[PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique

[Christoph Hellwig]

On Fri, Apr 08, 2022 at 10:46:59AM -0700, Luis Chamberlain wrote:
> The above note from Klaus seems to indicate this is not yet fixed on
> qemu for eu64. Please correct me if I'm wring Klaus.
> 
> However, what I'm seeing seems to show that the uuid is same uuid as
> well when not using -device nvme-ns but just -device nvme (this is
> called legacy now it seems?) without the uuid set you end up in the
> situation I described. I just destroyed my guests and started from
> scratch a set up using qemu-system-x86_64 v6.2.0 on debian-testing,
> and end up in a different situation but it is still a bit perplexing.

With my usual qemu test setup (built from a git a few weeks ago), no
uuid shows up unless explicitly set.