1 files changed, 7 insertions, 18 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6b6616a41baa..4720f68f817e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -192,9 +192,6 @@ struct mapped_device {
 	/* forced geometry settings */
 	struct hd_geometry geometry;
 
-	/* For saving the address of __make_request for request based dm */
-	make_request_fn *saved_make_request_fn;
-
 	/* sysfs handle */
 	struct kobject kobj;
 
@@ -1403,7 +1400,7 @@ out:
  * The request function that just remaps the bio built up by
  * dm_merge_bvec.
  */
-static int _dm_request(struct request_queue *q, struct bio *bio)
+static void _dm_request(struct request_queue *q, struct bio *bio)
 {
 	int rw = bio_data_dir(bio);
 	struct mapped_device *md = q->queuedata;
@@ -1424,19 +1421,12 @@ static int _dm_request(struct request_queue *q, struct bio *bio)
 			queue_io(md, bio);
 		else
 			bio_io_error(bio);
-		return 0;
+		return;
 	}
 
 	__split_and_process_bio(md, bio);
 	up_read(&md->io_lock);
-	return 0;
-}
-
-static int dm_make_request(struct request_queue *q, struct bio *bio)
-{
-	struct mapped_device *md = q->queuedata;
-
-	return md->saved_make_request_fn(q, bio); /* call __make_request() */
+	return;
 }
 
 static int dm_request_based(struct mapped_device *md)
@@ -1444,14 +1434,14 @@ static int dm_request_based(struct mapped_device *md)
 	return blk_queue_stackable(md->queue);
 }
 
-static int dm_request(struct request_queue *q, struct bio *bio)
+static void dm_request(struct request_queue *q, struct bio *bio)
 {
 	struct mapped_device *md = q->queuedata;
 
 	if (dm_request_based(md))
-		return dm_make_request(q, bio);
-
-	return _dm_request(q, bio);
+		blk_queue_bio(q, bio);
+	else
+		_dm_request(q, bio);
 }
 
 void dm_dispatch_request(struct request *rq)
@@ -2191,7 +2181,6 @@ static int dm_init_request_based_queue(struct mapped_device *md)
 		return 0;
 
 	md->queue = q;
-	md->saved_make_request_fn = md->queue->make_request_fn;
 	dm_init_md_queue(md);
 	blk_queue_softirq_done(md->queue, dm_softirq_done);
 	blk_queue_prep_rq(md->queue, dm_prep_fn);