def _create_blockdevice_dataset(self, dataset_id, maximum_size,
                                    metadata=pmap({})):
        change = CreateBlockDeviceDataset(
            dataset_id=dataset_id,
            maximum_size=maximum_size,
            metadata=metadata
        )

        run_state_change(change, self.deployer, InMemoryStatePersister())

        [volume] = self.api.list_volumes()
        return volume
Return a :class:`QuerySet` of pages without parent.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/CreateBlockDeviceDatasetImplementationMixin._create_blockdevice_dataset--crossover with--dataset/ETHPy150Open batiste/django-page-cms/pages/managers.py/PageManager.root