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-rw-r--r--block/genhd.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/block/genhd.c b/block/genhd.c
index c05d509877fa..27511b3d164d 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -840,13 +840,15 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk,
 		disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
 		disk->flags |= GENHD_FL_NO_PART_SCAN;
 	} else {
+		struct backing_dev_info *bdi = disk->queue->backing_dev_info;
+		struct device *dev = disk_to_dev(disk);
 		int ret;
 
 		/* Register BDI before referencing it from bdev */
-		disk_to_dev(disk)->devt = devt;
-		ret = bdi_register_owner(disk->queue->backing_dev_info,
-						disk_to_dev(disk));
+		dev->devt = devt;
+		ret = bdi_register(bdi, "%u:%u", MAJOR(devt), MINOR(devt));
 		WARN_ON(ret);
+		bdi_set_owner(bdi, dev);
 		blk_register_region(disk_devt(disk), disk->minors, NULL,
 				    exact_match, exact_lock, disk);
 	}