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

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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.



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