netdev - [PATCH 10/33] netns ct: per-netns /proc/net/nf_conntrack

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Message-Id: <1220842990-30500-10-git-send-email-adobriyan@gmail.com>
Date:	Mon,  8 Sep 2008 07:02:47 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	kaber@...sh.net
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	containers@...ts.linux-foundation.org
Subject: [PATCH 10/33] netns ct: per-netns /proc/net/nf_conntrack_expect

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>

diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 5307316..6a09200 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -423,12 +423,13 @@ EXPORT_SYMBOL_GPL(nf_ct_expect_related);
 
 #ifdef CONFIG_PROC_FS
 struct ct_expect_iter_state {
+	struct seq_net_private p;
 	unsigned int bucket;
 };
 
 static struct hlist_node *ct_expect_get_first(struct seq_file *seq)
 {
-	struct net *net = &init_net;
+	struct net *net = seq_file_net(seq);
 	struct ct_expect_iter_state *st = seq->private;
 	struct hlist_node *n;
 
@@ -443,7 +444,7 @@ static struct hlist_node *ct_expect_get_first(struct seq_file *seq)
 static struct hlist_node *ct_expect_get_next(struct seq_file *seq,
 					     struct hlist_node *head)
 {
-	struct net *net = &init_net;
+	struct net *net = seq_file_net(seq);
 	struct ct_expect_iter_state *st = seq->private;
 
 	head = rcu_dereference(head->next);
@@ -524,7 +525,7 @@ static const struct seq_operations exp_seq_ops = {
 
 static int exp_open(struct inode *inode, struct file *file)
 {
-	return seq_open_private(file, &exp_seq_ops,
+	return seq_open_net(inode, file, &exp_seq_ops,
 			sizeof(struct ct_expect_iter_state));
 }
 
@@ -533,26 +534,26 @@ static const struct file_operations exp_file_ops = {
 	.open    = exp_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
-	.release = seq_release_private,
+	.release = seq_release_net,
 };
 #endif /* CONFIG_PROC_FS */
 
-static int exp_proc_init(void)
+static int exp_proc_init(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
 	struct proc_dir_entry *proc;
 
-	proc = proc_net_fops_create(&init_net, "nf_conntrack_expect", 0440, &exp_file_ops);
+	proc = proc_net_fops_create(net, "nf_conntrack_expect", 0440, &exp_file_ops);
 	if (!proc)
 		return -ENOMEM;
 #endif /* CONFIG_PROC_FS */
 	return 0;
 }
 
-static void exp_proc_remove(void)
+static void exp_proc_remove(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
-	proc_net_remove(&init_net, "nf_conntrack_expect");
+	proc_net_remove(net, "nf_conntrack_expect");
 #endif /* CONFIG_PROC_FS */
 }
 
@@ -581,7 +582,7 @@ int nf_conntrack_expect_init(struct net *net)
 	if (!nf_ct_expect_cachep)
 		goto err2;
 
-	err = exp_proc_init();
+	err = exp_proc_init(net);
 	if (err < 0)
 		goto err3;
 
@@ -598,7 +599,7 @@ err1:
 
 void nf_conntrack_expect_fini(struct net *net)
 {
-	exp_proc_remove();
+	exp_proc_remove(net);
 	kmem_cache_destroy(nf_ct_expect_cachep);
 	nf_ct_free_hashtable(net->ct.expect_hash, net->ct.expect_vmalloc,
 			     nf_ct_expect_hsize);
--
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