DRBD_A_DISK_CONF_FENCING
if (nla_put_u32(skb, DRBD_A_DISK_CONF_FENCING, s->fencing))
[DRBD_A_DISK_CONF_FENCING] = { .type = NLA_U32, },
nla = ntb[DRBD_A_DISK_CONF_FENCING];