Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 115 insertions, 0 deletions

diff --git a/src/librbd/crypto/CryptoObjectDispatch.h b/src/librbd/crypto/CryptoObjectDispatch.h
new file mode 100644
index 000000000..b72fe1948
--- /dev/null
+++ b/src/librbd/crypto/CryptoObjectDispatch.h
@@ -0,0 +1,115 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H
+#define CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H
+
+#include "librbd/crypto/CryptoInterface.h"
+#include "librbd/io/Types.h"
+#include "librbd/io/ObjectDispatchInterface.h"
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace crypto {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class CryptoObjectDispatch : public io::ObjectDispatchInterface {
+public:
+  static CryptoObjectDispatch* create(
+          ImageCtxT* image_ctx, CryptoInterface* crypto) {
+    return new CryptoObjectDispatch(image_ctx, crypto);
+  }
+
+  CryptoObjectDispatch(ImageCtxT* image_ctx,
+                       CryptoInterface* crypto);
+
+  io::ObjectDispatchLayer get_dispatch_layer() const override {
+    return io::OBJECT_DISPATCH_LAYER_CRYPTO;
+  }
+
+  void shut_down(Context* on_finish) override;
+
+  bool read(
+      uint64_t object_no, io::ReadExtents* extents, IOContext io_context,
+      int op_flags, int read_flags, const ZTracer::Trace &parent_trace,
+      uint64_t* version, int* object_dispatch_flags,
+      io::DispatchResult* dispatch_result, Context** on_finish,
+      Context* on_dispatched) override;
+
+  bool discard(
+      uint64_t object_no, uint64_t object_off, uint64_t object_len,
+      IOContext io_context, int discard_flags,
+      const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
+      uint64_t* journal_tid, io::DispatchResult* dispatch_result,
+      Context** on_finish, Context* on_dispatched) override;
+
+  bool write(
+      uint64_t object_no, uint64_t object_off, ceph::bufferlist&& data,
+      IOContext io_context, int op_flags, int write_flags,
+      std::optional<uint64_t> assert_version,
+      const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
+      uint64_t* journal_tid, io::DispatchResult* dispatch_result,
+      Context** on_finish, Context* on_dispatched) override;
+
+  bool write_same(
+      uint64_t object_no, uint64_t object_off, uint64_t object_len,
+      io::LightweightBufferExtents&& buffer_extents, ceph::bufferlist&& data,
+      IOContext io_context, int op_flags,
+      const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
+      uint64_t* journal_tid, io::DispatchResult* dispatch_result,
+      Context** on_finish, Context* on_dispatched) override;
+
+  bool compare_and_write(
+      uint64_t object_no, uint64_t object_off, ceph::bufferlist&& cmp_data,
+      ceph::bufferlist&& write_data, IOContext io_context, int op_flags,
+      const ZTracer::Trace &parent_trace, uint64_t* mismatch_offset,
+      int* object_dispatch_flags, uint64_t* journal_tid,
+      io::DispatchResult* dispatch_result, Context** on_finish,
+      Context* on_dispatched) override;
+
+  bool flush(
+      io::FlushSource flush_source, const ZTracer::Trace &parent_trace,
+      uint64_t* journal_tid, io::DispatchResult* dispatch_result,
+      Context** on_finish, Context* on_dispatched) override {
+    return false;
+  }
+
+  bool list_snaps(
+      uint64_t object_no, io::Extents&& extents, io::SnapIds&& snap_ids,
+      int list_snap_flags, const ZTracer::Trace &parent_trace,
+      io::SnapshotDelta* snapshot_delta, int* object_dispatch_flags,
+      io::DispatchResult* dispatch_result, Context** on_finish,
+      Context* on_dispatched) override {
+    return false;
+  }
+
+  bool invalidate_cache(Context* on_finish) override {
+    return false;
+  }
+  bool reset_existence_cache(Context* on_finish) override {
+    return false;
+  }
+
+  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,
+      io::SnapshotSparseBufferlist* snapshot_sparse_bufferlist) override;
+
+private:
+  ImageCtxT* m_image_ctx;
+  CryptoInterface* m_crypto;
+  uint64_t m_data_offset_object_no;
+};
+
+} // namespace crypto
+} // namespace librbd
+
+extern template class librbd::crypto::CryptoObjectDispatch<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H