-/**
- * tty_write_msg - write a message to a certain tty, not just the console.
- * @tty: the destination tty_struct
- * @msg: the message to write
- *
- * tty_write_message is not exported, so write a same function for it
- *
- */
-static void tty_write_msg(struct tty_struct *tty, const char *msg)
-{
- mutex_lock(&tty->atomic_write_lock);
- tty_lock(tty);
- if (tty->ops->write && tty->count > 0)
- tty->ops->write(tty, msg, strlen(msg));
- tty_unlock(tty);
- mutex_unlock(&tty->atomic_write_lock);
- wake_up_interruptible_poll(&tty->write_wait, POLLOUT);
-}
-
-static void cfs_tty_write_message(const char *prefix, int mask, const char *msg)
-{
- struct tty_struct *tty;
-
- tty = get_current_tty();
- if (!tty)
- return;
-
- tty_write_msg(tty, prefix);
- if ((mask & D_EMERG) || (mask & D_ERROR))
- tty_write_msg(tty, "Error");
- tty_write_msg(tty, ": ");
- tty_write_msg(tty, msg);
- tty_kref_put(tty);
-}
-