Re: [PATCH v6 3/8] btrfs: add a bio argument to btrfs_csum_one_bio

[Christoph Hellwig]

On Wed, Nov 19, 2025 at 08:34:13AM +0100, Daniel Vacek wrote:
> That's the case. The bounce bio is created when you submit the
> original one. The data is encrypted by fscrypt, then the csum hook is
> called and the new bio submitted instead of the original one. Later
> the endio frees the new one and calls endio on the original bio. This
> means we don't have control over the bounce bio and cannot use it
> asynchronously at the moment. The csum needs to be finished directly
> in the hook.

And as I told you that can be changed.  Please get your entire series
out of review to allow people to try to review what you're trying to
do.