On Wed, 21 Jun 2023 21:22:08 +0800, Ming Lei wrote:
> In case of real io scheduler, q->elevator is set, so blk_mq_run_hw_queue()
> may just check if scheduler queue has request to dispatch, see
> __blk_mq_sched_dispatch_requests(). Then IO hang may be caused because
> all passthorugh requests may stay in sw queue.
>
> And any passthrough request should have been inserted to hctx->dispatch
> always.
>
> [...]
Applied, thanks!
[1/1] blk-mq: don't insert passthrough request into sw queue
commit: 2293cae703cda162684ae966db6b1b4a11b5e88f
Best regards,
--
Jens Axboe
