the priority bit. Non-read I/O is likely unaffected by ``cmdprio_percentage``.
This option cannot be used with the `prio` or `prioclass` options. For this
option to set the priority bit properly, NCQ priority must be supported and
- enabled and :option:`direct`\=1 option must be used.
+ enabled and :option:`direct`\=1 option must be used. fio must also be run as
+ the root user.
.. option:: fixedbufs : [io_uring]
defaults to 100.0, meaning that all I/Os must be equal or below to the value
set by :option:`latency_target`.
+.. option:: latency_run=bool
+
+ Used with :option:`latency_target`. If false (default), fio will find
+ the highest queue depth that meets :option:`latency_target` and exit. If
+ true, fio will continue running and try to meet :option:`latency_target`
+ by adjusting queue depth.
+
.. option:: max_latency=time
If set, fio will exit the job with an ETIMEDOUT error if it exceeds this