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Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0
authorchandan <chandan@linux.vnet.ibm.com>
Fri, 13 Sep 2013 14:04:10 +0000 (19:34 +0530)
committerChris Mason <chris.mason@fusionio.com>
Sat, 21 Sep 2013 15:05:29 +0000 (11:05 -0400)
commit5ac2a299241d3bebfc1da7d90a92da243e416f16
tree6dcba0af6eccf6e59401c1bc04bbc60da6990ed7tree | snapshot
parentc1a9714d9552ea73d4ae0ad372ce162018c33eb3commit | diff
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>
fs/btrfs/ioctl.c diff | blob | history
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