On Thu, Oct 14, 2021 at 10:01:34AM +0200, Christoph Hellwig wrote: > On Thu, Oct 14, 2021 at 09:30:51AM +0200, Hannes Reinecke wrote: > > What's wrong with scsi_vpd_lun_id() ? > > It doesn't allow the caller to pick a specific ID type. ... and of course that it returns an ASCSII string instead of the binary ID.