DMU_OTN_UINT64_METADATA
(idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
obj = dmu_object_alloc(os, DMU_OTN_UINT64_METADATA,
SPA_OLD_MAXBLOCKSIZE, DMU_OTN_UINT64_METADATA,
object = dmu_object_alloc(mos, DMU_OTN_UINT64_METADATA,
DMU_OTN_UINT64_METADATA, SPA_OLD_MAXBLOCKSIZE,
DMU_OTN_UINT64_METADATA, sizeof (vdev_indirect_birth_phys_t),
DMU_OTN_UINT64_METADATA, SPA_OLD_MAXBLOCKSIZE,
DMU_OTN_UINT64_METADATA, bonus_size,