1 files changed, 13 insertions, 3 deletions

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index c56f211c8440..8ec0ba9f5386 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -536,12 +536,21 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
 }
 
 /*
+ * Nothing to do here. This is defined only to ensure that .finish_request
+ * method is called upon request completion.
+ */
+static void dd_prepare_request(struct request *rq, struct bio *bio)
+{
+}
+
+/*
  * For zoned block devices, write unlock the target zone of
  * completed write requests. Do this while holding the zone lock
  * spinlock so that the zone is never unlocked while deadline_fifo_request()
- * while deadline_next_request() are executing.
+ * or deadline_next_request() are executing. This function is called for
+ * all requests, whether or not these requests complete successfully.
  */
-static void dd_completed_request(struct request *rq)
+static void dd_finish_request(struct request *rq)
 {
         struct request_queue *q = rq->q;
 
@@ -756,7 +765,8 @@ static struct elevator_type mq_deadline = {
         .ops.mq = {
                 .insert_requests        = dd_insert_requests,
                 .dispatch_request       = dd_dispatch_request,
-                .completed_request      = dd_completed_request,
+                .prepare_request        = dd_prepare_request,
+                .finish_request         = dd_finish_request,
                 .next_request           = elv_rb_latter_request,
                 .former_request         = elv_rb_former_request,
                 .bio_merge              = dd_bio_merge,