019 09:12:08 +0200 [thread overview]
Message-ID: <20190807071208.101882-1-hare@suse.de> (raw)
If the DNR bit is set we should not retry the command, even if
the standard status evaluation indicates so.
Signed-off-by: Hannes Reinecke <hare at suse.com>
---
drivers/nvme/host/core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index cc09b81fc7f4..2c6c9460adea 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -274,6 +274,10 @@ void nvme_complete_rq(struct request *req)
return;
}
+ if (nvme_req(req)->status & NVME_SC_DNR) {
+ blk_mq_end_request(req, BLK_STS_TARGET);
+ return;
+ }
if (!blk_queue_dying(req->q)) {
nvme_retry_req(req);
return;
--
2.16.4
next reply other threads:[~2019-08-07 7:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 7:12 Hannes Reinecke [this message]
2019-08-07 14:47 ` [PATCHv2] nvme: Return BLK_STS_TARGET if the DNR bit is set Keith Busch
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