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nvme: cache struct nvme_ctrl reference to struct nvme_request

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We will need to reference the controller in the setup and completion
time for tracing and future traffic based keep alive support.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg
2018-06-29 16:50:00 -06:00
committed by Christoph Hellwig
parent 202093848c
commit 59e29ce66b
5 changed files with 6 additions and 0 deletions
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1
drivers/nvme/host/rdma.c
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@@ -288,6 +288,7 @@ static int nvme_rdma_init_request(struct blk_mq_tag_set *set,
struct ib_device *ibdev = dev->dev;
int ret;
nvme_req(rq)->ctrl = &ctrl->ctrl;
ret = nvme_rdma_alloc_qe(ibdev, &req->sqe, sizeof(struct nvme_command),
DMA_TO_DEVICE);
if (ret)