104 	down_write(&tty->termios_rwsem);  in tty_throttle()
110 	up_write(&tty->termios_rwsem);  in tty_throttle()
129 	down_write(&tty->termios_rwsem);  in tty_unthrottle()
134 	up_write(&tty->termios_rwsem);  in tty_unthrottle()
553 	down_write(&tty->termios_rwsem);  in tty_set_termios()
569 	up_write(&tty->termios_rwsem);  in tty_set_termios()
596 	down_read(&tty->termios_rwsem);  in set_termios()
598 	up_read(&tty->termios_rwsem);  in set_termios()
650 	down_read(&tty->termios_rwsem);  in copy_termios()
652 	up_read(&tty->termios_rwsem);  in copy_termios()
657 	down_read(&tty->termios_rwsem);  in copy_termios_locked()
659 	up_read(&tty->termios_rwsem);  in copy_termios_locked()
706 	down_write(&tty->termios_rwsem);  in set_termiox()
709 	up_write(&tty->termios_rwsem);  in set_termiox()
744 	down_read(&tty->termios_rwsem);  in get_sgttyb()
750 	up_read(&tty->termios_rwsem);  in get_sgttyb()
805 	down_write(&tty->termios_rwsem);  in set_sgttyb()
815 	up_write(&tty->termios_rwsem);  in set_sgttyb()
826 	down_read(&tty->termios_rwsem);  in get_tchars()
833 	up_read(&tty->termios_rwsem);  in get_tchars()
843 	down_write(&tty->termios_rwsem);  in set_tchars()
850 	up_write(&tty->termios_rwsem);  in set_tchars()
860 	down_read(&tty->termios_rwsem);  in get_ltchars()
869 	up_read(&tty->termios_rwsem);  in get_ltchars()
880 	down_write(&tty->termios_rwsem);  in set_ltchars()
889 	up_write(&tty->termios_rwsem);  in set_ltchars()
909 	down_write(&tty->termios_rwsem);  in tty_change_softcar()
917 	up_write(&tty->termios_rwsem);  in tty_change_softcar()
1020 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1022 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1037 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1039 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1047 		down_read(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1049 		up_read(&real_tty->termios_rwsem);  in tty_mode_ioctl()