'Ensure vdisk has no flashcopy mappings.'

def ensure_vdisk_no_fc_mappings(self, name, allow_snaps=True, allow_fctgt=False):

    timer = loopingcall.FixedIntervalLoopingCall(self._check_vdisk_fc_mappings, name, allow_snaps, allow_fctgt)
    LOG.debug('Calling    _ensure_vdisk_no_fc_mappings:    vdisk    %s.', name)
    ret = timer.start(interval=self.check_fcmapping_interval).wait()
    timer.stop()
    return ret
