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-rw-r--r--src/librbd/operation/ObjectMapIterate.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/librbd/operation/ObjectMapIterate.h b/src/librbd/operation/ObjectMapIterate.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_OPERATION_OBJECT_MAP_ITERATE_H
+#define CEPH_LIBRBD_OPERATION_OBJECT_MAP_ITERATE_H
+
+#include <iostream>
+#include <atomic>
+
+#include "include/int_types.h"
+#include "include/rbd/object_map_types.h"
+#include "librbd/AsyncRequest.h"
+
+namespace librbd {
+
+class ImageCtx;
+class ProgressContext;
+
+namespace operation {
+
+template <typename ImageCtxT = ImageCtx>
+using ObjectIterateWork = bool(*)(ImageCtxT &image_ctx,
+ uint64_t object_no,
+ uint8_t current_state,
+ uint8_t new_state);
+
+template <typename ImageCtxT = ImageCtx>
+class ObjectMapIterateRequest : public AsyncRequest<ImageCtxT> {
+public:
+ ObjectMapIterateRequest(ImageCtxT &image_ctx, Context *on_finish,
+ ProgressContext &prog_ctx,
+ ObjectIterateWork<ImageCtxT> handle_mismatch)
+ : AsyncRequest<ImageCtxT>(image_ctx, on_finish), m_image_ctx(image_ctx),
+ m_prog_ctx(prog_ctx), m_handle_mismatch(handle_mismatch)
+ {
+ }
+
+ void send() override;
+
+protected:
+ bool should_complete(int r) override;
+
+private:
+ enum State {
+ STATE_VERIFY_OBJECTS,
+ STATE_INVALIDATE_OBJECT_MAP
+ };
+
+ ImageCtxT &m_image_ctx;
+ ProgressContext &m_prog_ctx;
+ ObjectIterateWork<ImageCtxT> m_handle_mismatch;
+ std::atomic_flag m_invalidate = ATOMIC_FLAG_INIT;
+ State m_state = STATE_VERIFY_OBJECTS;
+
+ void send_verify_objects();
+ void send_invalidate_object_map();
+
+ uint64_t get_image_size() const;
+};
+
+} // namespace operation
+} // namespace librbd
+
+extern template class librbd::operation::ObjectMapIterateRequest<librbd::ImageCtx>;
+
+#endif