src/ceph/src/librbd/object_map/ResizeRequest.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_LIBRBD_OBJECT_MAP_RESIZE_REQUEST_H
   5 #define CEPH_LIBRBD_OBJECT_MAP_RESIZE_REQUEST_H
   6
   7 #include "include/int_types.h"
   8 #include "librbd/object_map/Request.h"
   9 #include "common/bit_vector.hpp"
  10
  11 class Context;
  12
  13 namespace librbd {
  14
  15 class ImageCtx;
  16
  17 namespace object_map {
  18
  19 class ResizeRequest : public Request {
  20 public:
  21   ResizeRequest(ImageCtx &image_ctx, ceph::BitVector<2> *object_map,
  22                 uint64_t snap_id, uint64_t new_size,
  23           uint8_t default_object_state, Context *on_finish)
  24     : Request(image_ctx, snap_id, on_finish), m_object_map(object_map),
  25       m_num_objs(0), m_new_size(new_size),
  26       m_default_object_state(default_object_state)
  27   {
  28   }
  29
  30   static void resize(ceph::BitVector<2> *object_map, uint64_t num_objs,
  31                      uint8_t default_state);
  32
  33   void send() override;
  34
  35 protected:
  36   void finish_request() override;
  37
  38 private:
  39   ceph::BitVector<2> *m_object_map;
  40   uint64_t m_num_objs;
  41   uint64_t m_new_size;
  42   uint8_t m_default_object_state;
  43 };
  44
  45 } // namespace object_map
  46 } // namespace librbd
  47
  48 #endif // CEPH_LIBRBD_OBJECT_MAP_RESIZE_REQUEST_H