remove ceph code

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

diff --git a/src/ceph/src/librbd/operation/EnableFeaturesRequest.h b/src/ceph/src/librbd/operation/EnableFeaturesRequest.h
deleted file mode 100644 (file)
index 1c91b4d..0000000
--- a/src/ceph/src/librbd/operation/EnableFeaturesRequest.h
+++ /dev/null
@@ -1,135 +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_ENABLE_FEATURES_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_ENABLE_FEATURES_REQUEST_H
-
-#include "librbd/operation/Request.h"
-
-class Context;
-
-namespace librbd {
-
-class ImageCtx;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class EnableFeaturesRequest : public Request<ImageCtxT> {
-public:
-  static EnableFeaturesRequest *create(ImageCtxT &image_ctx, Context *on_finish,
-                                       uint64_t journal_op_tid,
-                                       uint64_t features) {
-    return new EnableFeaturesRequest(image_ctx, on_finish, journal_op_tid,
-                                     features);
-  }
-
-  EnableFeaturesRequest(ImageCtxT &image_ctx, Context *on_finish,
-                        uint64_t journal_op_tid, uint64_t features);
-
-protected:
-  void send_op() override;
-  bool should_complete(int r) override;
-  bool can_affect_io() const override {
-    return true;
-  }
-  journal::Event create_event(uint64_t op_tid) const override {
-    return journal::UpdateFeaturesEvent(op_tid, m_features, true);
-  }
-
-private:
-  /**
-   * EnableFeatures goes through the following state machine:
-   *
-   * @verbatim
-   *
-   * <start>
-   *    |
-   *    v
-   * STATE_PREPARE_LOCK
-   *    |
-   *    v
-   * STATE_BLOCK_WRITES
-   *    |
-   *    v
-   * STATE_GET_MIRROR_MODE
-   *    |
-   *    v
-   * STATE_CREATE_JOURNAL (skip if not
-   *    |                  required)
-   *    v
-   * STATE_APPEND_OP_EVENT (skip if journaling
-   *    |                   disabled)
-   *    v
-   * STATE_UPDATE_FLAGS
-   *    |
-   *    v
-   * STATE_SET_FEATURES
-   *    |
-   *    v
-   * STATE_CREATE_OBJECT_MAP (skip if not
-   *    |                     required)
-   *    v
-   * STATE_ENABLE_MIRROR_IMAGE
-   *    |
-   *    V
-   * STATE_NOTIFY_UPDATE
-   *    |
-   *    | (unblock writes)
-   *    v
-   * <finish>
-   * @endverbatim
-   *
-   */
-
-  uint64_t m_features;
-
-  bool m_enable_mirroring = false;
-  bool m_requests_blocked = false;
-  bool m_writes_blocked = false;
-
-  uint64_t m_new_features = 0;
-  uint64_t m_enable_flags = 0;
-  uint64_t m_features_mask = 0;
-
-  bufferlist m_out_bl;
-
-  void send_prepare_lock();
-  Context *handle_prepare_lock(int *result);
-
-  void send_block_writes();
-  Context *handle_block_writes(int *result);
-
-  void send_get_mirror_mode();
-  Context *handle_get_mirror_mode(int *result);
-
-  void send_create_journal();
-  Context *handle_create_journal(int *result);
-
-  void send_append_op_event();
-  Context *handle_append_op_event(int *result);
-
-  void send_update_flags();
-  Context *handle_update_flags(int *result);
-
-  void send_set_features();
-  Context *handle_set_features(int *result);
-
-  void send_create_object_map();
-  Context *handle_create_object_map(int *result);
-
-  void send_enable_mirror_image();
-  Context *handle_enable_mirror_image(int *result);
-
-  void send_notify_update();
-  Context *handle_notify_update(int *result);
-
-  Context *handle_finish(int r);
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::EnableFeaturesRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_ENABLE_FEATURES_REQUEST_H