Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

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

1 files changed, 60 insertions, 0 deletions

diff --git a/src/librbd/io/ObjectDispatcher.h b/src/librbd/io/ObjectDispatcher.h
new file mode 100644
index 000000000..1e5e78d8b
--- /dev/null
+++ b/src/librbd/io/ObjectDispatcher.h
@@ -0,0 +1,60 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_IO_OBJECT_DISPATCHER_H
+#define CEPH_LIBRBD_IO_OBJECT_DISPATCHER_H
+
+#include "include/int_types.h"
+#include "common/ceph_mutex.h"
+#include "librbd/io/Dispatcher.h"
+#include "librbd/io/ObjectDispatchInterface.h"
+#include "librbd/io/ObjectDispatchSpec.h"
+#include "librbd/io/ObjectDispatcherInterface.h"
+#include "librbd/io/Types.h"
+#include <map>
+
+struct Context;
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace io {
+
+template <typename ImageCtxT = ImageCtx>
+class ObjectDispatcher
+  : public Dispatcher<ImageCtxT, ObjectDispatcherInterface> {
+public:
+  ObjectDispatcher(ImageCtxT* image_ctx);
+
+  void invalidate_cache(Context* on_finish) override;
+  void reset_existence_cache(Context* on_finish) override;
+
+  void extent_overwritten(
+      uint64_t object_no, uint64_t object_off, uint64_t object_len,
+      uint64_t journal_tid, uint64_t new_journal_tid) override;
+
+  int prepare_copyup(
+      uint64_t object_no,
+      SnapshotSparseBufferlist* snapshot_sparse_bufferlist) override;
+
+  using typename Dispatcher<ImageCtxT, ObjectDispatcherInterface>::C_LayerIterator;
+
+  using typename Dispatcher<ImageCtxT, ObjectDispatcherInterface>::C_InvalidateCache;
+
+protected:
+  bool send_dispatch(ObjectDispatchInterface* object_dispatch,
+                     ObjectDispatchSpec* object_dispatch_spec) override;
+
+private:
+  struct C_ResetExistenceCache;
+  struct SendVisitor;
+
+};
+
+} // namespace io
+} // namespace librbd
+
+extern template class librbd::io::ObjectDispatcher<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_IO_OBJECT_DISPATCHER_H