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]