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Re: [patch 3/3][netns] remove timewait sockets at cleanup [message #20875 is a reply to message #20844] Thu, 27 September 2007 08:36 Go to previous messageGo to previous message
Daniel Lezcano is currently offline  Daniel Lezcano
Messages: 417
Registered: June 2006
Senior Member
Eric W. Biederman wrote:
> Daniel Lezcano <dlezcano@fr.ibm.com> writes:
> 
>> From: Daniel Lezcano <dlezcano@fr.ibm.com>
>>
>> Denis Lunev spotted that if we take a reference to the network namespace
>> with the timewait sockets, we will need to wait for their expiration to
>> have the network namespace freed. This is a waste of time, the timewait
>> sockets are for avoiding to receive a duplicate packet from the network,
>> if the network namespace is freed, the network stack is removed, so no
>> chance to receive any packets from the outside world.
>>
>> This patchset remove/destroy the timewait sockets when the
>> network namespace is freed.
> 
> This code is in the wrong place.  Please do the register_net_subsys
> thing so we can keep the code in  net/ipv4/inet_timewait_sock.c
> 
> This code just need to be an exit method.

Thanks Eric, I will fix that.
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