[PATCH v3 5/5] pstore/blk: Include zone in pstore_device_info

[Christoph Hellwig]

On Wed, Jun 16, 2021 at 09:40:43AM -0700, Kees Cook wrote:
> Information was redundant between struct pstore_zone_info and struct
> pstore_device_info. Use struct pstore_zone_info, with member name "zone".
> 
> Additionally untangle the logic for the "best effort" block device
> instance.

I'd still prefer to kill off struct pstore_device_info, but this is
already a huge improvement:

Reviewed-by: Christoph Hellwig <hch at lst.de>