[RFC PATCH] nvme: add an opt-in to use AWUPF

[Keith Busch]

On Thu, Aug 21, 2025 at 10:55:31AM +0530, Nilay Shroff wrote:
> On 8/21/25 3:21 AM, Keith Busch wrote:
> > I tried to list out conditions for when I think the value could be counted on here:
> > 
> >   https://lore.kernel.org/linux-nvme/aGvuRS8VmC0JXAR3@kbusch-mbp/
> > 
> Regarding the checks you listed, they seem too restrictive. They only support
> AWUPF for single-controller devices and for disks that either have only one
> namespace or support formatting all namespaces together (i.e., do not support
> formatting individual namespaces).

Being restrictive was the point. It constrains to 1.0 type behavior
where things were much simpler. I am just shocked vendors went through
the trouble to implement the complicated features but couldn't be
bothered to do the trivial one that makes it useful.