On 2 Dec 2022, at 17.58, Keith Busch [off-list ref] wrote:

On Fri, Dec 02, 2022 at 08:16:30AM +0100, Hannes Reinecke wrote:

quoted

quoted

On 12/1/22 20:39, Matthew Wilcox wrote:
On Thu, Dec 01, 2022 at 06:12:46PM +0000, Chaitanya Kulkarni wrote:

quoted

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. 

I will check internally if there is any existing proof-of-work that we are missing.