.BI (io_uring,libaio)cmdprio_percentage \fR=\fPint[,int]
Set the percentage of I/O that will be issued with the highest priority.
Default: 0. A single value applies to reads and writes. Comma-separated
-values may be specified for reads and writes. This option cannot be used
-with the `prio` or `prioclass` options. For this option to be effective,
+values may be specified for reads and writes. For this option to be effective,
NCQ priority must be supported and enabled, and `direct=1' option must be
used. fio must also be run as the root user.
.TP