make_partition
result = make_partition(layout, VDO_BLOCK_MAP_PARTITION, block_map_blocks, true);
result = make_partition(layout, VDO_SLAB_SUMMARY_PARTITION, summary_blocks,
result = make_partition(layout, VDO_RECOVERY_JOURNAL_PARTITION, journal_blocks,
result = make_partition(layout, VDO_SLAB_DEPOT_PARTITION, 0, true);