nvme defintions not used in the kernel

[Christoph Hellwig]

On Thu, Jun 29, 2017 at 10:32:28AM +0200, Johannes Thumshirn wrote:
> On Thu, Jun 29, 2017 at 08:44:04AM +0300, Sagi Grimberg wrote:
> > I agree with the latter, should we also move nvme.h to
> > uapi?
> 
> That was my first reaction as well. I'm all for it.

Absolutely not.  It's not a userspace API/ABI.  It's an internal header
that we want to be able to refactor if needed, e.g. if NVMe splits or
renames fields, or adds unions, etc.  It just happens that nvme-cli
needs the same defintions.