VDO_PARTITION_COUNT
if (layout->num_partitions > VDO_PARTITION_COUNT) {
for (i = 0; i < VDO_PARTITION_COUNT; i++) {
.size = sizeof(struct layout_3_0) + (sizeof(struct partition_3_0) * VDO_PARTITION_COUNT),
(sizeof(struct partition_3_0) * VDO_PARTITION_COUNT)),