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authorAlan Cox <alan@linux.intel.com>2009-06-11 13:50:58 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 17:51:01 +0200
commitf2c4c65c8350d885d74dcdea7061dcecc1223c36 (patch)
tree2c6b9229664ae877abea4726328f8793bbc15eb7 /drivers/char/tty_ldisc.c
parenttty: rewrite the ldisc locking (diff)
downloadlinux-f2c4c65c8350d885d74dcdea7061dcecc1223c36.tar.xz
linux-f2c4c65c8350d885d74dcdea7061dcecc1223c36.zip
tty: Move ldisc_flush
We have a tty_ldisc file now so put tty_ldisc_flush in the right place Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/tty_ldisc.c')
-rw-r--r--drivers/char/tty_ldisc.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index a58a19a6a5e1..01c70c01f64a 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -396,6 +396,27 @@ void tty_ldisc_enable(struct tty_struct *tty)
}
/**
+ * tty_ldisc_flush - flush line discipline queue
+ * @tty: tty
+ *
+ * Flush the line discipline queue (if any) for this tty. If there
+ * is no line discipline active this is a no-op.
+ */
+
+void tty_ldisc_flush(struct tty_struct *tty)
+{
+ struct tty_ldisc *ld = tty_ldisc_ref(tty);
+ if (ld) {
+ if (ld->ops->flush_buffer)
+ ld->ops->flush_buffer(tty);
+ tty_ldisc_deref(ld);
+ }
+ tty_buffer_flush(tty);
+}
+
+EXPORT_SYMBOL_GPL(tty_ldisc_flush);
+
+/**
* tty_set_termios_ldisc - set ldisc field
* @tty: tty structure
* @num: line discipline number