HN_TXD_FLAG_ONAGG
KASSERT((txd->flags & HN_TXD_FLAG_ONAGG) == 0,
KASSERT((tmp_txd->flags & HN_TXD_FLAG_ONAGG),
tmp_txd->flags &= ~HN_TXD_FLAG_ONAGG;
(txd->flags & HN_TXD_FLAG_ONAGG) == 0 &&
KASSERT((agg_txd->flags & HN_TXD_FLAG_ONAGG) == 0,
KASSERT((txd->flags & HN_TXD_FLAG_ONAGG) == 0,
txd->flags |= HN_TXD_FLAG_ONAGG;
if (txd->refs > 0 && (txd->flags & HN_TXD_FLAG_ONAGG) == 0) {