linux-kernel - Re: [patch 02/52] fs: fix superblock iteration race

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Date:	Wed, 30 Jun 2010 08:13:31 +0100
From:	Chris Clayton <chris2553@...glemail.com>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	John Stultz <johnstul@...ibm.com>,
	Frank Mayhar <fmayhar@...gle.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [patch 02/52] fs: fix superblock iteration race

On Tuesday 29 June 2010, Chris Clayton wrote:
> On Tuesday 29 June 2010, Nick Piggin wrote:
> > On Tue, Jun 29, 2010 at 09:04:33PM +0100, Chris Clayton wrote:

> > >
> > > I'll spend a couple of hours doing stuff and see if I can generate an
> > > oops. Trouble is, of course, that when I pull and build the latest and
> > > greatest, I won't know why I'm not getting oopses, assuming I don't.
> >
> > Don't worry too much if you can't reproduce. I'd say it is likely to be
> > this bug, and if so, it is going to depend significantly on timing and
> > ordering of mounts/umounts.
>
> Yes, that makes sense. I did quite a bit of copying files to and from USB
> storage devices this morning. I've got some more to do, so I'll see what
> that produces.

Well, try as I may, these oopses are like London buses - firstly you get three 
in quick succession when you don't need them and then when you do, none turn 
up. Oh well!

Chris

-- 
The more I see, the more I know. The more I know, the less I understand. 
Changing Man - Paul Weller
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