[PATCH 1/3 v2] nvme: make independent ns identify default
Christoph Hellwig
hch at lst.de
Fri Oct 11 01:14:52 PDT 2024
On Thu, Oct 10, 2024 at 02:39:49PM +0200, Matias Bjørling wrote:
> From: Matias Bjørling <matias.bjorling at wdc.com>
>
> The NVMe 2.0 specification adds an independent identify namespace
> data structure that contains generic attributes that apply to all
> namespace types. Some attributes carry over from the NVM command set
> identify namespace data structure, and others are new.
>
> Currently, the data structure only considered when CRIMS is enabled or
> when the namespace type is key-value.
>
> However, the independent namespace data structure
> is mandatory for devices that implement features from the 2.0+
> specification. Therefore, we can check this data structure first. If
> unavailable, retrieve the generic attributes from the NVM command set
> identify namespace data structure.
FYI, I still disagree with this for the same reason as before.
Assuming we're not really going to see hard drivers I'd be fine
with using it by default for 2.0 (or better even 2.1) by default.
More information about the Linux-nvme
mailing list