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Re: [PATCH 17/28] xfs: kill struct xfs_dir2_block

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 17/28] xfs: kill struct xfs_dir2_block
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri, 8 Jul 2011 20:20:39 +1000
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20110707110643.885126908@xxxxxxxxxxxxxxxxxxxxxx>
References: <20110707110535.205001532@xxxxxxxxxxxxxxxxxxxxxx> <20110707110643.885126908@xxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Thu, Jul 07, 2011 at 07:05:52AM -0400, Christoph Hellwig wrote:
> Remove the confusing xfs_dir2_block structure.  It is supposed to describe
> an XFS dir2 block format btree block, but due to the variable sized nature
> of almost all elements in it it can't actuall do anything close to that
> job.  In addition to accessing the fixed offset header structure it was
> only used to get a pointer to the first dir or unused entry after it,
> which can be trivially replaced by pointer arithmetics on the header
> pointer.  For most users that is actually more natural anyway, as they
> don't use a typed pointer but rather a character pointer for further
> arithmetics.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reviewed-by: Alex Elder <aelder@xxxxxxx>

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>

-- 
Dave Chinner
david@xxxxxxxxxxxxx

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