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authorEric W. Biederman <ebiederm@xmission.com>2009-12-03 12:22:55 -0800
committerDavid S. Miller <davem@davemloft.net>2009-12-03 12:22:55 -0800
commite9c5158ac26affd5d8ce006521bdfb7148090e18 (patch)
treea8d43fb446a1908175923f4109c977dcb84e4f91 /net/ipv4/inet_timewait_sock.c
parentnetns: Add an explicit rcu_barrier to unregister_pernet_{device|subsys} (diff)
downloadlinux-dev-e9c5158ac26affd5d8ce006521bdfb7148090e18.tar.xz
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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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