Revalidating the disk needs to set the logical block format and capacity,
otherwise it can't figure out if the users modified anything about
the namespace.

Fixes: cdbff4f2 ("nvme: remove nvme_revalidate_ns")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>