diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 76f4f69..f9b5ec3 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -79,7 +79,7 @@
 /*
  * block elevator interface
  */
-extern void elv_dispatch_insert(request_queue_t *, struct request *, int);
+extern void elv_dispatch_sort(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 int elv_merge(request_queue_t *, struct request **, struct bio *);
@@ -140,4 +140,6 @@
 	ELV_MQUEUE_MUST,
 };
 
+#define rq_end_sector(rq)	((rq)->sector + (rq)->nr_sectors)
+
 #endif