On Wed, Feb 01, 2023 at 10:33:15AM +0800, Ming Lei wrote:
> > The native nvme multipath looks like it could be leveraged to improving that
> > user experience if we wanted to make that layer an option for non-multipath
> > devices.
> 
> Can you share the basic idea? Will nvme mulitpath hold the io error and
> not propagate to upper layer until new device is probed? What if the
> new device is probed late, and IO has been timed out and err is returned
> to upper layer?

Attached is what I did, but I'm really not sure it is the right final
approach.