CONFIG_NVME_MULTIPATH - Do we need this?

[Keith Busch]

On Tue, Nov 12, 2024 at 07:23:06PM -0500, John Meneghini wrote:
> Now that RHEL-10 beta has shipped we no longer support anything but native
> nvme multi-pathing and I'd like to do something about the multipath module
> parameter:
> 
> bool multipath = true;
> module_param(multipath, bool, 0444);
> MODULE_PARM_DESC(multipath,
>         "turn on native support for multiple controllers per subsystem");
> 
> I'd like to remove this parameter from nvme_core/multipath.c. The fact is,
> setting nvme_core.multipath=N never worked in anything but RHEL and keeping
> it around only causes confusion.

Not sure the about this being a RHEL specific parameter. I use this for
testing purposes, but I don't use RHEL. Admittedly I haven't needed it
recently, but I have found it useful in the past.