2 files changed, 4 insertions, 15 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b2a412cf468f..8f5486964671 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -229,6 +229,8 @@ struct request {
         struct bio *bio;
         struct bio *biotail;
 
+        struct hlist_node hash; /* merge hash */
+
         void *elevator_private;
         void *completion_data;
 
@@ -697,21 +699,6 @@ static inline void blkdev_dequeue_request(struct request *req)
 }
 
 /*
- * This should be in elevator.h, but that requires pulling in rq and q
- */
-static inline void elv_dispatch_add_tail(struct request_queue *q,
-                                         struct request *rq)
-{
-        if (q->last_merge == rq)
-                q->last_merge = NULL;
-        q->nr_sorted--;
-
-        q->end_sector = rq_end_sector(rq);
-        q->boundary_rq = rq;
-        list_add_tail(&rq->queuelist, &q->queue_head);
-}
-
-/*
  * Access functions for manipulating queue properties
  */
 extern request_queue_t *blk_init_queue_node(request_fn_proc *rfn,
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);