- if (deadline_check_fifo(dd, data_dir)) {
- /* An expired request exists - satisfy it */
- dd->batching = 0;
+ if (deadline_check_fifo(dd, data_dir) || !dd->next_rq[data_dir]) {
+ /*
+ * A deadline has expired, the last request was in the other
+ * direction, or we have run out of higher-sectored requests.
+ * Start again from the request with the earliest expiry time.
+ */