remove ceph code

[stor4nfv.git] / src / ceph / src / librbd / operation / SnapshotRemoveRequest.h

diff --git a/src/ceph/src/librbd/operation/SnapshotRemoveRequest.h b/src/ceph/src/librbd/operation/SnapshotRemoveRequest.h
deleted file mode 100644 (file)
index 0f4331e..0000000
--- a/src/ceph/src/librbd/operation/SnapshotRemoveRequest.h
+++ /dev/null
@@ -1,100 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_LIBRBD_OPERATION_SNAPSHOT_REMOVE_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_SNAPSHOT_REMOVE_REQUEST_H
-
-#include "librbd/operation/Request.h"
-#include "librbd/Types.h"
-#include <string>
-
-class Context;
-
-namespace librbd {
-
-class ImageCtx;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class SnapshotRemoveRequest : public Request<ImageCtxT> {
-public:
-  /**
-   * Snap Remove goes through the following state machine:
-   *
-   * @verbatim
-   *
-   * <start> ------\
-   *  .            |
-   *  .            v
-   *  .     STATE_REMOVE_OBJECT_MAP
-   *  .            |            .
-   *  .            v            .
-   *  . . > STATE_REMOVE_CHILD  .
-   *  .            |            .
-   *  .            |      . . . .
-   *  .            |      .
-   *  .            v      v
-   *  . . > STATE_REMOVE_SNAP
-   *               |
-   *               v
-   *        STATE_RELEASE_SNAP_ID
-   *               |
-   *               v
-   *           <finish>
-   *
-   * @endverbatim
-   *
-   * The _REMOVE_OBJECT_MAP state is skipped if the object map is not enabled.
-   * The _REMOVE_CHILD state is skipped if the parent is still in-use.
-   */
-  enum State {
-    STATE_REMOVE_OBJECT_MAP,
-    STATE_REMOVE_CHILD,
-    STATE_REMOVE_SNAP,
-    STATE_RELEASE_SNAP_ID,
-    STATE_ERROR
-  };
-
-  SnapshotRemoveRequest(ImageCtxT &image_ctx, Context *on_finish,
-                       const cls::rbd::SnapshotNamespace &snap_namespace,
-                       const std::string &snap_name,
-                       uint64_t snap_id);
-
-protected:
-  void send_op() override;
-  bool should_complete(int r) override;
-
-  journal::Event create_event(uint64_t op_tid) const override {
-    return journal::SnapRemoveEvent(op_tid, m_snap_namespace, m_snap_name);
-  }
-
-private:
-  cls::rbd::SnapshotNamespace m_snap_namespace;
-  std::string m_snap_name;
-  uint64_t m_snap_id;
-  State m_state;
-
-  int filter_state_return_code(int r) const {
-    if (m_state == STATE_REMOVE_CHILD && r == -ENOENT) {
-      return 0;
-    }
-    return r;
-  }
-
-  void send_remove_object_map();
-  void send_remove_child();
-  void send_remove_snap();
-  void send_release_snap_id();
-
-  void remove_snap_context();
-  int scan_for_parents(ParentSpec &pspec);
-
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::SnapshotRemoveRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_REMOVE_REQUEST_H