[PATCH 19/27] xfs: kill struct xfs_dir2_data

[Alex Elder]

On Fri, 2011-07-01 at 05:43 -0400, Christoph Hellwig wrote:
> Remove the confusing xfs_dir2_data structure.  It is supposed to describe
> an XFS dir2 data 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 at lst.de>

Looks good.  I like the diagrams.

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