From: Chaitanya Kulkarni <[email protected]>
To: Kanchan Joshi <[email protected]>
Cc: "[email protected]" <[email protected]>, "[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>
Subject: Re: [RFC 2/3] nvme: passthrough helper with callback
Date: Wed, 3 Mar 2021 07:52:01 +0000 [thread overview]
Message-ID: <BYAPR04MB496566944851825B251CA93686989@BYAPR04MB4965.namprd04.prod.outlook.com> (raw)
In-Reply-To: [email protected]
On 3/2/21 23:22, Kanchan Joshi wrote:
> -void nvme_execute_passthru_rq(struct request *rq)
> +void nvme_execute_passthru_rq_common(struct request *rq,
> + rq_end_io_fn *done)
> {
> struct nvme_command *cmd = nvme_req(rq)->cmd;
> struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl;
> @@ -1135,9 +1136,17 @@ void nvme_execute_passthru_rq(struct request *rq)
> u32 effects;
>
> effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode);
> - blk_execute_rq(disk, rq, 0);
> + if (!done)
> + blk_execute_rq(disk, rq, 0);
> + else
> + blk_execute_rq_nowait(disk, rq, 0, done);
> nvme_passthru_end(ctrl, effects);
This needs a detailed explanation in order to prove the correctness.
next prev parent reply other threads:[~2021-03-04 0:24 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210302160907epcas5p4d04ab7c4ef4d467302498f06ed656b24@epcas5p4.samsung.com>
2021-03-02 16:07 ` [RFC 0/3] Async nvme passthrough Kanchan Joshi
[not found] ` <CGME20210302161000epcas5p3ec5c461a8eec593b6d83a9127c7fec4f@epcas5p3.samsung.com>
2021-03-02 16:07 ` [RFC 1/3] io_uring: add helper for uring_cmd completion in submitter-task Kanchan Joshi
[not found] ` <CGME20210302161005epcas5p23f28fe21bab5a3e07b9b382dd2406fdc@epcas5p2.samsung.com>
2021-03-02 16:07 ` [RFC 2/3] nvme: passthrough helper with callback Kanchan Joshi
2021-03-03 7:52 ` Chaitanya Kulkarni [this message]
2021-03-04 11:13 ` Kanchan Joshi
2021-03-05 4:14 ` Chaitanya Kulkarni
2021-03-05 10:40 ` Kanchan Joshi
[not found] ` <CGME20210302161010epcas5p4da13d3f866ff4ed45c04fb82929d1c83@epcas5p4.samsung.com>
2021-03-02 16:07 ` [RFC 3/3] nvme: wire up support for async passthrough Kanchan Joshi
2021-03-03 7:34 ` Chaitanya Kulkarni
2021-03-04 11:01 ` Kanchan Joshi
2021-03-04 22:59 ` Chaitanya Kulkarni
2021-03-05 1:46 ` Jens Axboe
2021-03-05 2:41 ` Keith Busch
2021-03-05 10:44 ` Kanchan Joshi
2021-03-05 13:17 ` hch
2021-03-03 7:35 ` Chaitanya Kulkarni
2021-03-04 10:55 ` Kanchan Joshi
2021-03-05 13:22 ` hch
2021-03-03 7:37 ` Chaitanya Kulkarni
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