[PATCHv3] nvme-mpath: delete disk after last connection

[Christoph Hellwig]

On Thu, May 06, 2021 at 02:47:00AM -0700, Sagi Grimberg wrote:
> That is my assumption as well, and its a problem that by default
> a pci device unplugs or a fabrics controller is lost and removed
> the stacked mdraid on top stops functioning.
>
> I still think we can fix that by changing the semantics of implicit
> queue_if_no_path and restore it as an explicit opt-in.

So at very least we need to make sure we have the opt-in available before
changing the defaults.