File 59-dasd.rules-wait_for.patch of Package s390-tools.18705
--- a/etc/udev/rules.d/59-dasd.rules 2017-09-25 08:15:15.000000000 -0400 +++ b/etc/udev/rules.d/59-dasd.rules 2021-03-04 17:41:13.272595643 -0500 @@ -30,6 +30,6 @@ SUBSYSTEM!="block", GOTO="sched_end" ACTION!="change", GOTO="sched_end" -KERNEL=="dasd*[!0-9]", TEST=="queue/scheduler", ATTR{queue/scheduler}="deadline" +KERNEL=="dasd*[!0-9]", TEST=="queue/scheduler", ATTR{queue/scheduler}="mq-deadline" LABEL="sched_end"