Re: I/O Scheduling

From: Lee Revell
Date: Sat Jan 28 2006 - 14:44:11 EST


On Sat, 2006-01-28 at 20:18 +0100, Jens Axboe wrote:
> On Sat, Jan 28 2006, Lee Revell wrote:
> > On Sat, 2006-01-28 at 18:54 +0100, Florian Schmidt wrote:
> > >
> > > i'm also interested in these. Especially I/O priorities per
> > > process/task similar to scheduling priorities. It would be just
> > > awesome to be able to give i.e. a hd recording program (or any other
> > > data aquisition or playback program) a high I/O priority.
> > >
> >
> > I believe it's already implemented for the CFQ scheduler only, but the
> > patch does not seem to be in mainline.
> >
> > Jens, what's the status of this?
>
> It's merged, since 2.6.13.
>

OK, I was looking at an old patch, the API must have changed. Can it be
controlled per thread, independently of the nice value/RT priority?

Lee

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