2 files changed, 16 insertions, 19 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 88c0fd657825..f2d24eb3208c 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1109,7 +1109,7 @@ static void event_callback(void *context)
         list_splice_init(&md->uevent_list, &uevents);
         spin_unlock_irqrestore(&md->uevent_lock, flags);
 
-        dm_send_uevents(&uevents, &md->disk->kobj);
+        dm_send_uevents(&uevents, &md->disk->dev.kobj);
 
         atomic_inc(&md->event_nr);
         wake_up(&md->eventq);
@@ -1530,7 +1530,7 @@ out:
  *---------------------------------------------------------------*/
 void dm_kobject_uevent(struct mapped_device *md)
 {
-        kobject_uevent(&md->disk->kobj, KOBJ_CHANGE);
+        kobject_uevent(&md->disk->dev.kobj, KOBJ_CHANGE);
 }
 
 uint32_t dm_next_uevent_seq(struct mapped_device *md)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cef9ebd5a046..c28a120b4161 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -231,7 +231,7 @@ static void mddev_put(mddev_t *mddev)
                 list_del(&mddev->all_mddevs);
                 spin_unlock(&all_mddevs_lock);
                 blk_cleanup_queue(mddev->queue);
-                kobject_unregister(&mddev->kobj);
+                kobject_put(&mddev->kobj);
         } else
                 spin_unlock(&all_mddevs_lock);
 }
@@ -1383,22 +1383,19 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
                         return -EBUSY;
         }
         bdevname(rdev->bdev,b);
-        if (kobject_set_name(&rdev->kobj, "dev-%s", b) < 0)
-                return -ENOMEM;
-        while ( (s=strchr(rdev->kobj.k_name, '/')) != NULL)
+        while ( (s=strchr(b, '/')) != NULL)
                 *s = '!';
-                        
+
         rdev->mddev = mddev;
         printk(KERN_INFO "md: bind<%s>\n", b);
 
-        rdev->kobj.parent = &mddev->kobj;
-        if ((err = kobject_add(&rdev->kobj)))
+        if ((err = kobject_add(&rdev->kobj, &mddev->kobj, "dev-%s", b)))
                 goto fail;
 
         if (rdev->bdev->bd_part)
-                ko = &rdev->bdev->bd_part->kobj;
+                ko = &rdev->bdev->bd_part->dev.kobj;
         else
-                ko = &rdev->bdev->bd_disk->kobj;
+                ko = &rdev->bdev->bd_disk->dev.kobj;
         if ((err = sysfs_create_link(&rdev->kobj, ko, "block"))) {
                 kobject_del(&rdev->kobj);
                 goto fail;
@@ -2036,9 +2033,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
         if (err)
                 goto abort_free;
 
-        rdev->kobj.parent = NULL;
-        rdev->kobj.ktype = &rdev_ktype;
-        kobject_init(&rdev->kobj);
+        kobject_init(&rdev->kobj, &rdev_ktype);
 
         rdev->desc_nr = -1;
         rdev->saved_raid_disk = -1;
@@ -3054,6 +3049,7 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data)
         int partitioned = (MAJOR(dev) != MD_MAJOR);
         int shift = partitioned ? MdpMinorShift : 0;
         int unit = MINOR(dev) >> shift;
+        int error;
 
         if (!mddev)
                 return NULL;
@@ -3082,12 +3078,13 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data)
         add_disk(disk);
         mddev->gendisk = disk;
         mutex_unlock(&disks_mutex);
-        mddev->kobj.parent = &disk->kobj;
-        kobject_set_name(&mddev->kobj, "%s", "md");
-        mddev->kobj.ktype = &md_ktype;
-        if (kobject_register(&mddev->kobj))
+        error = kobject_init_and_add(&mddev->kobj, &md_ktype, &disk->dev.kobj,
+                                     "%s", "md");
+        if (error)
                 printk(KERN_WARNING "md: cannot register %s/md - name in use\n",
                        disk->disk_name);
+        else
+                kobject_uevent(&mddev->kobj, KOBJ_ADD);
         return NULL;
 }
 
@@ -3359,7 +3356,7 @@ static int do_md_run(mddev_t * mddev)
 
         mddev->changed = 1;
         md_new_event(mddev);
-        kobject_uevent(&mddev->gendisk->kobj, KOBJ_CHANGE);
+        kobject_uevent(&mddev->gendisk->dev.kobj, KOBJ_CHANGE);
         return 0;
 }