dnode_reallocate
dnode_reallocate(dn, ot, blocksize, bonustype, bonuslen, dn_slots,
DNODE_STAT_BUMP(dnode_reallocate);
void dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
kstat_named_t dnode_reallocate;