Re: [PATCH v2] xfs: publish UUID in struct super_block

[Richard Weinberger <richard@xxxxxx>]

Amir,

Am 02.05.2017 um 20:25 schrieb Amir Goldstein:
> Are there any persistent integrity signatures that could be broken,
> because an xfs filesystem once published zeroes for sb->s_uuid
> and will start to publish non-zero sb->s_uuid?
> 
> BTW, the same question applies w.r.t ubifs, which are also going to
> start publishing sb->s_uuid, although I don't if there are ubifs+evm users.

There are. And I'm very sure this is why Oleksij is trying to mainline
UBIFS sb->s_uuid support.

Thanks,
//richard