Re: [PATCH v6 2/9] block: Add encryption context to struct bio

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Christoph,

>> Absolutely. That's why it's a union. Putting your stuff there is a
>> prerequisite as far as I'm concerned. No need to grow the bio when the
>> two features are unlikely to coexist. We can revisit that later should
>> the need arise.
>
> With NVMe key per I/O support some form of inline encryption and PI are
> very likely to be used together in the not too far future.

I don't disagree that we'll have to manage coexistence eventually. Hence
my comments about being able to chain multiple things to a bio.

In the immediate term, though, I think it makes sense to leverage the
integrity pointer to avoid growing struct bio.

-- 
Martin K. Petersen	Oracle Linux Engineering



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