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