DRBD_A_DEVICE_STATISTICS_DEV_LOWER_BLOCKED
nla = ntb[DRBD_A_DEVICE_STATISTICS_DEV_LOWER_BLOCKED];
if (nla_put_u8(skb, DRBD_A_DEVICE_STATISTICS_DEV_LOWER_BLOCKED, s->dev_lower_blocked))
[DRBD_A_DEVICE_STATISTICS_DEV_LOWER_BLOCKED] = { .type = NLA_U8, },