tag	line	file	source code
TTY_WRITE_BUSY	151	kernel/chr_drv/tty_io.c	if (set_bit(TTY_WRITE_BUSY,&tty->flags))
TTY_WRITE_BUSY	154	kernel/chr_drv/tty_io.c	if (clear_bit(TTY_WRITE_BUSY,&tty->flags))