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From: Jeff Moyer <jmoyer@redhat.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC patch] block: add round robin dispatch in noop IO scheduler
References: <CAJd=RBC=cZO8boOQMqJi=q9H2tZNOfsu_=VrkFt4_ExJCrLePQ@mail.gmail.com>
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Date: Mon, 02 Jul 2012 15:36:15 -0400
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	(Hillf Danton's message of "Wed, 27 Jun 2012 21:55:51 +0800")
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Hillf Danton <dhillf@gmail.com> writes:

> Requests are grouped according to IO context, and dispatched in round
> robin, one request per context a time, then noop serves flash based
> disk "fair"?

NACK.  Noop means noop.  You can have a look, and maybe contribute to
the work that Shaohua Li is doing.  He proposed an IOPS-based scheduler
here:
  http://lwn.net/Articles/474164/

Cheers,
Jeff