cachefiles_grab_object
extern struct cachefiles_object *cachefiles_grab_object(struct cachefiles_object *object,
cachefiles_grab_object(object, cachefiles_obj_get_ioreq);
cachefiles_grab_object(object, cachefiles_obj_get_ioreq);
object = cachefiles_grab_object(req->object,
cachefiles_grab_object(req->object, cachefiles_obj_get_read_req);