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

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Message-ID: <4700F980.3000701@trash.net>
Date:	Mon, 01 Oct 2007 15:43:28 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Corey Hickey <bugfood-ml@...ooh.org>
CC:	netdev@...r.kernel.org
Subject: Re: [PATCH 06/10] Make qdisc changeable.

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.
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