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nvme-tcp: add additional info for nvme_tcp_timeout log

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This provides additional details about the rq/cmd that is timed out

example log if CONFIG_NVME_VERBOSE_ERRORS is configured:
"nvme nvme0: queue 2 timeout cid 0xd058 type 4 opc Write (0x1)"

example log if CONFIG_NVME_VERBOSE_ERRORS is not configured:
"nvme nvme0: queue 2 timeout cid 0xd058 type 4 opc I/O Cmd (0x1)"

Signed-off-by: Amit Engel <Amit.Engel@dell.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Amit Engel 2022-12-12 21:40:36 +02:00 committed by Christoph Hellwig
parent 567da14d46
commit 99607843e7
1 changed files with 5 additions and 2 deletions
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7
drivers/nvme/host/tcp.c
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@ -2282,10 +2282,13 @@ static enum blk_eh_timer_return nvme_tcp_timeout(struct request *rq)
struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl;
struct nvme_tcp_cmd_pdu *pdu = req->pdu;
u8 opc = pdu->cmd.common.opcode, fctype = pdu->cmd.fabrics.fctype;
int qid = nvme_tcp_queue_id(req->queue);
dev_warn(ctrl->device,
"queue %d: timeout request %#x type %d\n",
nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type);
"queue %d: timeout cid %#x type %d opcode %#x (%s)\n",
nvme_tcp_queue_id(req->queue), nvme_cid(rq), pdu->hdr.type,
opc, nvme_opcode_str(qid, opc, fctype));
if (ctrl->state != NVME_CTRL_LIVE) {
/*