- Additionally this option does not work when :option:`io_submit_mode` is set to
- offload. Default: false.
+
+ This option only applies to I/Os issued for a single job except when it is
+ enabled along with :option:`io_submit_mode`=offload. In offload mode, fio
+ will check for overlap among all I/Os submitted by offload jobs with :option:`serialize_overlap`
+ enabled.
+
+ Default: false.