Re: [PATCH v2] libnvdimm: Notify disk drivers to revalidate region read-only

[Christoph Hellwig]

Looks good to me:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Question on the pre-existing code: given that nvdimm_check_and_set_ro is
the only caller of set_disk_ro for nvdimm devices, we'll also get
the message when initially setting up any read-only disk.  Is that
intentional?