[PATCH v4 02/18] block: Rename BLK_STS_NEXUS to BLK_STS_RESV_CONFLICT

[Christoph Hellwig]

On Wed, Mar 15, 2023 at 11:04:22AM +0100, Stefan Haberland wrote:
> This also fits for the DASD case. We use this error code for a
> reservation/locking conflict of the DASD device when the lock we
> previously held was stolen.

But that's not really a reservation conflict in the sense
of the reservation API.  Given that DASD doesn't support it it
might not matter.  Do you have applications that checks for
the translated errno value?  We'll probably at least want
a comment documenting this status code.