Re: 2.6.5-rc3-mm2

From: Jens Axboe
Date: Fri Apr 02 2004 - 07:39:20 EST


On Fri, Apr 02 2004, Marc-Christian Petersen wrote:
> On Friday 02 April 2004 14:27, Jens Axboe wrote:
>
> Hi Jens,
>
> > > is there any reason why I see /sys/block/hda/queue/iosched/ beeing empty?
> > > I thought every I/O scheduler would put in there some tunables or at
> > > least some info's what defaults are used. Or did I miss something
> > > completely and now I am totally wrong?
>
> > This branch of CFQ doesn't implement the parameters as sysfs modifyable,
> > later versions do.
>
> Do you have any later versions of cfq? I had cfq-4 with ioprios in my
> tree but that version I have has fatal performance problems compared
> to the cfq-4 in -mm.

Nope, not finalized. I have one that will take a day of work to complete
or so that is pretty much the final design of CFQ I think (before taking
io priorities and making them general).

--
Jens Axboe

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