1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 1713ace808bf..2c270e90b33e 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -82,12 +82,14 @@ struct elevator_queue
         struct kobject kobj;
         struct elevator_type *elevator_type;
         struct mutex sysfs_lock;
+        struct hlist_head *hash;
 };
 
 /*
  * block elevator interface
  */
 extern void elv_dispatch_sort(request_queue_t *, struct request *);
+extern void elv_dispatch_add_tail(request_queue_t *, struct request *);
 extern void elv_add_request(request_queue_t *, struct request *, int, int);
 extern void __elv_add_request(request_queue_t *, struct request *, int, int);
 extern void elv_insert(request_queue_t *, struct request *, int);