ceph/src/librbd/mirror/snapshot/Utils.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_MIRROR_SNAPSHOT_UTILS_H
   5 #define CEPH_LIBRBD_MIRROR_SNAPSHOT_UTILS_H
   6
   7 #include "include/int_types.h"
   8 #include "include/stringify.h"
   9 #include <string>
  10
  11 namespace librbd {
  12
  13 struct ImageCtx;
  14
  15 namespace mirror {
  16 namespace snapshot {
  17 namespace util {
  18
  19 std::string get_image_meta_key(const std::string& mirror_uuid);
  20
  21 template <typename ImageCtxT = librbd::ImageCtx>
  22 bool can_create_primary_snapshot(ImageCtxT *image_ctx, bool demoted, bool force,
  23                                  bool* requires_orphan,
  24                                  uint64_t *rollback_snap_id);
  25
  26 template <typename ImageCtxT = librbd::ImageCtx>
  27 bool can_create_non_primary_snapshot(ImageCtxT *image_ctx);
  28
  29 template <typename ImageCtxT = librbd::ImageCtx>
  30 std::string image_state_object_name(ImageCtxT *image_ctx, uint64_t snap_id,
  31                                     uint64_t index);
  32
  33 } // namespace util
  34 } // namespace snapshot
  35 } // namespace mirror
  36 } // namespace librbd
  37
  38 #endif // CEPH_LIBRBD_MIRROR_SNAPSHOT_UTILS_H