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| author | Alan Cox | 2009-06-11 13:50:58 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2009-06-11 17:51:01 +0200 |
| commit | f2c4c65c8350d885d74dcdea7061dcecc1223c36 (patch) | |
| tree | 2c6b9229664ae877abea4726328f8793bbc15eb7 /drivers/char/tty_ldisc.c | |
| parent | tty: rewrite the ldisc locking (diff) | |
| download | kernel-qcow2-linux-f2c4c65c8350d885d74dcdea7061dcecc1223c36.tar.gz kernel-qcow2-linux-f2c4c65c8350d885d74dcdea7061dcecc1223c36.tar.xz kernel-qcow2-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.c | 21 |
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 |