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>

5 files changed, 1 insertions, 9 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);
         }
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2af9d590e1a0..7d07caceb349 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5539,7 +5539,6 @@ static int do_md_stop(struct mddev *mddev, int mode,
                 if (mddev->hold_active == UNTIL_STOP)
                         mddev->hold_active = 0;
         }
-        blk_integrity_unregister(disk);
         md_new_event(mddev);
         sysfs_notify_dirent_safe(mddev->sysfs_state);
         return 0;
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 254239746020..eae93ab8ffcd 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1279,7 +1279,6 @@ static int btt_blk_init(struct btt *btt)
 
 static void btt_blk_cleanup(struct btt *btt)
 {
-        blk_integrity_unregister(btt->btt_disk);
         del_gendisk(btt->btt_disk);
         put_disk(btt->btt_disk);
         blk_cleanup_queue(btt->btt_queue);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 8d2aeaaa3895..ad06f8dcf582 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2407,11 +2407,8 @@ static void nvme_ns_remove(struct nvme_ns *ns)
 
         if (kill)
                 blk_set_queue_dying(ns->queue);
-        if (ns->disk->flags & GENHD_FL_UP) {
-                if (blk_get_integrity(ns->disk))
-                        blk_integrity_unregister(ns->disk);
+        if (ns->disk->flags & GENHD_FL_UP)
                 del_gendisk(ns->disk);
-        }
         if (kill || !blk_queue_dying(ns->queue)) {
                 blk_mq_abort_requeue_list(ns->queue);
                 blk_cleanup_queue(ns->queue);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3f370228bf31..9e85211ea1d1 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3068,7 +3068,6 @@ static void scsi_disk_release(struct device *dev)
         ida_remove(&sd_index_ida, sdkp->index);
         spin_unlock(&sd_index_lock);
 
-        blk_integrity_unregister(disk);
         disk->private_data = NULL;
         put_disk(disk);
         put_device(&sdkp->device->sdev_gendev);