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

Jens Axboe
2024-10-02T15:00:12Z

On 10/2/24 8:56 AM, Keith Busch wrote:
> On Wed, Oct 02, 2024 at 09:49:26AM +0200, Christoph Hellwig wrote:
>> On Tue, Oct 01, 2024 at 10:23:43AM -0600, Keith Busch wrote:
>>> I think because he's getting conflicting feedback. The arguments against
>>> it being that it's not a good match, however it's the same match created
>>> for streams, and no one complained then, and it's an existing user ABI.
>>
>> People complained, and the streams code got removed pretty quickly
>> because it did not work as expected. I don't think that counts as
>> a big success.
>
> I don't think the kernel API was the problem. Capable devices never
> materialized, so the code wasn't doing anything useful.

Exactly. I never saw ones that kept the stream persistent across GC,
and hence they ended up being pretty useless in practice.

--
Jens Axboe