Re: [patch 3/3][netns] remove timewait sockets at cleanup

[ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)]

Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org> writes:

> From: Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
>
> 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.

Eric