103 	down_write(&tty->termios_rwsem);  in tty_unthrottle()
108 	up_write(&tty->termios_rwsem);  in tty_unthrottle()
337 	down_write(&tty->termios_rwsem);  in tty_set_termios()
355 	up_write(&tty->termios_rwsem);  in tty_set_termios()
457 	down_read(&tty->termios_rwsem);  in set_termios()
459 	up_read(&tty->termios_rwsem);  in set_termios()
532 	down_read(&tty->termios_rwsem);  in copy_termios()
534 	up_read(&tty->termios_rwsem);  in copy_termios()
539 	down_read(&tty->termios_rwsem);  in copy_termios_locked()
541 	up_read(&tty->termios_rwsem);  in copy_termios_locked()
581 	down_read(&tty->termios_rwsem);  in get_sgttyb()
587 	up_read(&tty->termios_rwsem);  in get_sgttyb()
642 	down_write(&tty->termios_rwsem);  in set_sgttyb()
650 	up_write(&tty->termios_rwsem);  in set_sgttyb()
661 	down_read(&tty->termios_rwsem);  in get_tchars()
668 	up_read(&tty->termios_rwsem);  in get_tchars()
678 	down_write(&tty->termios_rwsem);  in set_tchars()
685 	up_write(&tty->termios_rwsem);  in set_tchars()
695 	down_read(&tty->termios_rwsem);  in get_ltchars()
704 	up_read(&tty->termios_rwsem);  in get_ltchars()
715 	down_write(&tty->termios_rwsem);  in set_ltchars()
724 	up_write(&tty->termios_rwsem);  in set_ltchars()
747 	down_write(&tty->termios_rwsem);  in tty_change_softcar()
755 	up_write(&tty->termios_rwsem);  in tty_change_softcar()
853 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
855 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
870 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
872 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()