Re: add and use a per-mapping stable writes flag v2

On Wed, Nov 08, 2023 at 09:05:18AM +0100, Christoph Hellwig wrote:

Can we get at least patches 1 and 2 queued for for 6.7 given that
they fix a regression?

I would say that all four should go in 6.7 because patches 3-4 fix wrong
behavior if the rtdev needs stablewrites but the datadev does not.

There probably aren't many users of a RHEL-disabled feature atop
specialty hardware, but IIRC it's still a data corruption vector.

(says me who blew up his last T10 PI drive last week :()

--D