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authorEric W. Biederman <ebiederm@xmission.com>2007-09-12 06:01:34 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 19:49:06 -0400
commit457c4cbc5a3dde259d2a1f15d5f9785290397267 (patch)
treea2ceee88780cbce27433b9a4434b3e9251efd81a /net/ipv4/arp.c
parent07feaebfcc10cd35e745c7073667935246494bee (diff)
[NET]: Make /proc/net per network namespace
This patch makes /proc/net per network namespace. It modifies the global variables proc_net and proc_net_stat to be per network namespace. The proc_net file helpers are modified to take a network namespace argument, and all of their callers are fixed to pass &init_net for that argument. This ensures that all of the /proc/net files are only visible and usable in the initial network namespace until the code behind them has been updated to be handle multiple network namespaces. Making /proc/net per namespace is necessary as at least some files in /proc/net depend upon the set of network devices which is per network namespace, and even more files in /proc/net have contents that are relevant to a single network namespace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 9ab9d534fbac..78dd3443016c 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -103,6 +103,7 @@
103#include <linux/sysctl.h> 103#include <linux/sysctl.h>
104#endif 104#endif
105 105
106#include <net/net_namespace.h>
106#include <net/ip.h> 107#include <net/ip.h>
107#include <net/icmp.h> 108#include <net/icmp.h>
108#include <net/route.h> 109#include <net/route.h>
@@ -1400,7 +1401,7 @@ static const struct file_operations arp_seq_fops = {
1400 1401
1401static int __init arp_proc_init(void) 1402static int __init arp_proc_init(void)
1402{ 1403{
1403 if (!proc_net_fops_create("arp", S_IRUGO, &arp_seq_fops)) 1404 if (!proc_net_fops_create(&init_net, "arp", S_IRUGO, &arp_seq_fops))
1404 return -ENOMEM; 1405 return -ENOMEM;
1405 return 0; 1406 return 0;
1406} 1407}