From: Eric W. Biederman <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 20:22:55 +0000 (-0800)
Subject: net: Allow fib_rule_unregister to batch
X-Git-Tag: v2.6.33-rc1~388^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9c5158ac26affd5d8ce006521bdfb7148090e18;p=pandora-kernel.git

net: Allow fib_rule_unregister to batch

Refactor the code so fib_rules_register always takes a template instead
of the actual fib_rules_ops structure that will be used.  This is
required for network namespace support so 2 out of the 3 callers already
do this, it allows the error handling to be made common, and it allows
fib_rules_unregister to free the template for hte caller.

Modify fib_rules_unregister to use call_rcu instead of syncrhonize_rcu
to allw multiple namespaces to be cleaned up in the same rcu grace
period.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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