1 files changed, 1 insertions, 0 deletions

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 5873861e1dbb..d99d402953a3 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -2558,6 +2558,7 @@ int blk_rq_map_kern(request_queue_t *q, struct request *rq, void *kbuf,
                 bio->bi_rw |= (1 << BIO_RW);
 
         blk_rq_bio_prep(q, rq, bio);
+        blk_queue_bounce(q, &rq->bio);
         rq->buffer = rq->data = NULL;
         return 0;
 }