[PATCH v4 22/24] n_tty: Move n_tty_write_wakeup() to avoid forward declaration
From: Peter Hurley <hidden>
Date: 2013-06-15 13:21:50
Also in:
lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Prepare to special case pty flow control; avoid forward declaration. Signed-off-by: Peter Hurley <redacted> --- 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
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1.8.1.2