nsfs: add ioctl to get a parent namespace

[mirror_ubuntu-zesty-kernel.git] / include / linux / proc_ns.h

diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index ca85a4348ffcb690d94855fe01515ca6ca6f6f8a..12cb8bd81d2d12b734c83059fb0b0759ee0c92c3 100644 (file)
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -19,6 +19,7 @@ struct proc_ns_operations {
        void (*put)(struct ns_common *ns);
        int (*install)(struct nsproxy *nsproxy, struct ns_common *ns);
        struct user_namespace *(*owner)(struct ns_common *ns);
+       struct ns_common *(*get_parent)(struct ns_common *ns);
 };
 
 extern const struct proc_ns_operations netns_operations;