diff --git a/ioengines.c b/ioengines.c
index 9e1c556..fb68763 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -198,6 +198,8 @@
 	if (td->io_ops->getevents)
 		r = td->io_ops->getevents(td, min, max, t);
 out:
+	if (r >= 0)
+		io_u_mark_complete(td, r);
 	dprint(FD_IO, "getevents: %d\n", r);
 	return r;
 }
@@ -237,6 +239,11 @@
 
 	unlock_file(td, io_u->file);
 
+	if (!td->io_ops->commit) {
+		io_u_mark_submit(td, 1);
+		io_u_mark_complete(td, 1);
+	}
+
 	if (ret == FIO_Q_COMPLETED) {
 		if (io_u->ddir != DDIR_SYNC) {
 			io_u_mark_depth(td, 1);