[PATCH] Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers"

[Keith Busch]

On Wed, Mar 07, 2018 at 05:47:34PM +0000, Sitsofe Wheeler wrote:
> The only thing that concerns me is where do the stats live? Over in
> https://github.com/axboe/fio/pull/526#issuecomment-369521772 we found
> the main device doesn't record stats. Will that still be the case?

The stats still live in the same place at
/sys/block/nvmeXcYnZ/queue/stats. This patch just removes symlinks to the
each path block device in the multipath block device's slave directory,
so 'fio' won't see them at the moment.