diff --git a/[refs] b/[refs]
index 12caa0254604..6ee0cc291f29 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 172124e220f1854acc99ee394671781b8b5e2120
+refs/heads/master: dbb66c4be020b01dc2f3d7c609ddb0e09d2c0af7
diff --git a/trunk/block/blk-core.c b/trunk/block/blk-core.c
index 7ae83a1e2acf..03c5a64b6ccb 100644
--- a/trunk/block/blk-core.c
+++ b/trunk/block/blk-core.c
@@ -1846,6 +1846,9 @@ void blk_start_request(struct request *req)
 	 * resid_len to full count and add the timeout handler.
 	 */
 	req->resid_len = blk_rq_bytes(req);
+	if (unlikely(blk_bidi_rq(req)))
+		req->next_rq->resid_len = blk_rq_bytes(req->next_rq);
+
 	blk_add_timer(req);
 }
 EXPORT_SYMBOL(blk_start_request);