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

[Ingo Molnar <mingo elte hu>]

* Mike Galbraith <efault gmx de> wrote:

>  	unsigned int cfq_desktop;
> +	unsigned int cfq_desktop_dispatch;

> -	if (cfq_cfqq_idle_window(cfqq) && cfqd->rq_in_driver[BLK_RW_ASYNC])
> +	if (cfq_cfqq_idle_window(cfqq) && cfqd->rq_in_driver[BLK_RW_ASYNC]) {
> +		cfqd->desktop_dispatch_ts = jiffies;
>  		return 0;
> +	}

btw., i hope all those desktop_ things will be named latency_ pretty 
soon as the consensus seems to be - the word 'desktop' feels so wrong in 
this context.

'desktop' is a form of use of computers and the implication of good 
latencies goes far beyond that category of systems.

	Ingo