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nvme: introduce nvme_start_request

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In preparation for nvme-multipath IO stats accounting, we want the
accounting to happen in a centralized place. The request completion
is already centralized, but we need a common helper to request I/O
start.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Sagi Grimberg
2022-10-03 12:43:43 +03:00
committed by Christoph Hellwig
parent 99722c8aa8
commit 6887fc6495
7 changed files with 11 additions and 6 deletions
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2
drivers/nvme/target/loop.c
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@@ -145,7 +145,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
if (ret)
return ret;
blk_mq_start_request(req);
nvme_start_request(req);
iod->cmd.common.flags |= NVME_CMD_SGL_METABUF;
iod->req.port = queue->ctrl->port;
if (!nvmet_req_init(&iod->req, &queue->nvme_cq,