1 files changed, 11 insertions, 1 deletions

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 3ae491932bc8..aef430d779bd 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -7,6 +7,7 @@
 #include <asm/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/list.h>
+#include <linux/sysctl.h>
 
 #include <net/netns/core.h>
 #include <net/netns/mib.h>
@@ -34,8 +35,11 @@ struct netns_ipvs;
 #define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
 
 struct net {
+        atomic_t                passive;        /* To decided when the network
+                                                 * namespace should be freed.
+                                                 */
         atomic_t                count;          /* To decided when the network
-                                                 *  namespace should be freed.
+                                                 *  namespace should be shut down.
                                                  */
 #ifdef NETNS_REFCNT_DEBUG
         atomic_t                use_count;      /* To track references we
@@ -119,6 +123,7 @@ static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns)
 extern struct list_head net_namespace_list;
 
 extern struct net *get_net_ns_by_pid(pid_t pid);
+extern struct net *get_net_ns_by_fd(int pid);
 
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
@@ -152,6 +157,9 @@ int net_eq(const struct net *net1, const struct net *net2)
 {
         return net1 == net2;
 }
+
+extern void net_drop_ns(void *);
+
 #else
 
 static inline struct net *get_net(struct net *net)
@@ -173,6 +181,8 @@ int net_eq(const struct net *net1, const struct net *net2)
 {
         return 1;
 }
+
+#define net_drop_ns NULL
 #endif