On Fri, Dec 02, 2022 at 09:48:45AM +0100, Christian Brauner wrote: > It might be better to add an ioctl that would allow to set an option on > the opal device after it was opened which marks it as closable without > providing the key? Yes. And while we're at it: please fix the overly long lines in the block comment that make it completely unreadable.