ZFS_FUID_TABLES
VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
ZFS_FUID_TABLES, 8, 1, &zfsvfs->z_fuid_obj);
ZFS_FUID_TABLES, sizeof (uint64_t), 1,
error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 8, 1,