Re: [PATCH v2 1/3] dm-inlinecrypt: Add inline encryption support

[Christoph Hellwig]

On Tue, Sep 24, 2024 at 03:04:34PM -0700, Eric Biggers wrote:
> What about a block device ioctl, as was previously proposed
> (https://lore.kernel.org/linux-block/1658316391-13472-1-git-send-email-israelr@xxxxxxxxxx/T/#u)?

No.  This is a file system layer policy and needs to sit entirely above
the block layer instead of breaking abstraction boundaries.