remove ceph code

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

diff --git a/src/ceph/src/librbd/operation/DisableFeaturesRequest.h b/src/ceph/src/librbd/operation/DisableFeaturesRequest.h
deleted file mode 100644 (file)
index b064bc4..0000000
--- a/src/ceph/src/librbd/operation/DisableFeaturesRequest.h
+++ /dev/null
@@ -1,171 +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_DISABLE_FEATURES_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_DISABLE_FEATURES_REQUEST_H
-
-#include "librbd/ImageCtx.h"
-#include "librbd/operation/Request.h"
-#include "cls/rbd/cls_rbd_client.h"
-
-class Context;
-
-namespace librbd {
-
-class ImageCtx;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class DisableFeaturesRequest : public Request<ImageCtxT> {
-public:
-  static DisableFeaturesRequest *create(ImageCtxT &image_ctx, Context *on_finish,
-                                        uint64_t journal_op_tid,
-                                        uint64_t features, bool force) {
-    return new DisableFeaturesRequest(image_ctx, on_finish, journal_op_tid,
-                                      features, force);
-  }
-
-  DisableFeaturesRequest(ImageCtxT &image_ctx, Context *on_finish,
-                         uint64_t journal_op_tid, uint64_t features, bool force);
-
-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, false);
-  }
-
-private:
-  /**
-   * DisableFeatures goes through the following state machine:
-   *
-   * @verbatim
-   *
-   * <start>
-   *    |
-   *    v
-   * STATE_PREPARE_LOCK
-   *    |
-   *    v
-   * STATE_BLOCK_WRITES
-   *    |
-   *    v
-   * STATE_ACQUIRE_EXCLUSIVE_LOCK (skip if not
-   *    |                          required)
-   *    | (disbling journaling)
-   *    \-------------------\
-   *    |                    |
-   *    |                    V
-   *    |                 STATE_GET_MIRROR_MODE
-   *    |(not                |
-   *    | disabling          v
-   *    | journaling)     STATE_GET_MIRROR_IMAGE
-   *    |                    |
-   *    |                    v
-   *    |                 STATE_DISABLE_MIRROR_IMAGE (skip if not
-   *    |                    |                        required)
-   *    |                    v
-   *    |                 STATE_CLOSE_JOURNAL
-   *    |                    |
-   *    |                    v
-   *    |                 STATE_REMOVE_JOURNAL
-   *    |                    |
-   *    |/-------------------/
-   *    |
-   *    v
-   * STATE_APPEND_OP_EVENT (skip if journaling
-   *    |                   disabled)
-   *    v
-   * STATE_REMOVE_OBJECT_MAP (skip if not
-   *    |                     disabling object map)
-   *    v
-   * STATE_SET_FEATURES
-   *    |
-   *    v
-   * STATE_UPDATE_FLAGS
-   *    |
-   *    v
-   * STATE_NOTIFY_UPDATE
-   *    |
-   *    v
-   * STATE_REALEASE_EXCLUSIVE_LOCK (skip if not
-   *    |                           required)
-   *    | (unblock writes)
-   *    v
-   * <finish>
-   *
-   * @endverbatim
-   *
-   */
-
-  uint64_t m_features;
-  bool m_force;
-
-  bool m_acquired_lock = false;
-  bool m_writes_blocked = false;
-  bool m_snap_lock_acquired = false;
-  bool m_requests_blocked = false;
-
-  uint64_t m_new_features = 0;
-  uint64_t m_disable_flags = 0;
-  uint64_t m_features_mask = 0;
-
-  decltype(ImageCtxT::journal) m_journal = nullptr;
-  cls::rbd::MirrorMode m_mirror_mode = cls::rbd::MIRROR_MODE_DISABLED;
-  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_acquire_exclusive_lock();
-  Context *handle_acquire_exclusive_lock(int *result);
-
-  void send_get_mirror_mode();
-  Context *handle_get_mirror_mode(int *result);
-
-  void send_get_mirror_image();
-  Context *handle_get_mirror_image(int *result);
-
-  void send_disable_mirror_image();
-  Context *handle_disable_mirror_image(int *result);
-
-  void send_close_journal();
-  Context *handle_close_journal(int *result);
-
-  void send_remove_journal();
-  Context *handle_remove_journal(int *result);
-
-  void send_append_op_event();
-  Context *handle_append_op_event(int *result);
-
-  void send_remove_object_map();
-  Context *handle_remove_object_map(int *result);
-
-  void send_set_features();
-  Context *handle_set_features(int *result);
-
-  void send_update_flags();
-  Context *handle_update_flags(int *result);
-
-  void send_notify_update();
-  Context *handle_notify_update(int *result);
-
-  void send_release_exclusive_lock();
-  Context *handle_release_exclusive_lock(int *result);
-
-  Context *handle_finish(int r);
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::DisableFeaturesRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_DISABLE_FEATURES_REQUEST_H