Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 111 insertions, 0 deletions

diff --git a/src/librbd/journal/ResetRequest.h b/src/librbd/journal/ResetRequest.h
new file mode 100644
index 00000000..9cc8e2e4
--- /dev/null
+++ b/src/librbd/journal/ResetRequest.h
@@ -0,0 +1,111 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_JOURNAL_RESET_REQUEST_H
+#define CEPH_LIBRBD_JOURNAL_RESET_REQUEST_H
+
+#include "include/int_types.h"
+#include "include/buffer.h"
+#include "include/rados/librados.hpp"
+#include "include/rbd/librbd.hpp"
+#include "common/Mutex.h"
+#include "librbd/journal/TypeTraits.h"
+#include <string>
+
+class Context;
+class ContextWQ;
+class SafeTimer;
+
+namespace journal { class Journaler; }
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace journal {
+
+template<typename ImageCtxT = ImageCtx>
+class ResetRequest {
+public:
+  static ResetRequest *create(librados::IoCtx &io_ctx,
+                              const std::string &image_id,
+                              const std::string &client_id,
+                              const std::string &mirror_uuid,
+                              ContextWQ *op_work_queue, Context *on_finish) {
+    return new ResetRequest(io_ctx, image_id, client_id, mirror_uuid,
+                            op_work_queue, on_finish);
+  }
+
+  ResetRequest(librados::IoCtx &io_ctx, const std::string &image_id,
+               const std::string &client_id, const std::string &mirror_uuid,
+               ContextWQ *op_work_queue, Context *on_finish)
+    : m_io_ctx(io_ctx), m_image_id(image_id), m_client_id(client_id),
+      m_mirror_uuid(mirror_uuid), m_op_work_queue(op_work_queue),
+      m_on_finish(on_finish),
+      m_cct(reinterpret_cast<CephContext *>(m_io_ctx.cct())) {
+  }
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start>
+   *    |
+   *    v
+   * INIT_JOURNALER
+   *    |
+   *    v
+   * SHUT_DOWN_JOURNALER
+   *    |
+   *    v
+   * REMOVE_JOURNAL
+   *    |
+   *    v
+   * CREATE_JOURNAL
+   *    |
+   *    v
+   * <finish>
+   *
+   * @endverbatim
+   */
+  typedef typename TypeTraits<ImageCtxT>::Journaler Journaler;
+
+  librados::IoCtx &m_io_ctx;
+  std::string m_image_id;
+  std::string m_client_id;
+  std::string m_mirror_uuid;
+  ContextWQ *m_op_work_queue;
+  Context *m_on_finish;
+
+  CephContext *m_cct;
+  Journaler *m_journaler = nullptr;
+  int m_ret_val = 0;
+
+  uint8_t m_order = 0;
+  uint8_t m_splay_width = 0;
+  std::string m_object_pool_name;
+
+  void init_journaler();
+  void handle_init_journaler(int r);
+
+  void shut_down_journaler();
+  void handle_journaler_shutdown(int r);
+
+  void remove_journal();
+  void handle_remove_journal(int r);
+
+  void create_journal();
+  void handle_create_journal(int r);
+
+  void finish(int r);
+
+};
+
+} // namespace journal
+} // namespace librbd
+
+extern template class librbd::journal::ResetRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_JOURNAL_REMOVE_REQUEST_H