def _close_volume(self, **kwargs):
        LOG.debug("closing encrypted volume %s", self.dev_path)
        utils.execute('cryptsetup', 'luksClose', self.dev_name,
                      run_as_root=True, check_exit_code=True,
                      attempts=3)
If serializers are passed to L{startAction} they are attached to the
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/volume/encryptors/luks.py/LuksEncryptor._close_volume--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_action.py/StartActionAndTaskTests.test_startActionSerializers