netns: make nsid_lock per net
[firefly-linux-kernel-4.4.55.git] / include / net / net_namespace.h
index 3f850acc844e7ca99143afc144e6017bc88fce28..72eb2372329453e2f118a9af1627c7ad27e50721 100644 (file)
@@ -58,6 +58,7 @@ struct net {
        struct list_head        exit_list;      /* Use only net_mutex */
 
        struct user_namespace   *user_ns;       /* Owning user namespace */
+       spinlock_t              nsid_lock;
        struct idr              netns_ids;
 
        struct ns_common        ns;