cgroup: introduce cancel_attach()

[deliverable/linux.git] / include / linux / cgroup.h

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c9bbcb2a75aecbacdb1463cf08a2b0a26d0f264b..d08cfe7e12e5f48036a84f6014fc983f052c2051 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -428,6 +428,8 @@ struct cgroup_subsys {
        void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
        int (*can_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
                          struct task_struct *tsk, bool threadgroup);
+       void (*cancel_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
+                         struct task_struct *tsk, bool threadgroup);
        void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
                        struct cgroup *old_cgrp, struct task_struct *tsk,
                        bool threadgroup);