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@lst.de>