linux-kernel - Re: XFS Fails Quality Assurance Tests on ARM

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Message-Id: <20071030.143834.127458535.davem@davemloft.net>
Date:	Tue, 30 Oct 2007 14:38:34 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hch@...radead.org
Cc:	sandeen@...deen.net, andi@...stfloor.org, byron.bbradley@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: XFS Fails Quality Assurance Tests on ARM

From: Christoph Hellwig <hch@...radead.org>
Date: Tue, 30 Oct 2007 17:54:18 +0000

> On Tue, Oct 30, 2007 at 12:47:35AM -0500, Eric Sandeen wrote:
> > There was a patch floating around to "fix" it but it's not on-disk
> > compatible w/ x86 & friends, it just makes things consistent for arm.  I
> > think packing some of these structures would take care of it, but this
> > problem could use some attention & testing I think, it's been floating
> > around a long time.
> 
> Do you have a pointer to that patch?  Once the unaliged fields are
> identified simply using get_unaligned on them should fix this issue.

True, but there is the tertiary issue that the packing done by these
platforms might mean that the on-disk format is different on different
platforms which the XFS folks likely want to avoid if possible.
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