-static void register_disk(struct device *parent, struct gendisk *disk,
- const struct attribute_group **groups)
-{
- struct device *ddev = disk_to_dev(disk);
- int err;
-
- ddev->parent = parent;
-
- dev_set_name(ddev, "%s", disk->disk_name);
-
- /* delay uevents, until we scanned partition table */
- dev_set_uevent_suppress(ddev, 1);
-
- if (groups) {
- WARN_ON(ddev->groups);
- ddev->groups = groups;
- }
- if (device_add(ddev))
- return;
- if (!sysfs_deprecated) {
- err = sysfs_create_link(block_depr, &ddev->kobj,
- kobject_name(&ddev->kobj));
- if (err) {
- device_del(ddev);
- return;
- }
- }
-
- /*
- * avoid probable deadlock caused by allocating memory with
- * GFP_KERNEL in runtime_resume callback of its all ancestor
- * devices
- */
- pm_runtime_set_memalloc_noio(ddev, true);
-
- disk->part0->bd_holder_dir =
- kobject_create_and_add("holders", &ddev->kobj);
- disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
-
- /*
- * XXX: this is a mess, can't wait for real error handling in add_disk.
- * Make sure ->slave_dir is NULL if we failed some of the registration
- * so that the cleanup in bd_unlink_disk_holder works properly.
- */
- if (bd_register_pending_holders(disk) < 0) {
- kobject_put(disk->slave_dir);
- disk->slave_dir = NULL;
- }
-
- if (disk->flags & GENHD_FL_HIDDEN)
- return;
-
- disk_scan_partitions(disk);
-
- /* announce the disk and partitions after all partitions are created */
- dev_set_uevent_suppress(ddev, 0);
- disk_uevent(disk, KOBJ_ADD);
-
- if (disk->bdi->dev) {
- err = sysfs_create_link(&ddev->kobj, &disk->bdi->dev->kobj,
- "bdi");
- WARN_ON(err);
- }
-}
-