From 489a150f6454e2cd93d9e0ee6d7c5a361844f62a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 10 Dec 2010 15:04:11 +0000
Subject: [PATCH] xfs: factor duplicate code in xfs_alloc_ag_vextent_near into
 a helper

Add a new xfs_alloc_find_best_extent that does a forward/backward
search in the allocation btree.  That code previously was existed
two times in xfs_alloc_ag_vextent_near, once for each search
direction.

Based on an earlier patch from Dave Chinner.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
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