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Subject: Re: [PATCH 3/3] xfs: optimize the negative xattr caching
From: Alex Elder <aelder@sgi.com>
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Date: Tue, 26 Jul 2011 17:39:11 -0500
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To: Christoph Hellwig <hch@infradead.org>
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On Tue, 2011-07-26 at 11:07 -0400, Christoph Hellwig wrote:
> Since the addition of file capabilities every write needs to read xattrs to
> check if we have any capabilities to clear.  In Linux 3.0 Andi Kleen added
> a flag to cache the fact that we do not have any attributes on an inode.
> Make sure to already mark a file as not having any attributes when reading
> it from disk in case it doesn't even have an attribute fork.  Based on an
> earlier patch from Andi Kleen.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks good to me.

Reviewed-by: Alex Elder <aelder@sgi.com>


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