On Thu, Jun 20, 2019 at 03:53:45PM +0200, Ard Biesheuvel wrote: > > We'd need at least 512 and 4k for dm-crypt, but I don't think the > sector size is limited at all tbh In that case my preference would be to encode this into the key and hardware that encounters unsupported sector sizes can use a fallback. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt