DRBD_A_DEVICE_STATISTICS_DEV_AL_WRITES
nla = ntb[DRBD_A_DEVICE_STATISTICS_DEV_AL_WRITES];
if (nla_put_u64_64bit(skb, DRBD_A_DEVICE_STATISTICS_DEV_AL_WRITES, s->dev_al_writes, 0))
[DRBD_A_DEVICE_STATISTICS_DEV_AL_WRITES] = { .type = NLA_U64, },