[NETNS]: /proc/net/arp namespacing.
Seqfile operation showing /proc/net/arp are already namespace
aware. All we need is to register this file for each namespace.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 6d90ec5..832473e 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1377,13 +1377,29 @@
.release = seq_release_net,
};
-static int __init arp_proc_init(void)
+
+static int __net_init arp_net_init(struct net *net)
{
- if (!proc_net_fops_create(&init_net, "arp", S_IRUGO, &arp_seq_fops))
+ if (!proc_net_fops_create(net, "arp", S_IRUGO, &arp_seq_fops))
return -ENOMEM;
return 0;
}
+static void __net_exit arp_net_exit(struct net *net)
+{
+ proc_net_remove(net, "arp");
+}
+
+static struct pernet_operations arp_net_ops = {
+ .init = arp_net_init,
+ .exit = arp_net_exit,
+};
+
+static int __init arp_proc_init(void)
+{
+ return register_pernet_subsys(&arp_net_ops);
+}
+
#else /* CONFIG_PROC_FS */
static int __init arp_proc_init(void)