lockmgr_release
lockmgr_release(lkp, 0);
lockmgr_release(lkp, 0);
lockmgr_release(lkp, 0);
lockmgr_release(lkp, 0);
lockmgr_release(lkp, 0);
lockmgr_release(lkp, 0);
int lockmgr_release (struct lock *, u_int flags);
return lockmgr_release(lkp, flags);