From 985286d773602c86447b1f9fd978ce1b00c03911 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 24 Mar 2008 10:54:24 -0700
Subject: [PATCH] mdsmap: update last_failure

---
 src/mds/MDS.cc        | 2 ++
 src/mds/MDSMap.h      | 4 +++-
 src/mon/MDSMonitor.cc | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/mds/MDS.cc b/src/mds/MDS.cc
index 4e31ab080d3d2..f6337d3a13ab1 100644
--- a/src/mds/MDS.cc
+++ b/src/mds/MDS.cc
@@ -520,6 +520,8 @@ void MDS::handle_mds_map(MMDSMap *m)
     assert(mdsmap->get_inc(whoami) > 0);
     objecter->set_client_incarnation(mdsmap->get_inc(whoami));
   }
+  // and inc_lock
+  objecter->set_inc_lock(mdsmap->get_last_failure());
 
   // for debug
   if (g_conf.mds_dump_cache_on_map)
diff --git a/src/mds/MDSMap.h b/src/mds/MDSMap.h
index 6a18667888a10..b561da87550b0 100644
--- a/src/mds/MDSMap.h
+++ b/src/mds/MDSMap.h
@@ -123,7 +123,7 @@ class MDSMap {
   friend class MDSMonitor;
 
  public:
-  MDSMap() : epoch(0), client_epoch(0), anchortable(0), root(0) {
+  MDSMap() : epoch(0), client_epoch(0), last_failure(0), anchortable(0), root(0) {
     // hack.. this doesn't really belong here
     cap_bit_timeout = (int)g_conf.mds_cap_timeout;
     session_autoclose = (int)g_conf.mds_session_autoclose;
@@ -135,6 +135,8 @@ class MDSMap {
   const utime_t& get_created() const { return created; }
   void set_created(utime_t ct) { created = ct; }
 
+  epoch_t get_last_failure() const { return last_failure; }
+
   int get_max_mds() const { return max_mds; }
   void set_max_mds(int m) { max_mds = m; }
 
diff --git a/src/mon/MDSMonitor.cc b/src/mon/MDSMonitor.cc
index 2bacaae77e32d..2bef87df150ad 100644
--- a/src/mon/MDSMonitor.cc
+++ b/src/mon/MDSMonitor.cc
@@ -665,6 +665,7 @@ void MDSMonitor::tick()
       case MDSMap::STATE_ACTIVE:
       case MDSMap::STATE_STOPPING:
 	newstate = MDSMap::STATE_FAILED;
+	pending_mdsmap.last_failure = pending_mdsmap.epoch;
 	break;
 
       default:
@@ -732,6 +733,7 @@ void MDSMonitor::do_stop()
     case MDSMap::STATE_REJOIN:
       // BUG: hrm, if this is the case, the STOPPING gusy won't be able to stop, will they?
       pending_mdsmap.mds_state[p->first] = MDSMap::STATE_FAILED;
+      pending_mdsmap.last_failure = pending_mdsmap.epoch;
       break;
     }
   }
-- 
2.39.5