[PATCH] uninline elv_next_request()

Uninline elv_next_request() and move it to elevator.c, where it belongs.
Because of CURRENT declaration, this actually saves lots of space.  From
Andrew.

drivers/block/elevator.c

@@ -388,11 +388,43 @@ void __elv_add_request(request_queue_t *q, struct request *rq,
 	q->elevator.elevator_add_req_fn(q, rq, insert_here);
 }
 
-struct request *__elv_next_request(request_queue_t *q)
+static inline struct request *__elv_next_request(request_queue_t *q)
 {
 	return q->elevator.elevator_next_req_fn(q);
 }
 
+struct request *elv_next_request(request_queue_t *q)
+{
+	struct request *rq;
+
+	while ((rq = __elv_next_request(q))) {
+		rq->flags |= REQ_STARTED;
+
+		if (&rq->queuelist == q->last_merge)
+			q->last_merge = NULL;
+
+		if ((rq->flags & REQ_DONTPREP) || !q->prep_rq_fn)
+			break;
+
+		/*
+		 * all ok, break and return it
+		 */
+		if (!q->prep_rq_fn(q, rq))
+			break;
+
+		/*
+		 * prep said no-go, kill it
+		 */
+		blkdev_dequeue_request(rq);
+		if (end_that_request_first(rq, 0, rq->nr_sectors))
+			BUG();
+
+		end_that_request_last(rq);
+	}
+
+	return rq;
+}
+
 void elv_remove_request(request_queue_t *q, struct request *rq)
 {
 	elevator_t *e = &q->elevator;
@@ -423,7 +455,7 @@ EXPORT_SYMBOL(elevator_linus);
 EXPORT_SYMBOL(elevator_noop);
 
 EXPORT_SYMBOL(__elv_add_request);
-EXPORT_SYMBOL(__elv_next_request);
+EXPORT_SYMBOL(elv_next_request);
 EXPORT_SYMBOL(elv_remove_request);
 EXPORT_SYMBOL(elevator_exit);
 EXPORT_SYMBOL(elevator_init);

include/linux/blk.h

@@ -40,6 +40,7 @@ void initrd_init(void);
 
 extern int end_that_request_first(struct request *, int, int);
 extern void end_that_request_last(struct request *);
+struct request *elv_next_request(request_queue_t *q);
 
 static inline void blkdev_dequeue_request(struct request *req)
 {
@@ -49,38 +50,6 @@ static inline void blkdev_dequeue_request(struct request *req)
 		elv_remove_request(req->q, req);
 }
 
-extern inline struct request *elv_next_request(request_queue_t *q)
-{
-	struct request *rq;
-
-	while ((rq = __elv_next_request(q))) {
-		rq->flags |= REQ_STARTED;
-
-		if (&rq->queuelist == q->last_merge)
-			q->last_merge = NULL;
-
-		if ((rq->flags & REQ_DONTPREP) || !q->prep_rq_fn)
-			break;
-
-		/*
-		 * all ok, break and return it
-		 */
-		if (!q->prep_rq_fn(q, rq))
-			break;
-
-		/*
-		 * prep said no-go, kill it
-		 */
-		blkdev_dequeue_request(rq);
-		if (end_that_request_first(rq, 0, rq->nr_sectors))
-			BUG();
-
-		end_that_request_last(rq);
-	}
-
-	return rq;
-}
-
 #define _elv_add_request_core(q, rq, where, plug)			\
 	do {								\
 		if ((plug))						\

include/linux/elevator.h

@@ -40,7 +40,6 @@ struct elevator_s
  */
 extern void __elv_add_request(request_queue_t *, struct request *,
 			      struct list_head *);
-extern struct request *__elv_next_request(request_queue_t *);
 extern void elv_merge_cleanup(request_queue_t *, struct request *, int);
 extern int elv_merge(request_queue_t *, struct request **, struct bio *);
 extern void elv_merge_requests(request_queue_t *, struct request *,