[PATCH v2] nvme: enable FDP support

Christoph Hellwig hch at lst.de
Mon Jun 10 04:55:41 PDT 2024


On Mon, Jun 10, 2024 at 07:27:16AM -0400, Martin K. Petersen wrote:
> > And TP 4146 author list shows 10 companies. Perhaps good enough for 
> > diverse opinions on how to go about things before settling down.
> 
> I think FDP and SCSI streams are less than ideal. 10+ years and the
> standards bodies still haven't been able to produce an approach that
> makes sense in the context of a general purpose operating system.

The SCSI temperature hints are I think exactly what we want.  The fact
that they had to be shoe horned in in a weird to claim to be streams
is a little awkward, but sometimes that's need to get things done.

Hint to Samsung and Meta: if you have to hack them into NVMe to
still claim it's FDP so that you marketing budget isn't lost we
can probably live with that..




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