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diff --git a/src/ceph/src/kv/KeyValueDB.cc b/src/ceph/src/kv/KeyValueDB.cc
new file mode 100644
index 0000000..7a917b7
--- /dev/null
+++ b/src/ceph/src/kv/KeyValueDB.cc
@@ -0,0 +1,66 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "KeyValueDB.h"
+#ifdef WITH_LEVELDB
+#include "LevelDBStore.h"
+#endif
+#include "MemDB.h"
+#ifdef HAVE_LIBROCKSDB
+#include "RocksDBStore.h"
+#endif
+#ifdef HAVE_KINETIC
+#include "KineticStore.h"
+#endif
+
+KeyValueDB *KeyValueDB::create(CephContext *cct, const string& type,
+			       const string& dir,
+			       void *p)
+{
+#ifdef WITH_LEVELDB
+  if (type == "leveldb") {
+    return new LevelDBStore(cct, dir);
+  }
+#endif
+#ifdef HAVE_KINETIC
+  if (type == "kinetic" &&
+      cct->check_experimental_feature_enabled("kinetic")) {
+    return new KineticStore(cct);
+  }
+#endif
+#ifdef HAVE_LIBROCKSDB
+  if (type == "rocksdb") {
+    return new RocksDBStore(cct, dir, p);
+  }
+#endif
+
+  if ((type == "memdb") && 
+    cct->check_experimental_feature_enabled("memdb")) {
+    return new MemDB(cct, dir, p);
+  }
+  return NULL;
+}
+
+int KeyValueDB::test_init(const string& type, const string& dir)
+{
+#ifdef WITH_LEVELDB
+  if (type == "leveldb") {
+    return LevelDBStore::_test_init(dir);
+  }
+#endif
+#ifdef HAVE_KINETIC
+  if (type == "kinetic") {
+    return KineticStore::_test_init(g_ceph_context);
+  }
+#endif
+#ifdef HAVE_LIBROCKSDB
+  if (type == "rocksdb") {
+    return RocksDBStore::_test_init(dir);
+  }
+#endif
+
+  if (type == "memdb") {
+    return MemDB::_test_init(dir);
+  }
+  return -EINVAL;
+}