[PATCH] nvme-pci: silence a lockdep complaint

[Christoph Hellwig]

On Wed, May 22, 2024 at 03:36:19PM -0600, Keith Busch wrote:
> The below patch is what I'm messing with. I have a CMIC PCI NVMe and
> nvme native multipathing enabled, and that can recreate the lockdep
> splat 100% of the time. It goes away with this patch. Non-multipath
> devices are harder to hit the lockdep splat for a different reason.

I much prefer the srcu locking as it has real benefits as well over
a global-ish rwsem.  I'll try to get to a real review in a bit.