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

[Christoph Hellwig]

On Wed, Oct 02, 2024 at 09:17:35AM -0600, Keith Busch wrote:
> On Wed, Oct 02, 2024 at 05:13:44PM +0200, Christoph Hellwig wrote:
> > 
> > Well, he finally started on the right approach and gave it up after the
> > first round of feedback.  That's just a bit weird.
> 
> Nothing prevents future improvements in that direction. It just seems
> out of scope for what Kanchan is trying to enable for his customer use
> cases. This patch looks harmless.

It's not really.  Once we wire it up like this we mess up the ability
to use the feature in other ways.  Additionally the per-I/O hints are
simply broken if you want a file system in the way as last time,
and if I don't misremember you acknowledged in person last week.