tag	line	file	source code
TTY_WRITE_BUSY	163	kernel/chr_drv/tty_io.c	if (set_bit(TTY_WRITE_BUSY,&tty->flags))
TTY_WRITE_BUSY	166	kernel/chr_drv/tty_io.c	if (!clear_bit(TTY_WRITE_BUSY,&tty->flags))