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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: IO stats in /proc/partitions
Date: 12 Mar 2002 13:51:15 -0800
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Followup to:  <3C8E1FFF.9090705@linkvest.com>
By author:    Jean-Eric Cuendet <jean-eric.cuendet@linkvest.com>
In newsgroup: linux.dev.kernel
>
> Hi,
> I use 2.4.19-pre2-ac4.
> 2 questions:
> - Either MD Raid ot LVM IO devices are not accounted in /proc/partitions 
> IO data. Is it normal?
> - Are the new /proc/partitions IO stats integrated in 2.4.19-pre3?
> 

If we're adding fields to /proc/partitions, I would like to
*strongly* recommend that /proc/partitions adds the following
information:

	offset and length
	parent device (if applicable)

The latter could also be used to identify parallelizable devices
(spindles) for things like fsck.

	-hpa
-- 
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