[PATCHv2] nvmet: Fix crash when a namespace is disabled

[Keith Busch]

On Fri, Feb 07, 2025 at 01:41:34PM +0100, Hannes Reinecke wrote:
> The namespace percpu counter protects pending I/O, and we can
> only safely diable the namespace once the counter drop to zero.
> Otherwise we end up with a crash when running blktests/nvme/058
> (eg for loop transport):

Thanks, applied to nvme-6.14.