From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Wed, 30 Jan 2013 09:27:58 +0000 (+0000)
Subject: ipv6 anycast: Convert ipv6_sk_ac_lock to spinlock.
X-Git-Tag: v3.9-rc1~139^2~200
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c33e7b05f1411b97cd0260ae682fc1cdb27bfaa4;p=pandora-kernel.git

ipv6 anycast: Convert ipv6_sk_ac_lock to spinlock.

Since all users are write-lock, it does not make sense to use
rwlock here.  Use simple spinlock.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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