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.
