27 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_open()  local
30 	if (unlikely(!parent->ops->open))  in vfio_mdev_open()
36 	ret = parent->ops->open(mdev);  in vfio_mdev_open()
46 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_release()  local
48 	if (likely(parent->ops->release))  in vfio_mdev_release()
49 		parent->ops->release(mdev);  in vfio_mdev_release()
58 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_unlocked_ioctl()  local
60 	if (unlikely(!parent->ops->ioctl))  in vfio_mdev_unlocked_ioctl()
63 	return parent->ops->ioctl(mdev, cmd, arg);  in vfio_mdev_unlocked_ioctl()
70 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_read()  local
72 	if (unlikely(!parent->ops->read))  in vfio_mdev_read()
75 	return parent->ops->read(mdev, buf, count, ppos);  in vfio_mdev_read()
82 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_write()  local
84 	if (unlikely(!parent->ops->write))  in vfio_mdev_write()
87 	return parent->ops->write(mdev, buf, count, ppos);  in vfio_mdev_write()
93 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_mmap()  local
95 	if (unlikely(!parent->ops->mmap))  in vfio_mdev_mmap()
98 	return parent->ops->mmap(mdev, vma);  in vfio_mdev_mmap()