linux-kernel - [PATCH v4 22/24] n_tty: Move n_tty_write_wakeup() to avoid forward declaration

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Message-Id: <1371302076-4688-23-git-send-email-peter@hurleysoftware.com>
Date:	Sat, 15 Jun 2013 09:14:34 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Jiri Slaby <jslaby@...e.cz>,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH v4 22/24] n_tty: Move n_tty_write_wakeup() to avoid forward declaration

Prepare to special case pty flow control; avoid forward declaration.

Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 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 9e13c80..0e3efc1 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)
 {
 	/*
@@ -1458,22 +1473,6 @@ 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

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