OPW
temp = OPW(filp->_file, td, fop->poll(filp, NULL));
error = -OPW(fp, td, fop->mmap(filp, vmap));
bytes = OPW(file, td, fop->read(filp,
bytes = OPW(file, td, fop->write(filp,
revents = OPW(file, td, fop->poll(filp,
error = -OPW(file, td, release(filp->f_vnode, filp));
error = -OPW(fp, td, fop->fasync(0, filp, fp->f_flag & FASYNC));
error = -OPW(fp, td, fop->fasync(0, filp,
error = -OPW(fp, td, fop->compat_ioctl(filp,
error = -OPW(fp, td, fop->unlocked_ioctl(filp,
error = -OPW(fp, td, fop->unlocked_ioctl(filp,