On Fri, 2009-10-02 at 20:08 +0200, Jens Axboe wrote:
> 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.
But we're not alone, somebody else is using disk. I'm trying to make
sure we don't have someone _about_ to come back.. like a reader, so when
there's another player, stamp to give him some time to wake up/submit
before putting the pedal to the metal.
-Mike
_______________________________________________
Containers mailing list
[email protected]
https://lists.linux-foundation.org/mailman/listinfo/containers
_______________________________________________
Devel mailing list
[email protected]
https://openvz.org/mailman/listinfo/devel
