From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Hurley Subject: [PATCH v3 22/24] n_tty: Move n_tty_write_wakeup() to avoid forward declaration Date: Mon, 15 Apr 2013 11:19:26 -0400 Message-ID: <1366039168-8510-23-git-send-email-peter@hurleysoftware.com> References: <1363724513-15604-1-git-send-email-peter@hurleysoftware.com> <1366039168-8510-1-git-send-email-peter@hurleysoftware.com> Return-path: In-Reply-To: <1366039168-8510-1-git-send-email-peter@hurleysoftware.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jiri Slaby , Peter Hurley List-Id: linux-serial@vger.kernel.org Prepare to special case pty flow control; avoid forward declaration. Signed-off-by: Peter Hurley --- drivers/tty/n_tty.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 7f3509d..00debd0 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -214,6 +214,21 @@ static ssize_t chars_in_buffer(struct tty_struct *tty) return n; } +/** + * n_tty_write_wakeup - asynchronous I/O notifier + * @tty: tty device + * + * Required for the ptys, serial driver etc. since processes + * that attach themselves to the master and rely on ASYNC + * IO must be woken up + */ + +static void n_tty_write_wakeup(struct tty_struct *tty) +{ + if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags)) + kill_fasync(&tty->fasync, SIGIO, POLL_OUT); +} + static inline void n_tty_check_throttle(struct tty_struct *tty) { /* @@ -1459,22 +1474,6 @@ handle_newline: put_tty_queue(c, ldata); } - -/** - * n_tty_write_wakeup - asynchronous I/O notifier - * @tty: tty device - * - * Required for the ptys, serial driver etc. since processes - * that attach themselves to the master and rely on ASYNC - * IO must be woken up - */ - -static void n_tty_write_wakeup(struct tty_struct *tty) -{ - if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags)) - kill_fasync(&tty->fasync, SIGIO, POLL_OUT); -} - /** * n_tty_receive_buf - data receive * @tty: terminal device -- 1.8.1.2