1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 291aa6e18d31..ca768ae729b4 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -93,6 +93,7 @@ struct ceph_msg {
         bool more_to_follow;
         bool needs_out_seq;
         int front_max;
+        unsigned long ack_stamp;        /* tx: when we were acked */
 
         struct ceph_msgpool *pool;
 };