110 	down_write(&tty->termios_rwsem);  in tty_throttle()
116 	up_write(&tty->termios_rwsem);  in tty_throttle()
135 	down_write(&tty->termios_rwsem);  in tty_unthrottle()
140 	up_write(&tty->termios_rwsem);  in tty_unthrottle()
556 	down_write(&tty->termios_rwsem);  in tty_set_termios()
572 	up_write(&tty->termios_rwsem);  in tty_set_termios()
599 	down_read(&tty->termios_rwsem);  in set_termios()
601 	up_read(&tty->termios_rwsem);  in set_termios()
653 	down_read(&tty->termios_rwsem);  in copy_termios()
655 	up_read(&tty->termios_rwsem);  in copy_termios()
660 	down_read(&tty->termios_rwsem);  in copy_termios_locked()
662 	up_read(&tty->termios_rwsem);  in copy_termios_locked()
709 	down_write(&tty->termios_rwsem);  in set_termiox()
712 	up_write(&tty->termios_rwsem);  in set_termiox()
747 	down_read(&tty->termios_rwsem);  in get_sgttyb()
753 	up_read(&tty->termios_rwsem);  in get_sgttyb()
808 	down_write(&tty->termios_rwsem);  in set_sgttyb()
818 	up_write(&tty->termios_rwsem);  in set_sgttyb()
829 	down_read(&tty->termios_rwsem);  in get_tchars()
836 	up_read(&tty->termios_rwsem);  in get_tchars()
846 	down_write(&tty->termios_rwsem);  in set_tchars()
853 	up_write(&tty->termios_rwsem);  in set_tchars()
863 	down_read(&tty->termios_rwsem);  in get_ltchars()
872 	up_read(&tty->termios_rwsem);  in get_ltchars()
883 	down_write(&tty->termios_rwsem);  in set_ltchars()
892 	up_write(&tty->termios_rwsem);  in set_ltchars()
912 	down_write(&tty->termios_rwsem);  in tty_change_softcar()
920 	up_write(&tty->termios_rwsem);  in tty_change_softcar()
1023 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1025 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1040 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1042 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1050 		down_read(&real_tty->termios_rwsem);  in tty_mode_ioctl()
1052 		up_read(&real_tty->termios_rwsem);  in tty_mode_ioctl()