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-rw-r--r--src/librbd/object_map/RemoveRequest.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/librbd/object_map/RemoveRequest.h b/src/librbd/object_map/RemoveRequest.h
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+++ b/src/librbd/object_map/RemoveRequest.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_OBJECT_MAP_REMOVE_REQUEST_H
+#define CEPH_LIBRBD_OBJECT_MAP_REMOVE_REQUEST_H
+
+#include "include/buffer.h"
+#include "common/ceph_mutex.h"
+#include <map>
+#include <string>
+
+class Context;
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace object_map {
+
+template <typename ImageCtxT = ImageCtx>
+class RemoveRequest {
+public:
+ static RemoveRequest *create(ImageCtxT *image_ctx, Context *on_finish) {
+ return new RemoveRequest(image_ctx, on_finish);
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * | . . .
+ * v v .
+ * REMOVE_OBJECT_MAP . (for every snapshot)
+ * | . .
+ * v . . .
+ * <finis>
+ *
+ * @endverbatim
+ */
+
+ RemoveRequest(ImageCtxT *image_ctx, Context *on_finish);
+
+ ImageCtxT *m_image_ctx;
+ Context *m_on_finish;
+
+ int m_error_result = 0;
+ int m_ref_counter = 0;
+ mutable ceph::mutex m_lock =
+ ceph::make_mutex("object_map::RemoveRequest::m_lock");
+
+ void send_remove_object_map();
+ Context *handle_remove_object_map(int *result);
+};
+
+} // namespace object_map
+} // namespace librbd
+
+extern template class librbd::object_map::RemoveRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_OBJECT_MAP_REMOVE_REQUEST_H