Re: [RFC] Directly mapped xattr data & fs-verity

Christoph Hellwig
2025-01-09T06:12:43Z

On Wed, Jan 08, 2025 at 10:20:59AM +0100, Andrey Albershteyn wrote:
> > Maybe we can used it for $HANDWAVE is not a good idea.
>
> > Hash based verification works poorly for mutable files, so we'd
> > rather have a really good argument for that.
>
> hmm, why? Not sure I have an understanding of this

You need a consistent point in time to verify with your hash to have
a meaning. How do you define that point for a mutable file?