netdev - [PATCH 11/16] net: Convert ip6_flowlabel_net

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Message-ID: <151903020946.32574.8986412443356323801.stgit@localhost.localdomain>
Date:   Mon, 19 Feb 2018 11:50:09 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, avagin@...tuozzo.com, pablo@...filter.org,
        kadlec@...ckhole.kfki.hu, fw@...len.de, yoshfuji@...ux-ipv6.org,
        afaerber@...e.de, steffen.klassert@...unet.com,
        herbert@...dor.apana.org.au, johannes@...solutions.net,
        netdev@...r.kernel.org, ktkhai@...tuozzo.com
Subject: [PATCH 11/16] net: Convert ip6_flowlabel_net_ops

These pernet_operations create and destroy /proc entries.
ip6_fl_purge() makes almost the same actions as timer
ip6_fl_gc_timer does, and as it can be executed in parallel
with ip6_fl_purge(), two parallel ip6_fl_purge() may be
executed. So, we can mark it async.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 net/ipv6/ip6_flowlabel.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 3dab664ff503..6ddf52282894 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -873,6 +873,7 @@ static void __net_exit ip6_flowlabel_net_exit(struct net *net)
 static struct pernet_operations ip6_flowlabel_net_ops = {
 	.init = ip6_flowlabel_proc_init,
 	.exit = ip6_flowlabel_net_exit,
+	.async = true,
 };
 
 int ip6_flowlabel_init(void)