linux-kernel - Re: 2.6.19 file content corruption on ext3

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Message-Id: <20061219024715.b1d3728b.akpm@osdl.org>
Date:	Tue, 19 Dec 2006 02:47:15 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>,
	Linus Torvalds <torvalds@...l.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, andrei.popa@...eo.ro,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Hugh Dickins <hugh@...itas.com>,
	Florian Weimer <fw@...eb.enyo.de>,
	Marc Haber <mh+linux-kernel@...schlus.de>,
	Martin Michlmayr <tbm@...ius.com>
Subject: Re: 2.6.19 file content corruption on ext3

On Tue, 19 Dec 2006 02:32:55 -0800
Andrew Morton <akpm@...l.org> wrote:

> <spots a race in do_no_page()>
> 
> If a write-fault races with a read-fault and the write-fault loses, we forget
> to mark the page dirty.

No that isn't right, is it.  The writer just retakes the fault and
all the right things happen.  Ho hum.
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