drbd: Implemented two new connection states Ahead/Behind
In this connection mode, the ahead node no longer replicates
application IO. The behind's disk becomes out dated.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 03a08ba..23f31be 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -206,6 +206,10 @@
C_VERIFY_T,
C_PAUSED_SYNC_S,
C_PAUSED_SYNC_T,
+
+ C_AHEAD,
+ C_BEHIND,
+
C_MASK = 31
};