convert nvme to atomic queue limits updates

[Keith Busch]

On Wed, Feb 28, 2024 at 10:11:54AM -0800, Christoph Hellwig wrote:
> Hi all,
> 
> this series converts nvme to the new atomic queue limit updates, and
> as part of that refactors a lot of the setup code.  The first two
> patches are block layer patches already sent out as part of the md
> queue limits conversion and will hopefully get merged into Jens' tree
> soon.

The whole series looks good. I see Jens has got the first two patches,
so I'll rebase nvme-6.9 to that and apply the rest of the nvme patches.