HAMMER_ZONE_META_INDEX
zone = HAMMER_ZONE_META_INDEX;
layer2->zone == HAMMER_ZONE_META_INDEX) {
data = alloc_blockmap(HAMMER_ZONE_META_INDEX, data_len,
zone == HAMMER_ZONE_META_INDEX) &&
case HAMMER_ZONE_META_INDEX:
zone = HAMMER_ZONE_META_INDEX;