On Wed, 27 Oct 2021 01:51:27 +0900, Naohiro Aota wrote:
> When dispatching a zone append write request to a SCSI zoned block device,
> if the target zone of the request is already locked, the device driver will
> return BLK_STS_ZONE_RESOURCE and the request will be pushed back to the
> hctx dipatch queue. The queue will be marked as RESTART in
> dd_finish_request() and restarted in __blk_mq_free_request(). However, this
> restart applies to the hctx of the completed request. If the requeued
> request is on a different hctx, dispatch will no be retried until another
> request is submitted or the next periodic queue run triggers, leading to up
> to 30 seconds latency for the requeued request.
>
> [...]
Applied, thanks!
[1/1] block: schedule queue restart after BLK_STS_ZONE_RESOURCE
commit: 9586e67b911c95ba158fcc247b230e9c2d718623
Best regards,
--
Jens Axboe
