[Compass-ci] Re: [PATCH v5 lkp-tests 2/2] tests/iozone: add specified parameter for iozone test

Please combine these into 1 single parameter which support different named values.

• [ -n "$write_rewrite" ] && args+=" -i 0"
• [ -n "$read_reread" ] && args+=" -i 1"
• [ -n "$random_read_write" ] && args+=" -i 2"
• [ -n "$read_backwards" ] && args+=" -i 3"
• [ -n "$rewrite_record" ] && args+=" -i 4"
• [ -n "$stride_read" ] && args+=" -i 5"
• [ -n "$fwrite_refwrite" ] && args+=" -i 6"
• [ -n "$fread_refread" ] && args+=" -i 7"
• [ -n "$random_mix" ] && args+=" -i 8"
• [ -n "$pwrite_repwrite" ] && args+=" -i 9"
• [ -n "$pread_repread" ] && args+=" -i 10"
• [ -n "$pwritev_repwritev" ] && args+=" -i 11"
• [ -n "$preadv_repreadv" ] && args+=" -i 12"