remove ceph code

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

diff --git a/src/ceph/src/librbd/operation/SnapshotCreateRequest.h b/src/ceph/src/librbd/operation/SnapshotCreateRequest.h
deleted file mode 100644 (file)
index 5719160..0000000
--- a/src/ceph/src/librbd/operation/SnapshotCreateRequest.h
+++ /dev/null
@@ -1,126 +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_CREATE_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_SNAPSHOT_CREATE_REQUEST_H
-
-#include "cls/rbd/cls_rbd_types.h"
-#include "librbd/Types.h"
-#include "librbd/operation/Request.h"
-#include <string>
-
-class Context;
-
-namespace librbd {
-
-class ImageCtx;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class SnapshotCreateRequest : public Request<ImageCtxT> {
-public:
-  /**
-   * Snap Create goes through the following state machine:
-   *
-   * @verbatim
-   *
-   *            <start>
-   *               |
-   *               v
-   *           STATE_SUSPEND_REQUESTS
-   *               |
-   *               v
-   *           STATE_SUSPEND_AIO * * * * * * * * * * * * *
-   *               |                                     *
-   *               v                                     *
-   *           STATE_APPEND_OP_EVENT (skip if journal    *
-   *               |                  disabled)          *
-   *   (retry)     v                                     *
-   *   . . . > STATE_ALLOCATE_SNAP_ID                    *
-   *   .           |                                     *
-   *   .           v                                     *
-   *   . . . . STATE_CREATE_SNAP * * * * * * * * * *     *
-   *               |                               *     *
-   *               v                               *     *
-   *           STATE_CREATE_OBJECT_MAP (skip if    *     *
-   *               |                    disabled)  *     *
-   *               |                               *     *
-   *               |                               v     *
-   *               |              STATE_RELEASE_SNAP_ID  *
-   *               |                     |               *
-   *               |                     v               *
-   *               \----------------> <finish> < * * * * *
-   *
-   * @endverbatim
-   *
-   * The _CREATE_STATE state may repeat back to the _ALLOCATE_SNAP_ID state
-   * if a stale snapshot context is allocated. If the create operation needs
-   * to abort, the error path is followed to record the result in the journal
-   * (if enabled) and bubble the originating error code back to the client.
-   */
-  SnapshotCreateRequest(ImageCtxT &image_ctx, Context *on_finish,
-                       const cls::rbd::SnapshotNamespace &snap_namespace,
-                       const std::string &snap_name,
-                       uint64_t journal_op_tid,
-                        bool skip_object_map);
-
-protected:
-  void send_op() override;
-  bool should_complete(int r) override {
-    return true;
-  }
-  bool can_affect_io() const override {
-    return true;
-  }
-  journal::Event create_event(uint64_t op_tid) const override {
-    return journal::SnapCreateEvent(op_tid, m_snap_namespace, m_snap_name);
-  }
-
-private:
-  cls::rbd::SnapshotNamespace m_snap_namespace;
-  std::string m_snap_name;
-  bool m_skip_object_map;
-
-  int m_ret_val;
-
-  uint64_t m_snap_id;
-  uint64_t m_size;
-  ParentInfo m_parent_info;
-
-  void send_suspend_requests();
-  Context *handle_suspend_requests(int *result);
-
-  void send_suspend_aio();
-  Context *handle_suspend_aio(int *result);
-
-  void send_append_op_event();
-  Context *handle_append_op_event(int *result);
-
-  void send_allocate_snap_id();
-  Context *handle_allocate_snap_id(int *result);
-
-  void send_create_snap();
-  Context *handle_create_snap(int *result);
-
-  Context *send_create_object_map();
-  Context *handle_create_object_map(int *result);
-
-  void send_release_snap_id();
-  Context *handle_release_snap_id(int *result);
-
-  void update_snap_context();
-
-  void save_result(int *result) {
-    if (m_ret_val == 0 && *result < 0) {
-      m_ret_val = *result;
-    }
-  }
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::SnapshotCreateRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_CREATE_REQUEST_H