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Diffstat (limited to '')
-rw-r--r-- | src/librbd/io/ObjectDispatcher.h | 60 |
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 |