request.NoteQueued(true)
	qs.reqsGaugePair.RequestsWaiting.Add(1)
	qs.seatDemandIntegrator.Set(float64(qs.totSeatsInUse + qs.totSeatsWaiting))
}

// dispatchAsMuchAsPossibleLocked does as many dispatches as possible now.
func (qs *queueSet) dispatchAsMuchAsPossibleLocked() {
	for qs.totRequestsWaiting != 0 && qs.totSeatsInUse < qs.dCfg.ConcurrencyLimit && qs.dispatchLocked() {
	}
}