linux-kernel - Re: [patch 03/13] io-accounting: write accounting

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Date:	Wed, 13 Dec 2006 11:07:01 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Suleiman Souhlal <ssouhlal@...eBSD.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, balbir@...ibm.com, csturtiv@....com,
	daw@....com, guillaume.thouvenin@...l.net, jlan@....com,
	nagar@...son.ibm.com, tee@....com
Subject: Re: [patch 03/13] io-accounting: write accounting

On Wed, 13 Dec 2006 03:02:38 -0800
Suleiman Souhlal <ssouhlal@...eBSD.org> wrote:

> The only I/O non-shared VMAs might cause is from swapping, and I'm not
> sure if the io accounting patches actually care about that.

Yes, the patches do attempt to correctly account for swap IO.  swapin is
accounted in submit_bio() and swapout is, err, not accounted at all.  Drat,
I forgot to retest that.


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