From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 14 Jun 2010 14:15:23 +0000 (+0200)
Subject: netfilter: nfnetlink_log: RCU conversion, part 2
X-Git-Tag: v2.6.36-rc1~571^2~577^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5c5440d40a24c5dc8030cde0a03debe87de4afb;p=pandora-kernel.git

netfilter: nfnetlink_log: RCU conversion, part 2

- must use atomic_inc_not_zero() in instance_lookup_get()

- must use hlist_add_head_rcu() instead of hlist_add_head()

- must use hlist_del_rcu() instead of hlist_del()

- Introduce NFULNL_COPY_DISABLED to stop lockless reader from using an
instance, before we do final instance_put() on it.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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