Re: fio max blocksize

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On 7/13/18 5:59 PM, Jeff Furlong wrote:
> I fixed the buflen issue (just keep peeling the onion back and
> updating all associated vars), fixed bsrange, fixed "auto" tabs, and
> did some simple tests:
> # fio --name=test --ioengine=libaio --direct=1 --rw=trim --iodepth=1 --bs=4g --filename=/dev/nvme1n1 --number_ios=1
> # fio --name=test --ioengine=libaio --direct=1 --rw=trim --iodepth=1 --bs=1t --filename=/dev/nvme1n1 --number_ios=1
> # fio --name=test --ioengine=libaio --direct=1 --rw=trim --iodepth=1 --bsrange=4g-8g --filename=/dev/nvme1n1 --number_ios=2
> 
> The open issue I have is parsing bssplit.  I plumbed out bssplit.bs as
> a 64 bit value, but using the existing value_pair helpers (32 bit)
> seem to conflict.  Don’t really want to duplicate chunks of code, so
> open to ideas there.

I'd just convert those helpers to deal with unsigned long long always,
that should work fine for the uint case.

Just a note that I'll be out all of next week, so you'll have plenty of
time to make this perfect before I get back :-)

-- 
Jens Axboe

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