Re: [PATCH] blk-mq: auto-start hw queue in requeue

[Christoph Hellwig]

On Fri, Sep 19, 2014 at 10:22:50PM +0800, Ming Lei wrote:
> Requests often need to be retried because of timeout, hardware
> busy or sort of reasons via blk_mq_requeue_request(), but at
> that time dispatch queue may have been stopped.
> 
> This patch starts the dispatch queue automatically in requeue's
> work handler, and fixes scsi-mq's timeout issue, which can be
> triggered if there are two or more requests timedout.

Sounds like blk_mq_requeue_work should simply call void
blk_mq_start_hw_queues where it calls blk_mq_run_queues currently.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/