1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 691a1748d9d2..6570719eafdf 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -274,6 +274,8 @@ struct tty_struct {
 #define TTY_PTY_LOCK            16      /* pty private */
 #define TTY_NO_WRITE_SPLIT      17      /* Preserve write boundaries to driver */
 #define TTY_HUPPED              18      /* Post driver->hangup() */
+#define TTY_FLUSHING            19      /* Flushing to ldisc in progress */
+#define TTY_FLUSHPENDING        20      /* Queued buffer flush pending */
 
 #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))