From: chandan <chandan@linux.vnet.ibm.com>
Date: Fri, 13 Sep 2013 14:04:10 +0000 (+0530)
Subject: Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0
X-Git-Tag: v3.12-rc2~5^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cecf579d161527f610ef0da852dd6122e434a49;p=pandora-kernel.git

Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0

This patch makes it possible to set BTRFS_FS_TREE_OBJECTID as the default
subvolume by passing a subvolume id of 0.

Signed-off-by: chandan <chandan@linux.vnet.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

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