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authorDenis V. Lunev <den@openvz.org>2007-11-20 01:31:54 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 17:54:28 -0500
commite372c41401993b45c721c4d92730e7e0a79f7c1b (patch)
tree8f062f506c0578fc83b7d05c8751a7ccac96e50e /fs
parent097e66c578459f79e3a2128c54e9df5194e1419a (diff)
[NET]: Consolidate net namespace related proc files creation.
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
-rw-r--r--fs/proc/proc_net.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 0afe21ee0607..cfc4f6c072f1 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -22,10 +22,48 @@
22#include <linux/mount.h> 22#include <linux/mount.h>
23#include <linux/nsproxy.h> 23#include <linux/nsproxy.h>
24#include <net/net_namespace.h> 24#include <net/net_namespace.h>
25#include <linux/seq_file.h>
25 26
26#include "internal.h" 27#include "internal.h"
27 28
28 29
30int seq_open_net(struct inode *ino, struct file *f,
31 const struct seq_operations *ops, int size)
32{
33 struct net *net;
34 struct seq_net_private *p;
35
36 BUG_ON(size < sizeof(*p));
37
38 net = get_proc_net(ino);
39 if (net == NULL)
40 return -ENXIO;
41
42 p = __seq_open_private(f, ops, size);
43 if (p == NULL) {
44 put_net(net);
45 return -ENOMEM;
46 }
47 p->net = net;
48 return 0;
49}
50EXPORT_SYMBOL_GPL(seq_open_net);
51
52int seq_release_net(struct inode *ino, struct file *f)
53{
54 struct seq_file *seq;
55 struct seq_net_private *p;
56
57 seq = f->private_data;
58 p = seq->private;
59
60 put_net(p->net);
61 seq_release_private(ino, f);
62 return 0;
63}
64EXPORT_SYMBOL_GPL(seq_release_net);
65
66
29struct proc_dir_entry *proc_net_fops_create(struct net *net, 67struct proc_dir_entry *proc_net_fops_create(struct net *net,
30 const char *name, mode_t mode, const struct file_operations *fops) 68 const char *name, mode_t mode, const struct file_operations *fops)
31{ 69{