Subject: Re: I/O Scheduling
From: Lee Revell <rlrevell@joe-job.com>
To: Jens Axboe <axboe@suse.de>
Cc: Florian Schmidt <mista.tapas@gmx.net>, Libin Varghese <libinv@gmail.com>,
       linux-kernel@vger.kernel.org
In-Reply-To: <20060128191814.GD9750@suse.de>
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Date: Sat, 28 Jan 2006 14:44:38 -0500
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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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