[PATCH v7 0/3] FDP and per-io hints

[Christoph Hellwig]

On Thu, Oct 10, 2024 at 02:22:32PM +0200, Javier Gonzalez wrote:
> Passthru is great for prototyping and getting insights on end-to-end
> applicability. We see though that it is difficult to get a full solution
> based on it, unless people implement a use-space layer tailored to their
> use-case (e.g., a version SPDK's bdev). After the POC phase, most folks
> that can use passthru prefer to move to block - with a validated
> use-case it should be easier to get things upstream.
>
> This is exactly where we are now.

That's a lot of marketing babble :)    What exact thing is missing
from the passthrough interface when using say spdx over io_uring?

> If you saw the comments from Christian on the inode space, there are a
> few plumbing challenges. Do you have any patches we could look at?

I'm not sure what you refer to here.