[PATCH 1/3] nvme: introduce bit 5 of smart critical warning

[Christoph Hellwig]

On Sat, May 07, 2022 at 02:50:24PM +0800, zhenwei pi wrote:
> According to NVM Express v1.4, Section 5.14.1.2 ("SMART / Health
> Information"), introduce bit 5 for "Persistent Memory Region has become
> read-only or unreliable".

Given that Linux does not support the PMR, do we really need this?