initial code repo

[stor4nfv.git] / src / ceph / src / os / bluestore / FreelistManager.cc

diff --git a/src/ceph/src/os/bluestore/FreelistManager.cc b/src/ceph/src/os/bluestore/FreelistManager.cc
new file mode 100644 (file)
index 0000000..9b91cc0
--- /dev/null
+++ b/src/ceph/src/os/bluestore/FreelistManager.cc
@@ -0,0 +1,26 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "FreelistManager.h"
+#include "BitmapFreelistManager.h"
+
+FreelistManager *FreelistManager::create(
+  CephContext* cct,
+  string type,
+  KeyValueDB *kvdb,
+  string prefix)
+{
+  // a bit of a hack... we hard-code the prefixes here.  we need to
+  // put the freelistmanagers in different prefixes because the merge
+  // op is per prefix, has to done pre-db-open, and we don't know the
+  // freelist type until after we open the db.
+  assert(prefix == "B");
+  if (type == "bitmap")
+    return new BitmapFreelistManager(cct, kvdb, "B", "b");
+  return NULL;
+}
+
+void FreelistManager::setup_merge_operators(KeyValueDB *db)
+{
+  BitmapFreelistManager::setup_merge_operator(db, "b");
+}