constants: Remove duplicate DRBD barrier option

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

diff --git a/lib/constants.py b/lib/constants.py
index ccfa24a..e629175 100644 (file)
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -423,7 +423,6 @@ DRBD_VALID_BARRIER_OPT = frozenset([
   frozenset([DRBD_B_DISK_DRAIN]),
   frozenset([DRBD_B_DISK_FLUSH]),
   frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
-  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),