From 30b0463a9394d9e41596e96def5461fe33222f13 Mon Sep 17 00:00:00 2001
From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Sat, 13 Apr 2013 13:19:54 +0000
Subject: [PATCH] Btrfs: fix accessing the root pointer in tree mod log
 functions

The tree mod log functions were accessing root->node->... directly, without
use of btrfs_root_node() or explicit rcu locking. This could lead to an
extent buffer reference being leaked and another reference being freed too
early when preemtion was enabled.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Reading git-format-patch failed