From 637de4d762636115b6ec50b61e6701a9e09d87f1 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 20 Apr 2012 12:55:35 -0700
Subject: [PATCH] mon: load CompatSet features on startup

Signed-off-by: Sage Weil <sage@newdream.net>
---
 src/mon/Monitor.cc | 13 +++++++++++++
 src/mon/Monitor.h  |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index 0ff20e356d7b9..91f65dab3968a 100644
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -266,6 +266,19 @@ void Monitor::init()
     cluster_logger = pcb.create_perf_counters();
   }
 
+  // open compatset
+  {
+    bufferlist bl;
+    store->get_bl_ss(bl, COMPAT_SET_LOC, 0);
+    if (bl.length()) {
+      bufferlist::iterator p = bl.begin();
+      ::decode(features, p);
+    } else {
+      features = get_ceph_mon_feature_compat_set();
+    }
+    dout(10) << "features " << features << dendl;
+  }
+
   // init paxos
   for (int i = 0; i < PAXOS_NUM; ++i) {
     paxos[i]->init();
diff --git a/src/mon/Monitor.h b/src/mon/Monitor.h
index d16207b46d0c3..53092bdbed216 100644
--- a/src/mon/Monitor.h
+++ b/src/mon/Monitor.h
@@ -115,6 +115,8 @@ public:
 
   AuthSupported auth_supported;
 
+  CompatSet features;
+
 private:
   void new_tick();
   friend class C_Mon_Tick;
-- 
2.39.5