DRBD_NLA_DETACH_PARMS
if (info->attrs[DRBD_NLA_DETACH_PARMS]) {
struct nlattr *tla = info->attrs[DRBD_NLA_DETACH_PARMS];
struct nlattr *tla = nla_nest_start(skb, DRBD_NLA_DETACH_PARMS);
static const struct nla_policy drbd_detach_nl_policy[DRBD_NLA_DETACH_PARMS + 1] = {
[DRBD_NLA_DETACH_PARMS] = NLA_POLICY_NESTED(drbd_detach_parms_nl_policy),
.maxattr = DRBD_NLA_DETACH_PARMS,