1 files changed, 57 insertions, 0 deletions
diff --git a/src/crimson/os/seastore/onode_manager.h b/src/crimson/os/seastore/onode_manager.h
new file mode 100644
index 000000000..0a03b7fdf
--- /dev/null
+++ b/src/crimson/os/seastore/onode_manager.h
@@ -0,0 +1,57 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <iostream>
+
+#include <boost/intrusive_ptr.hpp>
+#include <boost/smart_ptr/intrusive_ref_counter.hpp>
+#include <seastar/core/future.hh>
+
+#include "include/buffer_fwd.h"
+#include "include/ceph_assert.h"
+#include "common/hobject.h"
+
+#include "crimson/os/seastore/onode.h"
+#include "crimson/os/seastore/seastore_types.h"
+#include "crimson/os/seastore/transaction_manager.h"
+#include "crimson/osd/exceptions.h"
+
+namespace crimson::os::seastore {
+
+class OnodeManager {
+public:
+  using open_ertr = crimson::errorator<
+    crimson::ct_error::input_output_error>;
+  virtual open_ertr::future<OnodeRef> get_or_create_onode(
+    Transaction &trans,
+    const ghobject_t &hoid) {
+    return open_ertr::make_ready_future<OnodeRef>();
+  }
+  virtual open_ertr::future<std::vector<OnodeRef>> get_or_create_onodes(
+    Transaction &trans,
+    const std::vector<ghobject_t> &hoids) {
+    return open_ertr::make_ready_future<std::vector<OnodeRef>>();
+  }
+
+  using write_ertr= crimson::errorator<
+    crimson::ct_error::input_output_error>;
+  virtual write_ertr::future<> write_dirty(
+    Transaction &trans,
+    const std::vector<OnodeRef> &onodes) {
+    return write_ertr::now();
+  }
+  virtual ~OnodeManager() {}
+};
+using OnodeManagerRef = std::unique_ptr<OnodeManager>;
+
+namespace onode_manager {
+
+OnodeManagerRef create_ephemeral() {
+  return OnodeManagerRef();
+}
+
+}
+
+}