1 files changed, 63 insertions, 0 deletions
diff --git a/src/librbd/operation/SnapshotRenameRequest.h b/src/librbd/operation/SnapshotRenameRequest.h
new file mode 100644
index 000000000..697772e02
--- /dev/null
+++ b/src/librbd/operation/SnapshotRenameRequest.h
@@ -0,0 +1,63 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_OPERATION_SNAPSHOT_RENAME_REQUEST_H
+#define CEPH_LIBRBD_OPERATION_SNAPSHOT_RENAME_REQUEST_H
+
+#include "librbd/operation/Request.h"
+#include <string>
+
+class Context;
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace operation {
+
+template <typename ImageCtxT = ImageCtx>
+class SnapshotRenameRequest : public Request<ImageCtxT> {
+public:
+  /**
+   * Snap Rename goes through the following state machine:
+   *
+   * @verbatim
+   *
+   * <start>
+   *    |
+   *    v
+   * STATE_RENAME_SNAP
+   *    |
+   *    v
+   * <finish>
+   *
+   * @endverbatim
+   *
+   */
+  enum State {
+    STATE_RENAME_SNAP
+  };
+
+  SnapshotRenameRequest(ImageCtxT &image_ctx, Context *on_finish,
+                        uint64_t snap_id, const std::string &snap_name);
+
+  journal::Event create_event(uint64_t op_tid) const override;
+
+protected:
+  void send_op() override;
+  bool should_complete(int r) override;
+
+private:
+  uint64_t m_snap_id;
+  std::string m_snap_name;
+  State m_state;
+
+  void send_rename_snap();
+};
+
+} // namespace operation
+} // namespace librbd
+
+extern template class librbd::operation::SnapshotRenameRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_RENAME_REQUEST_H