+static struct loop_device *loop_init_one(int i)
+{
+ struct loop_device *lo;
+ struct gendisk *disk;
+
+ lo = kzalloc(sizeof(*lo), GFP_KERNEL);
+ if (!lo)
+ goto out;
+
+ lo->lo_queue = blk_alloc_queue(GFP_KERNEL);
+ if (!lo->lo_queue)
+ goto out_free_dev;
+
+ disk = lo->lo_disk = alloc_disk(1);
+ if (!disk)
+ goto out_free_queue;
+
+ mutex_init(&lo->lo_ctl_mutex);
+ lo->lo_number = i;
+ lo->lo_thread = NULL;
+ init_waitqueue_head(&lo->lo_event);
+ spin_lock_init(&lo->lo_lock);
+ disk->major = LOOP_MAJOR;
+ disk->first_minor = i;
+ disk->fops = &lo_fops;
+ disk->private_data = lo;
+ disk->queue = lo->lo_queue;
+ sprintf(disk->disk_name, "loop%d", i);
+ add_disk(disk);
+ list_add_tail(&lo->lo_list, &loop_devices);
+ return lo;
+
+out_free_queue:
+ blk_cleanup_queue(lo->lo_queue);
+out_free_dev:
+ kfree(lo);
+out:
+ return ERR_PTR(-ENOMEM);
+}
+
+static void loop_del_one(struct loop_device *lo)