From: Chao Leng <lengchao@huawei.com> To: <linux-nvme@lists.infradead.org> Cc: <kbusch@kernel.org>, <axboe@fb.com>, <hch@lst.de>, <sagi@grimberg.me>, <linux-block@vger.kernel.org>, <axboe@kernel.dk> Subject: [PATCH v4 2/5] nvme-core: introduce complete failed request Date: Tue, 26 Jan 2021 16:15:36 +0800 [thread overview] Message-ID: <20210126081539.13320-3-lengchao@huawei.com> (raw) In-Reply-To: <20210126081539.13320-1-lengchao@huawei.com> Work with nvme native multipath, if a path related error occurs when queue_rq call HBA drive to send request, queue_rq need complete the request with NVME_SC_HOST_PATH_ERROR, the request will fail over to retry if needed. So introduce nvme_complete_failed_req for queue_rq and nvmf_fail_nonready_command. Signed-off-by: Chao Leng <lengchao@huawei.com> --- drivers/nvme/host/core.c | 8 ++++++++ drivers/nvme/host/nvme.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 8caf9b34734d..9aad4111d9cd 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -356,6 +356,14 @@ void nvme_complete_rq(struct request *req) } EXPORT_SYMBOL_GPL(nvme_complete_rq); +void nvme_complete_failed_rq(struct request *req, u16 status) +{ + nvme_req(req)->status = status; + blk_mq_set_request_complete(req); + nvme_complete_rq(req); +} +EXPORT_SYMBOL_GPL(nvme_complete_failed_rq); + bool nvme_cancel_request(struct request *req, void *data, bool reserved) { dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 88a6b97247f5..f0f609644309 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -575,6 +575,7 @@ static inline bool nvme_is_aen_req(u16 qid, __u16 command_id) } void nvme_complete_rq(struct request *req); +void nvme_complete_failed_rq(struct request *req, u16 status); bool nvme_cancel_request(struct request *req, void *data, bool reserved); bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, enum nvme_ctrl_state new_state); -- 2.16.4
WARNING: multiple messages have this Message-ID (diff)
From: Chao Leng <lengchao@huawei.com> To: <linux-nvme@lists.infradead.org> Cc: axboe@kernel.dk, linux-block@vger.kernel.org, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org, hch@lst.de Subject: [PATCH v4 2/5] nvme-core: introduce complete failed request Date: Tue, 26 Jan 2021 16:15:36 +0800 [thread overview] Message-ID: <20210126081539.13320-3-lengchao@huawei.com> (raw) In-Reply-To: <20210126081539.13320-1-lengchao@huawei.com> Work with nvme native multipath, if a path related error occurs when queue_rq call HBA drive to send request, queue_rq need complete the request with NVME_SC_HOST_PATH_ERROR, the request will fail over to retry if needed. So introduce nvme_complete_failed_req for queue_rq and nvmf_fail_nonready_command. Signed-off-by: Chao Leng <lengchao@huawei.com> --- drivers/nvme/host/core.c | 8 ++++++++ drivers/nvme/host/nvme.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 8caf9b34734d..9aad4111d9cd 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -356,6 +356,14 @@ void nvme_complete_rq(struct request *req) } EXPORT_SYMBOL_GPL(nvme_complete_rq); +void nvme_complete_failed_rq(struct request *req, u16 status) +{ + nvme_req(req)->status = status; + blk_mq_set_request_complete(req); + nvme_complete_rq(req); +} +EXPORT_SYMBOL_GPL(nvme_complete_failed_rq); + bool nvme_cancel_request(struct request *req, void *data, bool reserved) { dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 88a6b97247f5..f0f609644309 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -575,6 +575,7 @@ static inline bool nvme_is_aen_req(u16 qid, __u16 command_id) } void nvme_complete_rq(struct request *req); +void nvme_complete_failed_rq(struct request *req, u16 status); bool nvme_cancel_request(struct request *req, void *data, bool reserved); bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, enum nvme_ctrl_state new_state); -- 2.16.4 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2021-01-26 18:53 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-26 8:15 [PATCH v4 0/5] avoid double request completion and IO error Chao Leng 2021-01-26 8:15 ` Chao Leng 2021-01-26 8:15 ` [PATCH v4 1/5] blk-mq: introduce blk_mq_set_request_complete Chao Leng 2021-01-26 8:15 ` Chao Leng 2021-01-27 16:40 ` Christoph Hellwig 2021-01-27 16:40 ` Christoph Hellwig 2021-01-28 1:34 ` Chao Leng 2021-01-28 1:34 ` Chao Leng 2021-01-26 8:15 ` Chao Leng [this message] 2021-01-26 8:15 ` [PATCH v4 2/5] nvme-core: introduce complete failed request Chao Leng 2021-01-26 8:15 ` [PATCH v4 3/5] nvme-fabrics: avoid double request completion for nvmf_fail_nonready_command Chao Leng 2021-01-26 8:15 ` Chao Leng 2021-01-26 8:15 ` [PATCH v4 4/5] nvme-rdma: avoid IO error for nvme native multipath Chao Leng 2021-01-26 8:15 ` Chao Leng 2021-01-28 8:39 ` Sagi Grimberg 2021-01-28 8:39 ` Sagi Grimberg 2021-01-28 9:31 ` Chao Leng 2021-01-28 9:31 ` Chao Leng 2021-01-29 1:35 ` Sagi Grimberg 2021-01-29 1:35 ` Sagi Grimberg 2021-01-29 2:48 ` Chao Leng 2021-01-29 2:48 ` Chao Leng 2021-01-29 3:24 ` Sagi Grimberg 2021-01-29 3:24 ` Sagi Grimberg 2021-01-29 3:30 ` Chao Leng 2021-01-29 3:30 ` Chao Leng 2021-01-29 3:37 ` Sagi Grimberg 2021-01-29 3:37 ` Sagi Grimberg 2021-01-29 3:50 ` Chao Leng 2021-01-29 3:50 ` Chao Leng 2021-01-29 3:37 ` Chao Leng 2021-01-29 3:37 ` Chao Leng 2021-01-26 8:15 ` [PATCH v4 5/5] nvme-fc: " Chao Leng 2021-01-26 8:15 ` Chao Leng
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