netdev - Re: [PATCH] sch_htb.c consume the classes's tokens bellow the HTB_CAN

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Message-ID: <412e6f7f0911040401g5a8d58b0yc8c1637d419094f2@mail.gmail.com>
Date:	Wed, 4 Nov 2009 20:01:23 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Jamal Hadi Salim <hadi@...erus.ca>, devik@....cz,
	netdev@...r.kernel.org
Subject: Re: [PATCH] sch_htb.c consume the classes's tokens bellow the 
	HTB_CAN_SEND level

On Wed, Nov 4, 2009 at 7:49 PM, Jarek Poplawski <jarkao2@...il.com> wrote:
> On Wed, Nov 04, 2009 at 07:21:48PM +0800, Changli Gao wrote:
>>
>> I don't think so. Although a class's tokens may be negative, but its
>> ctokens may be positive. Charging its tokens is to prevent its cmode
>> from being changed to HTB_CAN_SEND from HTB_CANT_SEND directly.
>
> I think, you should really better show some tests proving your patch
> is needed and doesn't affect a case I described, instead of trying to
> discuss the meaninig of all HTB variables here.
>

I test it before sending it here, but it doesn't show any obvious
difference as Martin said, no worse and no better. I don't know how to
construct a test to show you the bad effect you worry about. Any
suggestion about the test?

-- 
Regards，
Changli Gao(xiaosuo@...il.com)
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