From: Max Gurtovoy maxg@mellanox.com
[ Upstream commit 2dc3947b53f573e8a75ea9cbec5588df88ca502e ]
Fix the status code of canceled requests initiated by the host according to TP4028 (Status Code 0x371): "Command Aborted By host: The command was aborted as a result of host action (e.g., the host disconnected the Fabric connection)."
Also in a multipath environment, unless otherwise specified, errors of this type (path related) should be retried using a different path, if one is available.
Signed-off-by: Max Gurtovoy maxg@mellanox.com Reviewed-by: Christoph Hellwig hch@lst.de Signed-off-by: Keith Busch kbusch@kernel.org Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nvme/host/core.c | 2 +- drivers/nvme/host/multipath.c | 1 + include/linux/nvme.h | 1 + 3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index af3212aec871..b4e1e4379f1f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -313,7 +313,7 @@ bool nvme_cancel_request(struct request *req, void *data, bool reserved) if (blk_mq_request_completed(req)) return true;
- nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR; + nvme_req(req)->status = NVME_SC_HOST_ABORTED_CMD; blk_mq_complete_request(req); return true; } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index e0f064dcbd02..132ade51ee87 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -95,6 +95,7 @@ void nvme_failover_req(struct request *req) } break; case NVME_SC_HOST_PATH_ERROR: + case NVME_SC_HOST_ABORTED_CMD: /* * Temporary transport disruption in talking to the controller. * Try to send on a new path. diff --git a/include/linux/nvme.h b/include/linux/nvme.h index f61d6906e59d..a260cd754f28 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -1368,6 +1368,7 @@ enum { NVME_SC_ANA_INACCESSIBLE = 0x302, NVME_SC_ANA_TRANSITION = 0x303, NVME_SC_HOST_PATH_ERROR = 0x370, + NVME_SC_HOST_ABORTED_CMD = 0x371,
NVME_SC_CRD = 0x1800, NVME_SC_DNR = 0x4000,