111 	down_write(&tty->termios_rwsem);  in tty_throttle()
117 	up_write(&tty->termios_rwsem);  in tty_throttle()
136 	down_write(&tty->termios_rwsem);  in tty_unthrottle()
141 	up_write(&tty->termios_rwsem);  in tty_unthrottle()
328 	down_write(&tty->termios_rwsem);  in tty_set_termios()
344 	up_write(&tty->termios_rwsem);  in tty_set_termios()
371 	down_read(&tty->termios_rwsem);  in set_termios()
373 	up_read(&tty->termios_rwsem);  in set_termios()
425 	down_read(&tty->termios_rwsem);  in copy_termios()
427 	up_read(&tty->termios_rwsem);  in copy_termios()
432 	down_read(&tty->termios_rwsem);  in copy_termios_locked()
434 	up_read(&tty->termios_rwsem);  in copy_termios_locked()
474 	down_read(&tty->termios_rwsem);  in get_sgttyb()
480 	up_read(&tty->termios_rwsem);  in get_sgttyb()
535 	down_write(&tty->termios_rwsem);  in set_sgttyb()
545 	up_write(&tty->termios_rwsem);  in set_sgttyb()
556 	down_read(&tty->termios_rwsem);  in get_tchars()
563 	up_read(&tty->termios_rwsem);  in get_tchars()
573 	down_write(&tty->termios_rwsem);  in set_tchars()
580 	up_write(&tty->termios_rwsem);  in set_tchars()
590 	down_read(&tty->termios_rwsem);  in get_ltchars()
599 	up_read(&tty->termios_rwsem);  in get_ltchars()
610 	down_write(&tty->termios_rwsem);  in set_ltchars()
619 	up_write(&tty->termios_rwsem);  in set_ltchars()
639 	down_write(&tty->termios_rwsem);  in tty_change_softcar()
647 	up_write(&tty->termios_rwsem);  in tty_change_softcar()
750 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
752 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
767 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
769 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()