netdev - Re: [PATCH net-next 6/7] sch_netem: clear old rate when old qdisc's replaced

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Message-ID: <1392381784.24974.4.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 14 Feb 2014 04:43:04 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Yang Yingliang <yangyingliang@...wei.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	stephen@...workplumber.org
Subject: Re: [PATCH net-next 6/7] sch_netem: clear old rate when old qdisc's
 replaced

On Fri, 2014-02-14 at 16:36 +0800, Yang Yingliang wrote:
> If we set a netem qdisc with rate option, while we
> use "#tc qdisc replace ..." that without rate option
> to replace the old qdisc, the old rate is still there.
> We need clear old rate after qdisc's replaced.

Wait... Have you tested :

tc qdisc change ...

This is far more needed than 'replace' : 

You (meaning user scripts) can implement replace by delete + create, but
'tc qdisc change' needs current code.



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