1 files changed, 23 insertions, 1 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index 10e8a64a5a5b..7a779d7c69c9 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1637,6 +1637,28 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
 EXPORT_SYMBOL_GPL(blk_insert_cloned_request);
 
 /**
+ * blkdev_dequeue_request - dequeue request and start timeout timer
+ * @req: request to dequeue
+ *
+ * Dequeue @req and start timeout timer on it.  This hands off the
+ * request to the driver.
+ *
+ * Block internal functions which don't want to start timer should
+ * call elv_dequeue_request().
+ */
+void blkdev_dequeue_request(struct request *req)
+{
+        elv_dequeue_request(req->q, req);
+
+        /*
+         * We are now handing the request to the hardware, add the
+         * timeout handler.
+         */
+        blk_add_timer(req);
+}
+EXPORT_SYMBOL(blkdev_dequeue_request);
+
+/**
  * __end_that_request_first - end I/O on a request
  * @req:      the request being processed
  * @error:    %0 for success, < %0 for error
@@ -1774,7 +1796,7 @@ static void end_that_request_last(struct request *req, int error)
                 blk_queue_end_tag(req->q, req);
 
         if (blk_queued_rq(req))
-                blkdev_dequeue_request(req);
+                elv_dequeue_request(req->q, req);
 
         if (unlikely(laptop_mode) && blk_fs_request(req))
                 laptop_io_completion();