From: Stefan Behrens <sbehrens@giantdisaster.de>
Date: Thu, 15 Aug 2013 15:11:19 +0000 (+0200)
Subject: Btrfs: create UUID tree if required
X-Git-Tag: v3.12-rc1~40^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7a81ea4cc6bdb51d8267d2f3ff485f0b4070074;p=pandora-kernel.git

Btrfs: create UUID tree if required

This tree is not created by mkfs.btrfs. Therefore when a filesystem
is mounted writable and the UUID tree does not exist, this tree is
created if required. The tree is also added to the fs_info structure
and initialized, but this commit does not yet read or write UUID tree
elements.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

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