1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index d58a958444ab..095248082b7e 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -226,6 +226,12 @@ struct cftype {
          */
         int (*read_map) (struct cgroup *cont, struct cftype *cft,
                          struct cgroup_map_cb *cb);
+        /*
+         * read_seq_string() is used for outputting a simple sequence
+         * using seqfile.
+         */
+        int (*read_seq_string) (struct cgroup *cont, struct cftype *cft,
+                         struct seq_file *m);
 
         ssize_t (*write) (struct cgroup *cgrp, struct cftype *cft,
                           struct file *file,