[PATCH V3 0/3] Ensure ordered namespace registration during async scan

[Keith Busch]

On Mon, Mar 02, 2026 at 08:16:19AM +0100, Hannes Reinecke wrote:
> I really would like to go with the nsid based solution from Keith.
> That would avoid quite some cumbersome code here.

I've seen various documentation that assumes the current naming
indicates the nsid, so the scheme follows at least some people's
expectations. I don't know if we can make everyone happy here, though.
:(

I've fixed up most of the multipath races that get us closer to allowing
nsid suffix, but there's one left: nvme_remove_head is called outside
the subsys lock after detaching the head from the subsystem list. That
could cause a subsequent add event to call nvme_alloc_ns() before the
mpath side has completed del_gendisk() for the old nsid.