Assume a default thin pool named 'lxc'.

Will fallback to no thinpool if not present or if thin pool provided on the command line does not exist.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Store fssize and fstype in the right struct.

When using the -Bloop option, fstype and fssize arguments were copied
into the lvm struct of bdev specs instead of the loop struct.

Signed-off-by: Sidnei da Silva <sidnei.da.silva@canonical.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>