netdev - [PATCH net-next 16/28] net: Convert ip6gre_net

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Message-ID: <151965012309.28549.4815010654304297089.stgit@localhost.localdomain>
Date:   Mon, 26 Feb 2018 16:02:03 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, pablo@...filter.org, kadlec@...ckhole.kfki.hu,
        fw@...len.de, netdev@...r.kernel.org, kvalo@...eaurora.org,
        davem@...emloft.net, edumazet@...gle.com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, mostrows@...thlink.net,
        alex.aring@...il.com, stefan@....samsung.com, avagin@...tuozzo.com,
        ktkhai@...tuozzo.com
Subject: [PATCH net-next 16/28] net: Convert ip6gre_net_ops

These pernet_operations are similar to bond_net_ops. Exit method
unregisters all net ip6gre devices, and it looks like another
pernet_operations are not interested in foreign net ip6gre list
or net_generic()->tunnels_wc. Init method registers net device.
So, it's possible to mark them async.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 net/ipv6/ip6_gre.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3c353125546d..3026662a6413 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1517,6 +1517,7 @@ static struct pernet_operations ip6gre_net_ops = {
 	.exit_batch = ip6gre_exit_batch_net,
 	.id   = &ip6gre_net_id,
 	.size = sizeof(struct ip6gre_net),
+	.async = true,
 };
 
 static int ip6gre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[],