linux-kernel - [PATCH RFC 16/25] net: Move rtnetlink_net_ops to pernet

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Date:   Fri, 17 Nov 2017 21:29:50 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, vyasevic@...hat.com,
        kstewart@...uxfoundation.org, pombredanne@...b.com,
        vyasevich@...il.com, mark.rutland@....com,
        gregkh@...uxfoundation.org, adobriyan@...il.com, fw@...len.de,
        nicolas.dichtel@...nd.com, xiyou.wangcong@...il.com,
        roman.kapl@...go.com, paul@...l-moore.com, dsahern@...il.com,
        daniel@...earbox.net, lucien.xin@...il.com,
        mschiffer@...verse-factory.net, rshearma@...cade.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        ktkhai@...tuozzo.com, ebiederm@...ssion.com, avagin@...tuozzo.com,
        gorcunov@...tuozzo.com, eric.dumazet@...il.com,
        stephen@...workplumber.org, ktkhai@...tuozzo.com
Subject: [PATCH RFC 16/25] net: Move rtnetlink_net_ops to pernet_sys list

rtnetlink_net_ops are added the same core initcall
as netlink_net_ops, so they has to be added right
after netlink_net_ops.

rtnetlink_net_init() and rtnetlink_net_exit()
create and destroy netlink socket. It looks like,
another pernet_operations are not interested in
foreiner net::rtnl, so rtnetlink_net_ops may be
safely moved to pernet_sys list.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 net/core/rtnetlink.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index cb06d43c4230..d9cf13554e4d 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4503,7 +4503,7 @@ void __init rtnetlink_init(void)
 	for (i = 0; i < ARRAY_SIZE(rtnl_msg_handlers_ref); i++)
 		refcount_set(&rtnl_msg_handlers_ref[i], 1);
 
-	if (register_pernet_subsys(&rtnetlink_net_ops))
+	if (register_pernet_sys(&rtnetlink_net_ops))
 		panic("rtnetlink_init: cannot initialize rtnetlink\n");
 
 	register_netdevice_notifier(&rtnetlink_dev_notifier);