netdev - Re: [PATCH 06/10] Make qdisc changeable.

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Date:	Mon, 01 Oct 2007 13:47:10 -0700
From:	Corey Hickey <bugfood-ml@...ooh.org>
To:	Patrick McHardy <kaber@...sh.net>,
	Linux Netdev List /s <netdev@...r.kernel.org>
Subject: Re: [PATCH 06/10] Make qdisc changeable.

Patrick McHardy wrote:
> Corey Hickey wrote:
>> Re-implement sfq_change() and enable Qdisc_opts.change so "tc qdisc
>> change" will work.
>>
> 
>> +static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
>> +{
>> +	...
>> +
>> +	/* finish up */
>> +	if (q->perturb_period) {
>> +		q->perturb_timer.expires = jiffies + q->perturb_period;
>> +		add_timer(&q->perturb_timer);
>> +	} else {
>> +		q->perturbation = 0;
> 
> 
> Seems counter-productive to explicitly set it to zero since
> it was still used during tranfering the packets with the
> old value. So I'd suggest to remove this or alternatively
> set it to the final value *before* transfering the packets.

I suppose so; you're right. I'll adapt that part to fit before 
transferring the packets.

-Corey
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