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Date: Thu, 12 Sep 2002 11:49:25 -0700
From: Andrew Morton <akpm@digeo.com>
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CC: Rick Lindsley <ricklind@us.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] sard changes for 2.5.34
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Denis Vlasenko wrote:
> 
> On 12 September 2002 05:20, Andrew Morton wrote:
> > > Lastly, a bit of a philosophical question.  /proc/stat and (with this
> > > patch) /proc/diskstats provide some of the same information. Should
> > >
> > >     a) all of it appear in /proc/stat?
> > >
> > >     b) all of it appear in /proc/diskstats?
> > >
> > >     c) keep the current (limited) info in /proc/stat (for backward
> > >        compatibility) and introduce the expanded info in
> > >        /proc/diskstats?
> > >
> > > My preference is b, but I'm open to other opinions.
> >
> > b).  Let's get the kernel right and change userspace to follow.  We have
> > another accounting patch which breaks top(1), so Rik has fixed it (and
> > is feeding the fixes upstream).
> 
> Erm... Some of /proc/stat data has no relations to disks, namely CPU counts.
> It would be strange to have CPU stats in /proc/diskstats...

Rick is proposing that all the disk stuff be in /proc/diskstat and
that all the process stuff be in /proc/stat.  ie: move all the disk
accounting out of /proc/stat.
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