From: Keith Busch Date: Thu, 5 Sep 2019 14:09:33 +0000 (-0600) Subject: nvme: Restart request timers in resetting state X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=92b98e88d59ab17e65f261fbb5db272143ccf414;p=linux.git nvme: Restart request timers in resetting state A controller in the resetting state has not yet completed its recovery actions. The pci and fc transports were already handling this, so update the remaining transports to not attempt additional recovery in this state. Instead, just restart the request timer. Tested-by: Edmund Nadolski Reviewed-by: James Smart Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch --- diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 4d280160dd3fd..f19a28b4e997f 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1701,6 +1701,14 @@ nvme_rdma_timeout(struct request *rq, bool reserved) dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n", rq->tag, nvme_rdma_queue_idx(queue)); + /* + * Restart the timer if a controller reset is already scheduled. Any + * timed out commands would be handled before entering the connecting + * state. + */ + if (ctrl->ctrl.state == NVME_CTRL_RESETTING) + return BLK_EH_RESET_TIMER; + if (ctrl->ctrl.state != NVME_CTRL_LIVE) { /* * Teardown immediately if controller times out while starting diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 385a5212c10f1..33de2fddfbb2f 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2044,6 +2044,14 @@ nvme_tcp_timeout(struct request *rq, bool reserved) struct nvme_tcp_ctrl *ctrl = req->queue->ctrl; struct nvme_tcp_cmd_pdu *pdu = req->pdu; + /* + * Restart the timer if a controller reset is already scheduled. Any + * timed out commands would be handled before entering the connecting + * state. + */ + if (ctrl->ctrl.state == NVME_CTRL_RESETTING) + return BLK_EH_RESET_TIMER; + dev_warn(ctrl->ctrl.device, "queue %d: timeout request %#x type %d\n", nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type);