[PATCH] nvme-multipath: don't inherit LBA-related fields for the multipath node

[Keith Busch]

On Fri, Mar 22, 2024 at 07:08:19AM +1000, Christoph Hellwig wrote:
> Linux 6.9 made the nvme multipath nodes not properly pick up changes when
> the LBA size goes smaller after an nvme format.  This is because we now
> try to inherit the queue settings for the multipath node entirely from
> the individual paths.  That is the right thing to do for I/O size
> limitations, which make up most of the queue limits, but it is wrong for
> changes to the namespace configuration, where we do want to pick up the
> new format, which will eventually show up on all paths once they are
> re-queried.
> 
> Fix this by not inheriting the block size and related fields and always
> for updating them.
> 
> Fixes: 8f03cfa117e0 ("nvme: don't use nvme_update_disk_info for the multipath disk")

Applied to nvme-6.9. This just missed yesterday's pull, but at least
it's queued up for the next one.