* 'readonly-trim' of https://github.com/vincentkfu/fio:
testing: add test script for readonly parameter
doc: improve readonly option description
options: check for conflict between trims and readonly option
init: abort write and trim jobs when --readonly option is present
init: ensure that fatal errors in fixup_options are always propogated to caller
filesetup: make trim jobs respect --readonly during file open
fio.h: also check trim operations in fio_ro_check