def _list_snapshots(reactor, filesystem):
 d = zfs_command(reactor, _list_snapshots_command(filesystem))
 d.addCallback(_parse_snapshots, filesystem)
 return d

def _list_snapshots ( reactor , filesystem ) : d = zfs_command ( reactor , _list_snapshots_command ( filesystem ) ) d . addCallback ( _parse_snapshots , filesystem ) return d
list the snapshots of the given filesystem .