[PATCH 0/6] block: add support for REQ_OP_VERIFY

[Javier González]

On 04.12.2022 20:29, Keith Busch wrote:
>On Sat, Dec 03, 2022 at 07:19:17AM +0300, Javier González wrote:
>>
>> > On 2 Dec 2022, at 17.58, Keith Busch <kbusch at kernel.org> wrote:
>> >
>> > On Fri, Dec 02, 2022 at 08:16:30AM +0100, Hannes Reinecke wrote:
>> >>> On 12/1/22 20:39, Matthew Wilcox wrote:
>> >>> On Thu, Dec 01, 2022 at 06:12:46PM +0000, Chaitanya Kulkarni wrote:
>> >>>> So nobody can get away with a lie.
>> >>>
>> >>> And yet devices do exist which lie.  I'm not surprised that vendors
>> >>> vehemently claim that they don't, or "nobody would get away with it".
>> >>> But, of course, they do.  And there's no way for us to find out if
>> >>> they're lying!
>> >>>
>> >> But we'll never be able to figure that out unless we try.
>> >>
>> >> Once we've tried we will have proof either way.
>> >
>> > As long as the protocols don't provide proof-of-work, trying this
>> > doesn't really prove anything with respect to this concern.
>>
>> Is this something we should bring to NVMe? Seems like the main disagreement can be addressed there.
>
>Yeah, proof for the host appears to require a new feature, so we'd need
>to bring this to the TWG. I can draft a TPAR if there's interest and
>have ideas on how the feature could be implemented, but I currently
>don't have enough skin in this game to sponser it.

Happy to review the TPAR, but I am in a similar situation.