Right, and what we're talking about is going further and requiring that WCE=0
and ordered tag means the data for previous commands is *not* in the buffer,
i.e., on the platter, which is the only interpretation that makes sense.
> > > So if one vendor implements those semantics, but the others don't where
> > > does that leave us?
> >
> > It leaves us with a vendor we want to buy our drives from, if we want our
> > data to be safe.
>
> The point is, do you write code that depends on one vendor's interpretation?
Yes, that's the idea. And we need some way of knowing which vendors have
interpreted the scsi spec in the way that maximizes both throughput and
safety. That's the 'whitelist'.
> If so, then the vendor needs to be identified. Perhaps other vendors will
> then align themselves.
I'm sure they will.
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