Re: IO scheduler based IO controller V10

From: Jens Axboe
Date: Fri Oct 02 2009 - 14:09:04 EST


On Thu, Oct 01 2009, Mike Galbraith wrote:
> max_dispatch = cfqd->cfq_quantum;
> if (cfq_class_idle(cfqq))
> max_dispatch = 1;
>
> + if (cfqd->busy_queues > 1)
> + cfqd->od_stamp = jiffies;
> +

->busy_queues > 1 just means that they have requests ready for dispatch,
not that they are dispatched.


--
Jens Axboe

--
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/