[PATCH] nvme-pci: silence a lockdep complaint

[Christoph Hellwig]

On Wed, May 22, 2024 at 10:12:19AM -0600, Keith Busch wrote:
> > Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki at wdc.com>
> 
> This is not desireable, but I give up trying to appease lockdep for this
> one.

lockdep_off is a cure that's worth than the desease.  If we can't
explain the "can't happen" using lockdep classes I don't see how
we could actually be sure that it can't happen.