net: Convert ip6_tnl_net_ops

These pernet_operations are similar to ip6gre_net_ops. Exit method
unregisters all net ip6_tnl tunnels, and it looks like another
pernet_operations are not interested in foreign net tunnels list.
So, it's possible to mark them async.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4b15fe9..869e2e6 100644 (file)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -2250,6 +2250,7 @@ static struct pernet_operations ip6_tnl_net_ops = {
        .exit_batch = ip6_tnl_exit_batch_net,
        .id   = &ip6_tnl_net_id,
        .size = sizeof(struct ip6_tnl_net),
+       .async = true,
 };
 
 /**