[PATCH] Keep the bio end_io parts inside of bio.c for blk_rq_map_kern()

Signed-off-by: NJens Axboe <axboe@suse.de>

drivers/block/ll_rw_blk.c

@@ -2177,16 +2177,6 @@ int blk_rq_unmap_user(struct request *rq, struct bio *bio, unsigned int ulen)
 
 EXPORT_SYMBOL(blk_rq_unmap_user);
 
-static int blk_rq_map_kern_endio(struct bio *bio, unsigned int bytes_done,
-				 int error)
-{
-	if (bio->bi_size)
-		return 1;
-
-	bio_put(bio);
-	return 0;
-}
-
 /**
  * blk_rq_map_kern - map kernel data to a request, for REQ_BLOCK_PC usage
  * @q:		request queue where request should be inserted
@@ -2213,7 +2203,6 @@ struct request *blk_rq_map_kern(request_queue_t *q, int rw, void *kbuf,
 	if (!IS_ERR(bio)) {
 		if (rw)
 			bio->bi_rw |= (1 << BIO_RW);
-		bio->bi_end_io = blk_rq_map_kern_endio;
 
 		rq->bio = rq->biotail = bio;
 		blk_rq_bio_prep(q, rq, bio);

fs/bio.c

@@ -701,6 +701,16 @@ void bio_unmap_user(struct bio *bio)
 	bio_put(bio);
 }
 
+static int bio_map_kern_endio(struct bio *bio, unsigned int bytes_done, int err)
+{
+	if (bio->bi_size)
+		return 1;
+
+	bio_put(bio);
+	return 0;
+}
+
+
 static struct bio *__bio_map_kern(request_queue_t *q, void *data,
 				  unsigned int len, unsigned int gfp_mask)
 {
@@ -734,6 +744,7 @@ static struct bio *__bio_map_kern(request_queue_t *q, void *data,
 		offset = 0;
 	}
 
+	bio->bi_end_io = bio_map_kern_endio;
 	return bio;
 }