knfsd: add file to export stats about nfsd pools

[firefly-linux-kernel-4.4.55.git] / include / linux / cgroup.h

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index e4e8e117d27d9171f23cdc54b69011758243c3da..499900d0cee7110748229ee3898b50734352e5e4 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -378,6 +378,7 @@ struct cgroup_subsys {
         * - initiating hotplug events
         */
        struct mutex hierarchy_mutex;
+       struct lock_class_key subsys_key;
 
        /*
         * Link to parent, and list entry in parent's children.