From: Alexander Block <ablock84@googlemail.com>
Date: Tue, 5 Jun 2012 19:07:48 +0000 (+0200)
Subject: Btrfs: add btrfs_compare_trees function
X-Git-Tag: v3.6-rc1~81^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7069830a9e381e33d44ded45095f764844c71d24;p=pandora-kernel.git

Btrfs: add btrfs_compare_trees function

This function is used to find the differences between
two trees. The tree compare skips whole subtrees if it
detects shared tree blocks and thus is pretty fast.

Signed-off-by: Alexander Block <ablock84@googlemail.com>
Reviewed-by: David Sterba <dave@jikos.cz>
Reviewed-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reviewed-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
---

Reading git-diff-tree failed