ceph: handle session flush message
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 1fd655a..7c00dd5 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1137,6 +1137,21 @@
return 0;
}
+static int send_flushmsg_ack(struct ceph_mds_client *mdsc,
+ struct ceph_mds_session *session, u64 seq)
+{
+ struct ceph_msg *msg;
+
+ dout("send_flushmsg_ack to mds%d (%s)s seq %lld\n",
+ session->s_mds, session_state_name(session->s_state), seq);
+ msg = create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq);
+ if (!msg)
+ return -ENOMEM;
+ ceph_con_send(&session->s_con, msg);
+ return 0;
+}
+
+
/*
* Note new cap ttl, and any transition from stale -> not stale (fresh?).
*
@@ -2396,6 +2411,10 @@
trim_caps(mdsc, session, le32_to_cpu(h->max_caps));
break;
+ case CEPH_SESSION_FLUSHMSG:
+ send_flushmsg_ack(mdsc, session, seq);
+ break;
+
default:
pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);
WARN_ON(1);