'Enumerate Instance Names.'

@lockutils.synchronized('ETERNUS-SMIS-other', 'cinder-', True)
def _enum_eternus_instance_names(self, classname):

    LOG.debug('_enum_eternus_instance_names,    classname:    %s.', classname)
    ret = self.conn.EnumerateInstanceNames(classname)
    LOG.debug('_enum_eternus_instance_names,    enum    %d    names.', len(ret))
    return ret
