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Date: Tue, 17 Apr 2007 09:18:59 +0200
From: Paolo Ornati <ornati@fastwebnet.it>
To: Gene Heskett <gene.heskett@gmail.com>
Cc: Willy Tarreau <w@1wt.eu>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Con Kolivas <kernel@kolivas.org>, Nick Piggin <npiggin@suse.de>,
       Mike Galbraith <efault@gmx.de>, Arjan van de Ven <arjan@infradead.org>,
       Peter Williams <pwil3058@bigpond.net.au>,
       Thomas Gleixner <tglx@linutronix.de>, caglar@pardus.org.tr,
       Dmitry Adamushko <dmitry.adamushko@gmail.com>
Subject: Re: [patch] CFS (Completely Fair Scheduler), v2
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On Tue, 17 Apr 2007 01:51:08 -0400
Gene Heskett <gene.heskett@gmail.com> wrote:

> FWIW, I've been using the CFQ I/O scheduler for quite a while, is it time I 
> gave the AS or Deadline versions another check?  They are all built in but I 
> don't know how to change the default on the fly, or even if it can be done.

easy :)

# cat /sys/block/DEVICE/queue/scheduler
as noop [cfq] ...

# echo IO_SCHED > /sys/block/DEVICE/queue/scheduler

-- 
	Paolo Ornati
	Linux 2.6.21-rc7 on x86_64