From: Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 22/23] io-controller: Support per cgroup per
 device weights and io class
Date: Mon, 31 Aug 2009 16:56:16 -0400
Message-ID: <4A9C38F0.3070206@redhat.com>
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To: Vivek Goyal <vgoyal@redhat.com>
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Vivek Goyal wrote:
> This patch enables per-cgroup per-device weight and ioprio_class handling.
> A new cgroup interface "policy" is introduced. You can make use of this
> file to configure weight and ioprio_class for each device in a given cgroup.
> The original "weight" and "ioprio_class" files are still available. If you
> don't do special configuration for a particular device, "weight" and
> "ioprio_class" are used as default values in this device.

Acked-by: Rik van Riel <riel@redhat.com>