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nvme-rdma: factor out a nvme_rdma_end_request helper 

Factor a small sniplet of duplicated code into a new helper in
preparation for making this sniplet a little bit less trivial.

Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-06-11 08:44:51 +02:00 committed by Jens Axboe
parent 40d09b53bf
commit 8446546cc2
1 changed files with 17 additions and 19 deletions
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36
drivers/nvme/host/rdma.c
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@ -1149,6 +1149,15 @@ static void nvme_rdma_error_recovery(struct nvme_rdma_ctrl *ctrl)
queue_work(nvme_reset_wq, &ctrl->err_work);
}
static void nvme_rdma_end_request(struct nvme_rdma_request *req)
{
struct request *rq = blk_mq_rq_from_pdu(req);
if (!refcount_dec_and_test(&req->ref))
return;
nvme_end_request(rq, req->status, req->result);
}
static void nvme_rdma_wr_error(struct ib_cq *cq, struct ib_wc *wc,
const char *op)
{
@ -1173,16 +1182,11 @@ static void nvme_rdma_inv_rkey_done(struct ib_cq *cq, struct ib_wc *wc)
{
struct nvme_rdma_request *req =
container_of(wc->wr_cqe, struct nvme_rdma_request, reg_cqe);
struct request *rq = blk_mq_rq_from_pdu(req);
if (unlikely(wc->status != IB_WC_SUCCESS)) {
if (unlikely(wc->status != IB_WC_SUCCESS))
nvme_rdma_wr_error(cq, wc, "LOCAL_INV");
return;
}
if (refcount_dec_and_test(&req->ref))
nvme_end_request(rq, req->status, req->result);
else
nvme_rdma_end_request(req);
}
static int nvme_rdma_inv_rkey(struct nvme_rdma_queue *queue,
@ -1547,15 +1551,11 @@ static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
container_of(wc->wr_cqe, struct nvme_rdma_qe, cqe);
struct nvme_rdma_request *req =
container_of(qe, struct nvme_rdma_request, sqe);
struct request *rq = blk_mq_rq_from_pdu(req);
if (unlikely(wc->status != IB_WC_SUCCESS)) {
if (unlikely(wc->status != IB_WC_SUCCESS))
nvme_rdma_wr_error(cq, wc, "SEND");
return;
}
if (refcount_dec_and_test(&req->ref))
nvme_end_request(rq, req->status, req->result);
else
nvme_rdma_end_request(req);
}
static int nvme_rdma_post_send(struct nvme_rdma_queue *queue,
@ -1694,11 +1694,9 @@ static void nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue,
nvme_rdma_error_recovery(queue->ctrl);
}
/* the local invalidation completion will end the request */
return;
} else {
nvme_rdma_end_request(req);
}
if (refcount_dec_and_test(&req->ref))
nvme_end_request(rq, req->status, req->result);
}
static void nvme_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc)