SCAN_PHYS_NUMINTS
DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS,
uint64_t zaptmp[SCAN_PHYS_NUMINTS + 1];
VERIFY3S(SCAN_PHYS_NUMINTS, ==, 24);
sizeof (uint64_t), SCAN_PHYS_NUMINTS + 1, &zaptmp);
uint64_t overflow = zaptmp[SCAN_PHYS_NUMINTS];
SCAN_PHYS_NUMINTS * sizeof (uint64_t));
DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS,
DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS,