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From: Jens Axboe <axboe@suse.de>
To: Con Kolivas <kernel@kolivas.org>
Cc: ck list <ck@vds.kolivas.org>, linux list <linux-kernel@vger.kernel.org>
Subject: Re: [ck] [patch] cfq: ioprio inherit rt class
Date: Fri, 2 Jun 2006 19:12:16 +0200	[thread overview]
Message-ID: <20060602171215.GM4400@suse.de> (raw)
In-Reply-To: <200605271150.41924.kernel@kolivas.org>

On Sat, May 27 2006, Con Kolivas wrote:
> Jens, ml
> 
> I was wondering if cfq io priorities should be explicitly set to the realtime 
> class when no io priority is specified from realtime tasks as in the 
> following patch? (rt_task() will need to be modified to suit the PI changes in
> -mm)

Not sure. RT io needs to be considered carefully, but I guess so does RT
CPU scheduling. For now I'd prefer to play it a little safer, and only
inheric the priority value and not the class.

-- 
Jens Axboe


  parent reply	other threads:[~2006-06-02 17:09 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-27  1:50 [patch] cfq: ioprio inherit rt class Con Kolivas
2006-05-27  2:08 ` Con Kolivas
2006-06-02 17:12 ` Jens Axboe [this message]
2006-06-03  0:10   ` Con Kolivas
2006-06-03 17:40     ` Lee Revell
2006-06-03 18:52       ` Horst von Brand
2006-06-04  1:37       ` Con Kolivas

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