NVMe fabric multipathing

[Christoph Hellwig]

Hi Mark,

On Mon, Oct 02, 2023 at 01:22:59PM +0100, Mark Syms wrote:
> We have a requirement to report information about the status of NVMe
> multipath controllers on an NVMe over fabrics deployment. In
> particular the total number of "known" paths and the number of
> "currently active" paths. As far as we can see right now, when a path
> to an NVMe target device, when using Fibre Channel, is blocked, all
> local information about the affected controller is flushed leaving
> just the currently active controller(s) present.

What do you mean with "blocked"?