DRBD_A_DISK_CONF_META_DEV_IDX
has_invariant(ntb, DRBD_A_DISK_CONF_META_DEV_IDX) ||
if (nla_put_s32(skb, DRBD_A_DISK_CONF_META_DEV_IDX, s->meta_dev_idx))
[DRBD_A_DISK_CONF_META_DEV_IDX] = { .type = NLA_U32, },
nla = ntb[DRBD_A_DISK_CONF_META_DEV_IDX];