nvme-fabrics: add a request timeout helper

The RDAMA and TCP transport both complete the timed out request in the
same manner and hence code is duplicated. Add and use the helper
nvmf_complete_timed_out_request() to remove the duplicate code.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index ad3a2bf..bb67538 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -2318,10 +2318,7 @@ static void nvme_tcp_complete_timed_out(struct request *rq)
 	struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl;
 
 	nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue));
-	if (blk_mq_request_started(rq) && !blk_mq_request_completed(rq)) {
-		nvme_req(rq)->status = NVME_SC_HOST_ABORTED_CMD;
-		blk_mq_complete_request(rq);
-	}
+	nvmf_complete_timed_out_request(rq);
 }
 
 static enum blk_eh_timer_return