DRBD_NLA_RESOURCE_STATISTICS
struct nlattr *tla = info->attrs[DRBD_NLA_RESOURCE_STATISTICS];
struct nlattr *tla = nla_nest_start(skb, DRBD_NLA_RESOURCE_STATISTICS);
static const struct nla_policy drbd_get_resources_nl_policy[DRBD_NLA_RESOURCE_STATISTICS + 1] = {
[DRBD_NLA_RESOURCE_STATISTICS] = NLA_POLICY_NESTED(drbd_resource_statistics_nl_policy),
.maxattr = DRBD_NLA_RESOURCE_STATISTICS,