180 static inline struct tty_struct *file_tty(struct file *file)  in file_tty()  function
472 	struct tty_struct *tty = file_tty(file);  in tty_show_fdinfo()
580 	if (redirect && file_tty(redirect) == tty) {  in __tty_hangup()
855 	struct tty_struct *tty = file_tty(file);  in tty_read()
1029 	struct tty_struct *tty = file_tty(file);  in tty_write()
1653 	struct tty_struct *tty = file_tty(filp);  in tty_release()
2103 	struct tty_struct *tty = file_tty(filp);  in tty_poll()
2121 	struct tty_struct *tty = file_tty(filp);  in __tty_fasync()
2156 	struct tty_struct *tty = file_tty(filp);  in tty_fasync()
2536 	struct tty_struct *tty = file_tty(file);  in tty_ioctl()
2754 	struct tty_struct *tty = file_tty(file);  in tty_compat_ioctl()
2870 	return file_tty(file) != t ? 0 : fd + 1;  in this_tty()