Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/librbd/object_map/UnlockRequest.h b/src/librbd/object_map/UnlockRequest.h
new file mode 100644
index 000000000..d2d8dcd48
--- /dev/null
+++ b/src/librbd/object_map/UnlockRequest.h
@@ -0,0 +1,47 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_OBJECT_MAP_UNLOCK_REQUEST_H
+#define CEPH_LIBRBD_OBJECT_MAP_UNLOCK_REQUEST_H
+
+class Context;
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace object_map {
+
+template <typename ImageCtxT = ImageCtx>
+class UnlockRequest {
+public:
+  static UnlockRequest *create(ImageCtxT &image_ctx, Context *on_finish) {
+    return new UnlockRequest(image_ctx, on_finish);
+  }
+
+  UnlockRequest(ImageCtxT &image_ctx, Context *on_finish);
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start> ----> UNLOCK ----> <finish>
+   *
+   * @endverbatim
+   */
+
+  ImageCtxT &m_image_ctx;
+  Context *m_on_finish;
+
+  void send_unlock();
+  Context* handle_unlock(int *ret_val);
+};
+
+} // namespace object_map
+} // namespace librbd
+
+extern template class librbd::object_map::UnlockRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_OBJECT_MAP_UNLOCK_REQUEST_H