osdc/Objecter: add OSDMap accessors that are lock-safe

Everybody needs to use these to inspect the OSDMap.

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/osdc/Objecter.h b/src/osdc/Objecter.h
index 07884c7269c1deb424fb5e6781e89bded112276f..00e767de015631c89cbe191daf1e5f04d97bd797 100644 (file)
--- a/src/osdc/Objecter.h
+++ b/src/osdc/Objecter.h
@@ -1613,6 +1613,14 @@ public:
   void start();
   void shutdown();
 
+  const OSDMap *get_osdmap_read() {
+    rwlock.get_read();
+    return osdmap;
+  }
+  void put_osdmap_read() {
+    rwlock.put_read();
+  }
+
   /**
    * Tell the objecter to throttle outgoing ops according to its
    * budget (in _conf). If you do this, ops can block, in