From c43d160fcd5e4e4f7d2983f5d5253ca33a1596ca Mon Sep 17 00:00:00 2001
From: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: Mon, 30 Mar 2015 17:12:29 +0800
Subject: [PATCH] btrfs: delayed-ref: Cleanup the unneeded functions.

Cleanup the rb_tree merge/insert/update functions, since now we use list
instead of rb_tree now.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed