FIF_HASLOCK
atomic_clearbits_int(&fp->f_iflags, FIF_HASLOCK);
atomic_setbits_int(&fp->f_iflags, FIF_HASLOCK);
atomic_setbits_int(&fp->f_iflags, FIF_HASLOCK);
atomic_setbits_int(&fp->f_iflags, FIF_HASLOCK);
if ((fp->f_iflags & FIF_HASLOCK)) {
if (kf->f_iflags & FIF_HASLOCK)