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Date:	Thu, 16 Oct 2008 15:00:29 +0200
From:	Patrick McHardy <>
To:	Jarek Poplawski <>
CC:	David Miller <>,,
	Herbert Xu <>
Subject: Re: [PATCH 4/6] pkt_sched: Add qdisc->ops->peek() implementation.

Jarek Poplawski wrote:
> On Thu, Oct 16, 2008 at 02:26:33PM +0200, Patrick McHardy wrote:
>> Jarek Poplawski wrote:
>>> Add qdisc->ops->peek() implementation for work-conserving qdiscs.
>>> diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
>>> index 915f314..155648d 100644
>>> --- a/net/sched/sch_multiq.c
>>> +++ b/net/sched/sch_multiq.c
>> I haven't looked at sch_multiq in detail yet, but isn't it supposed to
>> be used as root qdisc? In that case we wouldn't need a ->peek operation.
> It's recommended, but IMHO, could be useful as a child too, especially
> for testing. I've thought if it shouldn't be rather treated as non-work-
> conserving, but I don't think there is a reason for preventing such test
> or other non-optimal usage.

OK, if it works thats fine of course.

>>> diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
>>> index d35ef05..8d7acd8 100644
>>> --- a/net/sched/sch_teql.c
>>> +++ b/net/sched/sch_teql.c
>> teql is also meant to be used as root qdisc. It doesn't seem to enfore
>> it though.
> Probably like above: there is not much of this code, but it could be
> cut, no problem.

I'm mainly wondering whether it works at all when not used as a
root qdisc. I'm unable to answer this by a quick look at the code,
so for now I'd just keep that part too.
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