md, dm, scsi, nvme, libnvdimm: drop blk_integrity_unregister() at shutdown

Now that the integrity profile is statically allocated there is no work
to do when shutting down an integrity enabled block device.

Cc: Matthew Wilcox <willy@linux.intel.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: James Bottomley <JBottomley@Odin.com>
Acked-by: NeilBrown <neilb@suse.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Acked-by: Vishal Verma <vishal.l.verma@intel.com>
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6264781dc69a..f4d953e10e2f 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2233,8 +2233,6 @@ static void cleanup_mapped_device(struct mapped_device *md)
                 spin_lock(&_minor_lock);
                 md->disk->private_data = NULL;
                 spin_unlock(&_minor_lock);
-                if (blk_get_integrity(md->disk))
-                        blk_integrity_unregister(md->disk);
                 del_gendisk(md->disk);
                 put_disk(md->disk);
         }