11 static struct bd_holder_disk *bd_find_holder_disk(struct block_device *bdev,  in bd_find_holder_disk()  argument
17 		if (holder->holder_dir == bdev->bd_holder_dir)  in bd_find_holder_disk()
60 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
68 	if (bdev->bd_disk == disk)  in bd_link_disk_holder()
75 	mutex_lock(&bdev->bd_disk->open_mutex);  in bd_link_disk_holder()
76 	if (!disk_live(bdev->bd_disk)) {  in bd_link_disk_holder()
77 		mutex_unlock(&bdev->bd_disk->open_mutex);  in bd_link_disk_holder()
80 	kobject_get(bdev->bd_holder_dir);  in bd_link_disk_holder()
81 	mutex_unlock(&bdev->bd_disk->open_mutex);  in bd_link_disk_holder()
84 	WARN_ON_ONCE(!bdev->bd_holder);  in bd_link_disk_holder()
86 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
88 		kobject_put(bdev->bd_holder_dir);  in bd_link_disk_holder()
101 	holder->holder_dir = bdev->bd_holder_dir;  in bd_link_disk_holder()
103 	ret = add_symlink(disk->slave_dir, bdev_kobj(bdev));  in bd_link_disk_holder()
106 	ret = add_symlink(bdev->bd_holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
115 	del_symlink(disk->slave_dir, bdev_kobj(bdev));  in bd_link_disk_holder()
121 		kobject_put(bdev->bd_holder_dir);  in bd_link_disk_holder()
136 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
144 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
146 		del_symlink(disk->slave_dir, bdev_kobj(bdev));  in bd_unlink_disk_holder()