linux-kernel - Re: Important regression with XFS update for 2.6.24-rc6

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Date:	Wed, 19 Dec 2007 12:17:30 +0100
From:	Damien Wyart <damien.wyart@...e.fr>
To:	David Chinner <dgc@....com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Lachlan McIlroy <lachlan@....com>,
	Peter Leckie <pleckie@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-xfs@....sgi.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Important regression with XFS update for 2.6.24-rc6

* David Chinner <dgc@....com> [071219 11:45]:
> Can someone pass me a brown paper bag, please?

My first impression on this bug was not so wrong, after all ;-)

> That also explains why we haven't seen it - it requires the user
> buffer to fill on the first entry of a backing buffer and so it is
> largely dependent on the pattern of name lengths, page size and
> filesystem block size aligning just right to trigger the problem.

I guess I was lucky to trigger it quite easily...

> Can you test this patch, Damien?

Works fine, all the bad symptoms have disappeared and strace output is
normal.

So you can add:

Tested-by: Damien Wyart <damien.wyart@...e.fr>

-- 
Damien
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