is incremented for each sub-job (i.e. when :option:`numjobs` option is
specified). This option is useful if there are several jobs which are
intended to operate on a file in parallel disjoint segments, with even
- spacing between the starting points.
+ spacing between the starting points. Percentages can be used for this option.
+ If a percentage is given, the generated offset will be aligned to the minimum
+ ``blocksize`` or to the value of ``offset_align`` if provided.
.. option:: number_ios=int
map and release for each IO. This is more efficient, and reduces the
IO latency as well.
+.. option:: registerfiles : [io_uring]
+ With this option, fio registers the set of files being used with the
+ kernel. This avoids the overhead of managing file counts in the kernel,
+ making the submission and completion part more lightweight. Required
+ for the below :option:`sqthread_poll` option.
+
.. option:: sqthread_poll : [io_uring]
Normally fio will submit IO by issuing a system call to notify the