+static void ide_end_sync_rq(struct request *rq, int error)
+{
+ complete(rq->end_io_data);
+}
+
+static int ide_pm_execute_rq(struct request *rq)
+{
+ struct request_queue *q = rq->q;
+ DECLARE_COMPLETION_ONSTACK(wait);
+
+ rq->end_io_data = &wait;
+ rq->end_io = ide_end_sync_rq;
+
+ spin_lock_irq(q->queue_lock);
+ if (unlikely(blk_queue_dying(q))) {
+ rq->cmd_flags |= REQ_QUIET;
+ rq->errors = -ENXIO;
+ __blk_end_request_all(rq, rq->errors);
+ spin_unlock_irq(q->queue_lock);
+ return -ENXIO;
+ }
+ __elv_add_request(q, rq, ELEVATOR_INSERT_FRONT);
+ __blk_run_queue_uncond(q);
+ spin_unlock_irq(q->queue_lock);
+
+ wait_for_completion_io(&wait);
+
+ return rq->errors ? -EIO : 0;
+}
+