From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 8 Oct 2008 09:35:02 +0000 (+0200)
Subject: netfilter: netns nf_conntrack: add ->ct_net -- pointer from conntrack to netns
X-Git-Tag: v2.6.28-rc1~717^2~109^2~67
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a1fb391d881905e89623d78858d05b248cbc86a;p=pandora-kernel.git

netfilter: netns nf_conntrack: add ->ct_net -- pointer from conntrack to netns

Conntrack (struct nf_conn) gets pointer to netns: ->ct_net -- netns in which
it was created. It comes from netdevice.

->ct_net is write-once field.

Every conntrack in system has ->ct_net initialized, no exceptions.

->ct_net doesn't pin netns: conntracks are recycled after timeouts and
pinning background traffic will prevent netns from even starting shutdown
sequence.

Right now every conntrack is created in init_net.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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