5 files changed, 4 insertions, 5 deletions

diff --git a/include/linux/capability.h b/include/linux/capability.h
index d9a4f7f40f32..a6ee1f9a5018 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -210,7 +210,6 @@ extern bool has_ns_capability_noaudit(struct task_struct *t,
                                       struct user_namespace *ns, int cap);
 extern bool capable(int cap);
 extern bool ns_capable(struct user_namespace *ns, int cap);
-extern bool nsown_capable(int cap);
 extern bool inode_capable(const struct inode *inode, int cap);
 extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3b4cd8296e41..529d8711baba 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1900,6 +1900,7 @@ extern int vfs_ustat(dev_t, struct kstatfs *);
 extern int freeze_super(struct super_block *super);
 extern int thaw_super(struct super_block *super);
 extern bool our_mnt(struct vfsmount *mnt);
+extern bool fs_fully_visible(struct file_system_type *);
 
 extern int current_umask(void);
 
diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h
index f66b065a8b5f..df32d2508290 100644
--- a/include/linux/kobject_ns.h
+++ b/include/linux/kobject_ns.h
@@ -39,6 +39,7 @@ enum kobj_ns_type {
  */
 struct kobj_ns_type_operations {
         enum kobj_ns_type type;
+        bool (*current_may_mount)(void);
         void *(*grab_current_ns)(void);
         const void *(*netlink_ns)(struct sock *sk);
         const void *(*initial_ns)(void);
@@ -50,6 +51,7 @@ int kobj_ns_type_registered(enum kobj_ns_type type);
 const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
 
+bool kobj_ns_current_may_mount(enum kobj_ns_type type);
 void *kobj_ns_grab_current(enum kobj_ns_type type);
 const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk);
 const void *kobj_ns_initial(enum kobj_ns_type type);
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 73005f9957ea..38cd98f112a0 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -48,6 +48,7 @@ struct mnt_namespace;
 #define MNT_INTERNAL    0x4000
 
 #define MNT_LOCK_READONLY       0x400000
+#define MNT_LOCKED              0x800000
 
 struct vfsmount {
         struct dentry *mnt_root;        /* root of the mounted tree */
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 14105c26a836..4db29859464f 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -27,8 +27,6 @@ struct user_namespace {
         kuid_t                  owner;
         kgid_t                  group;
         unsigned int            proc_inum;
-        bool                    may_mount_sysfs;
-        bool                    may_mount_proc;
 };
 
 extern struct user_namespace init_user_ns;
@@ -85,6 +83,4 @@ static inline void put_user_ns(struct user_namespace *ns)
 
 #endif
 
-void update_mnt_policy(struct user_namespace *userns);
-
 #endif /* _LINUX_USER_H */