netdev - Re: [PATCH iproute2] fq: don't allow set options to zero

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Date:	Mon, 12 May 2014 14:51:14 +0800
From:	Yang Yingliang <yangyingliang@...wei.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	<stephen@...workplumber.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2] fq: don't allow set options to zero

On 2014/5/12 13:58, Eric Dumazet wrote:
> On Mon, 2014-05-12 at 12:18 +0800, Yang Yingliang wrote:
>> Now options of fair queue can be zero but cannot be (~0U).
>> Zero is useless, so don't allow set the options to zero.
>> Also, maxrate cannot be reset to unlimited because it
>> cannot be (~0U).
>>
>> Cc: Eric Dumazet <edumazet@...gle.com>
>> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
>> ---
>>  tc/q_fq.c | 24 ++++++++++++------------
>>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> No, you are changing behavior for existing scripts.
> 
> If you really want to fix these cases, you need to do it properly.
> 

Do you mean allow options set to zero changing the behavior ?

Regards,
Yang


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