From: Keith Busch <kbusch@kernel.org> To: linux-nvme@lists.infradead.org, sagi@grimberg.me, hch@lst.de, axboe@kernel.dk, linux-block@vger.kernel.org Cc: Keith Busch <kbusch@kernel.org>, Yuanyuan Zhong <yzhong@purestorage.com> Subject: [PATCH 2/2] nvme: use return value from blk_execute_rq() Date: Fri, 16 Apr 2021 09:53:53 -0700 [thread overview] Message-ID: <20210416165353.3088547-2-kbusch@kernel.org> (raw) In-Reply-To: <20210416165353.3088547-1-kbusch@kernel.org> We don't have an nvme status to report if the driver's .queue_rq() returns an error without dispatching the requested nvme command. Use the return value from blk_execute_rq() so the caller may know their command was not successful. Reported-by: Yuanyuan Zhong <yzhong@purestorage.com> Signed-off-by: Keith Busch <kbusch@kernel.org> --- drivers/nvme/host/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 85538c38aae9..b57157106cac 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1000,12 +1000,12 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, if (poll) nvme_execute_rq_polled(req->q, NULL, req, at_head); else - blk_execute_rq(NULL, req, at_head); + ret = blk_execute_rq(NULL, req, at_head); if (result) *result = nvme_req(req)->result; if (nvme_req(req)->flags & NVME_REQ_CANCELLED) ret = -EINTR; - else + else if (nvme_req(req)->status) ret = nvme_req(req)->status; out: blk_mq_free_request(req); -- 2.25.4
WARNING: multiple messages have this Message-ID (diff)
From: Keith Busch <kbusch@kernel.org> To: linux-nvme@lists.infradead.org, sagi@grimberg.me, hch@lst.de, axboe@kernel.dk, linux-block@vger.kernel.org Cc: Keith Busch <kbusch@kernel.org>, Yuanyuan Zhong <yzhong@purestorage.com> Subject: [PATCH 2/2] nvme: use return value from blk_execute_rq() Date: Fri, 16 Apr 2021 09:53:53 -0700 [thread overview] Message-ID: <20210416165353.3088547-2-kbusch@kernel.org> (raw) In-Reply-To: <20210416165353.3088547-1-kbusch@kernel.org> We don't have an nvme status to report if the driver's .queue_rq() returns an error without dispatching the requested nvme command. Use the return value from blk_execute_rq() so the caller may know their command was not successful. Reported-by: Yuanyuan Zhong <yzhong@purestorage.com> Signed-off-by: Keith Busch <kbusch@kernel.org> --- drivers/nvme/host/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 85538c38aae9..b57157106cac 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1000,12 +1000,12 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, if (poll) nvme_execute_rq_polled(req->q, NULL, req, at_head); else - blk_execute_rq(NULL, req, at_head); + ret = blk_execute_rq(NULL, req, at_head); if (result) *result = nvme_req(req)->result; if (nvme_req(req)->flags & NVME_REQ_CANCELLED) ret = -EINTR; - else + else if (nvme_req(req)->status) ret = nvme_req(req)->status; out: blk_mq_free_request(req); -- 2.25.4 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2021-04-16 16:54 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 16:53 [PATCH 1/2] block: return errors from blk_execute_rq() Keith Busch 2021-04-16 16:53 ` Keith Busch 2021-04-16 16:53 ` Keith Busch [this message] 2021-04-16 16:53 ` [PATCH 2/2] nvme: use return value " Keith Busch 2021-04-16 17:12 ` Yuanyuan Zhong 2021-04-16 17:12 ` Yuanyuan Zhong 2021-04-16 17:17 ` Keith Busch 2021-04-16 17:17 ` Keith Busch 2021-04-19 7:16 ` Christoph Hellwig 2021-04-19 7:16 ` Christoph Hellwig 2021-04-19 15:14 ` Keith Busch 2021-04-19 15:14 ` Keith Busch 2021-04-19 17:27 ` Yuanyuan Zhong 2021-04-19 17:27 ` Yuanyuan Zhong 2021-04-19 17:48 ` Keith Busch 2021-04-19 17:48 ` Keith Busch 2021-04-19 18:20 ` Yuanyuan Zhong 2021-04-19 18:20 ` Yuanyuan Zhong 2021-04-18 4:17 ` Chaitanya Kulkarni 2021-04-18 4:17 ` Chaitanya Kulkarni 2021-04-18 4:13 ` [PATCH 1/2] block: return errors " Chaitanya Kulkarni 2021-04-18 4:13 ` Chaitanya Kulkarni 2021-04-17 2:04 [PATCH 2/2] nvme: use return value " Casey Chen 2021-04-17 2:39 ` Keith Busch 2021-04-17 2:39 ` Keith Busch 2021-04-23 21:57 [PATCH 1/2] block: return errors " Keith Busch 2021-04-23 21:58 ` [PATCH 2/2] nvme: use return value " Keith Busch 2021-04-23 21:58 ` Keith Busch
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