[dm-devel] Re: IO scheduler based IO controller V10

Jens Axboe jens.axboe at oracle.com
Fri Oct 2 18:08:57 UTC 2009


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




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