* 'master' of https://github.com/bvanassche/fio:
Ensure that .minfp and .maxfp are respected for FIO_OPT_FLOAT_LIST
option parsing: Mark arguments that are not modified as 'const'
parse.h: Remove a superfluous cast
Only populate the write buffer if necessary
Rename TD_F_VER_NONE into TD_F_DO_VERIFY
engines/sg: Make I/O error messages more informative