remove ceph code

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

diff --git a/src/ceph/src/librbd/operation/TrimRequest.h b/src/ceph/src/librbd/operation/TrimRequest.h
deleted file mode 100644 (file)
index 8526046..0000000
--- a/src/ceph/src/librbd/operation/TrimRequest.h
+++ /dev/null
@@ -1,107 +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_TRIM_REQUEST_H
-#define CEPH_LIBRBD_OPERATION_TRIM_REQUEST_H
-
-#include "librbd/AsyncRequest.h"
-
-namespace librbd
-{
-
-class ImageCtx;
-class ProgressContext;
-
-namespace operation {
-
-template <typename ImageCtxT = ImageCtx>
-class TrimRequest : public AsyncRequest<ImageCtxT>
-{
-public:
-  static TrimRequest *create(ImageCtxT &image_ctx, Context *on_finish,
-                             uint64_t original_size, uint64_t new_size,
-                             ProgressContext &prog_ctx) {
-    return new TrimRequest(image_ctx, on_finish, original_size, new_size,
-                           prog_ctx);
-  }
-
-  TrimRequest(ImageCtxT &image_ctx, Context *on_finish,
-             uint64_t original_size, uint64_t new_size,
-             ProgressContext &prog_ctx);
-
-  void send() override;
-
-protected:
-  /**
-   * Trim goes through the following state machine to remove whole objects,
-   * clean partially trimmed objects, and update the object map:
-   *
-   * @verbatim
-   *
-   *     <start>  . . . . . . . . . . . . . . . . .
-   *        |                                     .
-   *        v (skip if not needed)                .
-   * STATE_PRE_TRIM                               .
-   *        |                                     .
-   *        v (skip if not needed)                .
-   * STATE_COPYUP_OBJECTS                         .
-   *        |                                     .
-   *        v (skip if not needed)                .
-   * STATE_REMOVE_OBJECTS                         .
-   *        |                                     .
-   *        v (skip if not needed)                .
-   * STATE_POST_TRIM                              .
-   *        |                                     .
-   *        v (skip if not needed)                .
-   * STATE_CLEAN_BOUNDARY                         .
-   *        |                                     .
-   *        v                                     .
-   * STATE_FINISHED < . . . . . . . . . . . . . . .
-   *        |
-   *        v
-   *    <finish>
-   *
-   * The _COPYUP_OBJECTS state is skipped if there is no parent overlap
-   * within the new image size and the image does not have any snapshots.
-   * The _PRE_TRIM/_POST_TRIM states are skipped if the object map
-   * isn't enabled. The _REMOVE_OBJECTS state is skipped if no whole objects
-   * are removed.  The _CLEAN_BOUNDARY state is skipped if no boundary
-   * objects are cleaned.  The state machine will immediately transition
-   * to _FINISHED state if there are no bytes to trim.
-   */
-
-  enum State {
-    STATE_PRE_TRIM,
-    STATE_COPYUP_OBJECTS,
-    STATE_REMOVE_OBJECTS,
-    STATE_POST_TRIM,
-    STATE_CLEAN_BOUNDARY,
-    STATE_FINISHED
-  };
-
-  bool should_complete(int r) override;
-
-  State m_state = STATE_PRE_TRIM;
-
-private:
-  uint64_t m_delete_start;
-  uint64_t m_delete_start_min = 0;
-  uint64_t m_num_objects;
-  uint64_t m_delete_off;
-  uint64_t m_new_size;
-  ProgressContext &m_prog_ctx;
-
-  void send_pre_trim();
-  void send_copyup_objects();
-  void send_remove_objects();
-  void send_post_trim();
-
-  void send_clean_boundary();
-  void send_finish(int r);
-};
-
-} // namespace operation
-} // namespace librbd
-
-extern template class librbd::operation::TrimRequest<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_OPERATION_TRIM_REQUEST_H