[PATCH 09/25] xfs: do not use xfs_bmap_add_extent for adding delalloc extents

[Alex Elder]

On Wed, 2011-08-24 at 02:04 -0400, Christoph Hellwig wrote: 
> We can just call xfs_bmap_add_extent_hole_delay directly to add a delayed
> allocated regions to the extent tree, instead of going through all the
> complexities of xfs_bmap_add_extent that aren't needed for this simple
> case.

Looks good.

By the way, while looking at this I noticed the code in xfs_bunmapi()
seemed to be doing arithmetic with a possibly null br_startblock,
which can't be right...  (In assigning sum just after wasdel gets
assigned.)

> Signed-off-by: Christoph Hellwig <hch at lst.de>

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