Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 95 insertions, 0 deletions

diff --git a/src/librbd/deep_copy/SnapshotCreateRequest.h b/src/librbd/deep_copy/SnapshotCreateRequest.h
new file mode 100644
index 00000000..8c228063
--- /dev/null
+++ b/src/librbd/deep_copy/SnapshotCreateRequest.h
@@ -0,0 +1,95 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H
+#define CEPH_LIBRBD_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H
+
+#include "include/int_types.h"
+#include "include/rados/librados.hpp"
+#include "common/snap_types.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/Types.h"
+#include <map>
+#include <set>
+#include <string>
+#include <tuple>
+
+class Context;
+
+namespace librbd {
+namespace deep_copy {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class SnapshotCreateRequest {
+public:
+  static SnapshotCreateRequest* create(ImageCtxT *dst_image_ctx,
+                                       const std::string &snap_name,
+                                       const cls::rbd::SnapshotNamespace &snap_namespace,
+                                       uint64_t size,
+                                       const cls::rbd::ParentImageSpec &parent_spec,
+                                       uint64_t parent_overlap,
+                                       Context *on_finish) {
+    return new SnapshotCreateRequest(dst_image_ctx, snap_name, snap_namespace, size,
+                                     parent_spec, parent_overlap, on_finish);
+  }
+
+  SnapshotCreateRequest(ImageCtxT *dst_image_ctx,
+                        const std::string &snap_name,
+			const cls::rbd::SnapshotNamespace &snap_namespace,
+			uint64_t size,
+                        const cls::rbd::ParentImageSpec &parent_spec,
+                        uint64_t parent_overlap, Context *on_finish);
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start>
+   *    |
+   *    v
+   * SET_HEAD
+   *    |
+   *    v
+   * CREATE_SNAP
+   *    |
+   *    v (skip if not needed)
+   * CREATE_OBJECT_MAP
+   *    |
+   *    v
+   * <finish>
+   *
+   * @endverbatim
+   */
+
+  ImageCtxT *m_dst_image_ctx;
+  std::string m_snap_name;
+  cls::rbd::SnapshotNamespace m_snap_namespace;
+  uint64_t m_size;
+  cls::rbd::ParentImageSpec m_parent_spec;
+  uint64_t m_parent_overlap;
+  Context *m_on_finish;
+
+  CephContext *m_cct;
+
+  void send_set_head();
+  void handle_set_head(int r);
+
+  void send_create_snap();
+  void handle_create_snap(int r);
+
+  void send_create_object_map();
+  void handle_create_object_map(int r);
+
+  Context *start_lock_op(int* r);
+
+  void finish(int r);
+};
+
+} // namespace deep_copy
+} // namespace librbd
+
+extern template class librbd::deep_copy::SnapshotCreateRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H