[PATCH nvme-cli] nvme-print: fix wrong list-subsys output when ns are attached to different ctrls

[Daniel Wagner]

On Mon, Jun 12, 2023 at 06:34:06PM +0300, Sagi Grimberg wrote:
> If we list subsystem controllers not for a specific ns (user did not pass
> a namespace device node), we cannot look at the first ns in the subsystem
> to list because it may not be attached to all subsystem controllers.
> 
> We incorrectly assumes that subsystem namespaces (or at least the first of
> them) are attached to all subsystem controllers.
> 
> Fix that by showing the multipath subsystem-list flavor only when the user
> passed a specific namespace, and fallback to a simple controller list otherwise.
> 
> Fixes: cdeaab8fca6e ("nvme-print: Show ANA state only for one namespace")
> Fixes: 7435ed9ae6a6 ("nvme-print: Show paths from the first namespace only")
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>

Patch applied. Thanks!
Daniel