remove ceph code

[stor4nfv.git] / src / ceph / src / librbd / object_map / SnapshotRollbackRequest.h

diff --git a/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.h b/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.h
deleted file mode 100644 (file)
index 47d7116..0000000
--- a/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.h
+++ /dev/null
@@ -1,74 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_ROLLBACK_REQUEST_H
-#define CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_ROLLBACK_REQUEST_H
-
-#include "include/int_types.h"
-#include "librbd/object_map/Request.h"
-
-class Context;
-
-namespace librbd {
-
-class ImageCtx;
-
-namespace object_map {
-
-class SnapshotRollbackRequest : public Request {
-public:
-  /**
-   * Snapshot rollback goes through the following state machine:
-   *
-   * @verbatim
-   *
-   * <start>
-   *    |
-   *    v           (error)
-   * STATE_READ_MAP * * * * > STATE_INVALIDATE_MAP
-   *    |                         |
-   *    v                         v
-   * STATE_WRITE_MAP -------> <finish>
-   *
-   * @endverbatim
-   *
-   * If an error occurs within the READ_MAP state, the associated snapshot's
-   * object map will be flagged as invalid.  Otherwise, an error from any state
-   * will result in the HEAD object map being flagged as invalid via the base
-   * class.
-   */
-  enum State {
-    STATE_READ_MAP,
-    STATE_INVALIDATE_MAP,
-    STATE_WRITE_MAP
-  };
-
-  SnapshotRollbackRequest(ImageCtx &image_ctx, uint64_t snap_id,
-                          Context *on_finish)
-    : Request(image_ctx, CEPH_NOSNAP, on_finish),
-      m_snap_id(snap_id), m_ret_val(0) {
-    assert(snap_id != CEPH_NOSNAP);
-  }
-
-  void send() override;
-
-protected:
-  bool should_complete(int r) override;
-
-private:
-  State m_state;
-  uint64_t m_snap_id;
-  int m_ret_val;
-
-  bufferlist m_read_bl;
-
-  void send_read_map();
-  void send_invalidate_map();
-  void send_write_map();
-
-};
-
-} // namespace object_map
-} // namespace librbd
-
-#endif // CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_ROLLBACK_REQUEST_H