netdev - Re: [iproute2] iproute2: Allow 'ip addr flush' to loop more than 10 times.

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Message-ID: <4C59D80E.3020804@candelatech.com>
Date:	Wed, 04 Aug 2010 14:13:50 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	greearb@...il.com, netdev@...r.kernel.org
Subject: Re: [iproute2] iproute2:  Allow 'ip addr flush' to loop more than
 10 times.

On 08/04/2010 02:00 PM, Stephen Hemminger wrote:
> On Mon, 28 Jun 2010 22:55:59 -0700
> greearb@...il.com wrote:
>
>> From: Ben Greear<greearb@...delatech.com>
>>
>> The default remains at 10 for backwards compatibility.
>>
>> For instance:
>>   # ip addr flush dev eth2
>>   *** Flush remains incomplete after 10 rounds. ***
>>   # ip -l 20 addr flush dev eth2
>>   *** Flush remains incomplete after 20 rounds. ***
>>   # ip -loops 0 addr flush dev eth2
>>   #
>>
>> This is useful for getting rid of large numbers of IP
>> addresses in scripts.
>>
>> Signed-off-by: Ben Greear<greearb@...delatech.com>
>
> The current userspace driven flush behavior is crap.
> There really should be an atomic flush netlink message
> with kernel support.

No argument from me, but I've no time to figure out how
to do that properly.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com
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