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

[Christoph Hellwig]

On Wed, Oct 02, 2024 at 09:03:22AM -0600, Jens Axboe wrote:
> > The previous stream separation approach made total sense, but just
> > needed a fair amount of work.  But it closely matches how things work
> > at the hardware and file system level, so it was the right approach.
> 
> What am I missing that makes this effort that different from streams?
> Both are a lifetime hint.

A stream has a lot less strings attached.  But hey, don't make me
argue for streams - you pushed the API in despite reservations back
then, and we've learned a lot since.

> > Suddenly dropping that and ignoring all comments really feels like
> > someone urgently needs to pull a marketing stunt here.
> 
> I think someone is just trying to finally get this feature in, so it
> can get used by customers, after many months of fairly unproductive
> discussion.

Well, he finally started on the right approach and gave it up after the
first round of feedback.  That's just a bit weird.