If this isn't set, fio will abort jobs that are destructive (e.g. that write)
to what appears to be a mounted device or partition. This should help catch
creating inadvertently destructive tests, not realizing that the test will
- destroy data on the mounted file system. Default: false.
+ destroy data on the mounted file system. Note that some platforms don't allow
+ writing against a mounted device regardless of this option. Default: false.
.. option:: pre_read=bool
.. option:: invalidate=bool
Invalidate the buffer/page cache parts for this file prior to starting
- I/O. Defaults to true.
+ I/O if the platform and file type support it. Defaults to true.
+ This will be ignored if :option:`pre_read` is also specified for the
+ same job.
.. option:: sync=bool