X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FSnapshotRollbackRequest.h;fp=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FSnapshotRollbackRequest.h;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=a32a84dc27b0cf504ddc8d16b968bb28681314d5;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/librbd/operation/SnapshotRollbackRequest.h b/src/ceph/src/librbd/operation/SnapshotRollbackRequest.h
deleted file mode 100644
index a32a84d..0000000
--- a/src/ceph/src/librbd/operation/SnapshotRollbackRequest.h
+++ /dev/null
@@ -1,114 +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_ROLLBACK_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_SNAPSHOT_ROLLBACK_REQUEST_H
-
-#include "librbd/operation/Request.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/internal.h"
-#include "librbd/journal/Types.h"
-#include <string>
-
-class Context;
-
-namespace librbd {
-
-class ProgressContext;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class SnapshotRollbackRequest : public Request<ImageCtxT> {
-public:
-  /**
-   * Snap Rollback goes through the following state machine:
-   *
-   * @verbatim
-   *
-   * <start> ---------\
-   *                  |
-   *                  v
-   *            STATE_BLOCK_WRITES
-   *                  |
-   *                  v
-   *            STATE_RESIZE_IMAGE (skip if resize not
-   *                  |             required)
-   *                  v
-   *            STATE_ROLLBACK_OBJECT_MAP (skip if object
-   *                  |                    map disabled)
-   *                  v
-   *            STATE_ROLLBACK_OBJECTS
-   *                  |
-   *                  v
-   *            STATE_REFRESH_OBJECT_MAP  (skip if object
-   *                  |                    map disabled)
-   *                  v
-   *            STATE_INVALIDATE_CACHE (skip if cache
-   *                  |                 disabled)
-   *                  v
-   *              <finish>
-   *
-   * @endverbatim
-   *
-   * The _RESIZE_IMAGE state is skipped if the image doesn't need to be resized.
-   * The _ROLLBACK_OBJECT_MAP state is skipped if the object map isn't enabled.
-   * The _INVALIDATE_CACHE state is skipped if the cache isn't enabled.
-   */
-
-  SnapshotRollbackRequest(ImageCtxT &image_ctx, Context *on_finish,
-			  const cls::rbd::SnapshotNamespace &snap_namespace,
-                          const std::string &snap_name,
-			  uint64_t snap_id,
-                          uint64_t snap_size, ProgressContext &prog_ctx);
-  ~SnapshotRollbackRequest() override;
-
-protected:
-  void send_op() override;
-  bool should_complete(int r) override {
-    return true;
-  }
-
-  journal::Event create_event(uint64_t op_tid) const override {
-    return journal::SnapRollbackEvent(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;
-  uint64_t m_snap_size;
-  ProgressContext &m_prog_ctx;
-
-  NoOpProgressContext m_no_op_prog_ctx;
-
-  bool m_blocking_writes = false;
-  decltype(ImageCtxT::object_map) m_object_map;
-
-  void send_block_writes();
-  Context *handle_block_writes(int *result);
-
-  void send_resize_image();
-  Context *handle_resize_image(int *result);
-
-  void send_rollback_object_map();
-  Context *handle_rollback_object_map(int *result);
-
-  void send_rollback_objects();
-  Context *handle_rollback_objects(int *result);
-
-  Context *send_refresh_object_map();
-  Context *handle_refresh_object_map(int *result);
-
-  Context *send_invalidate_cache();
-  Context *handle_invalidate_cache(int *result);
-
-  void apply();
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::SnapshotRollbackRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_ROLLBACK_REQUEST_H