nvme-rdma: enhance timeout kernel log

Print the command_id along side blk-mq's tag to help match commands with
protocol wire traces and logs.

Signed-off-by: Max Gurtovoy <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Keith Busch <[email protected]>

Author: mgurtovoy

drivers/nvme/host/rdma.c

@@ -1941,9 +1941,14 @@ static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq)
 	struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
 	struct nvme_rdma_queue *queue = req->queue;
 	struct nvme_rdma_ctrl *ctrl = queue->ctrl;
-
-	dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n",
-		 rq->tag, nvme_rdma_queue_idx(queue));
+	u8 opcode = req->req.cmd->common.opcode;
+	u8 fctype = req->req.cmd->fabrics.fctype;
+	int qid = nvme_rdma_queue_idx(queue);
+
+	dev_warn(ctrl->ctrl.device,
+		 "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout\n",
+		 rq->tag, nvme_cid(rq), opcode,
+		 nvme_opcode_str(qid, opcode, fctype), qid);
 
 	if (ctrl->ctrl.state != NVME_CTRL_LIVE) {
 		/*