ceph_cls_break_lock
ret = ceph_cls_break_lock(osdc, &oid, &rbd_dev->header_oloc,
ret = ceph_cls_break_lock(&client->osdc, &rbd_dev->header_oid,
int ceph_cls_break_lock(struct ceph_osd_client *osdc,
EXPORT_SYMBOL(ceph_cls_break_lock);