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/fabrics.h b/drivers/nvme/host/fabrics.h
index 1e3a09c..46d6e19 100644 (file)
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -187,6 +187,14 @@ static inline char *nvmf_ctrl_subsysnqn(struct nvme_ctrl *ctrl)
        return ctrl->subsys->subnqn;
 }
 
+static inline void nvmf_complete_timed_out_request(struct request *rq)
+{
+       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);
+       }
+}
+
 int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val);
 int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val);
 int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val);

diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index d9f19d9..b87c8ae 100644 (file)
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -2010,10 +2010,7 @@ static void nvme_rdma_complete_timed_out(struct request *rq)
        struct nvme_rdma_queue *queue = req->queue;
 
        nvme_rdma_stop_queue(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

diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index ad3a2bf..bb67538 100644 (file)
--- 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