linux-kernel - Re: [PATCH] mm: fix page_mkclean_one (was: 2.6.19 file content corruption on ext3)

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Message-ID: <9a8748490612200412j34d90afah786bff071f34110b@mail.gmail.com>
Date:	Wed, 20 Dec 2006 13:12:24 +0100
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>
Cc:	"Arjan van de Ven" <arjan@...radead.org>,
	"Linus Torvalds" <torvalds@...l.org>,
	"Andrei Popa" <andrei.popa@...eo.ro>,
	"Andrew Morton" <akpm@...l.org>,
	"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>,
	"Martin Schwidefsky" <schwidefsky@...ibm.com>,
	"Heiko Carstens" <heiko.carstens@...ibm.com>,
	"Arnd Bergmann" <arnd.bergmann@...ibm.com>
Subject: Re: [PATCH] mm: fix page_mkclean_one (was: 2.6.19 file content corruption on ext3)

On 20/12/06, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> On Wed, 2006-12-20 at 12:39 +0100, Jesper Juhl wrote:
> > Having the assignment of "ret = 1;" inside the loop seems a little
> > pointless. Perhaps gcc can optimize it, but still, that assignment
> > really only needs to happen once outside the loop.
>
> Sure, but I was hoping gcc was smart enough. Placing it outside the loop
> would require an extra if stmt. Also the chance this loop will actually
> be traversed more than once is _very_ small.
>

allright - I just spotted it and thought I'd point it out :-)

-- 
Jesper Juhl <jesper.juhl@...il.com>
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