ceph/src/librbd/deep_copy/Utils.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "Utils.h"
   5
   6 namespace librbd {
   7 namespace deep_copy {
   8 namespace util {
   9
  10 void compute_snap_map(librados::snap_t snap_id_start,
  11                       librados::snap_t snap_id_end,
  12                       const SnapSeqs &snap_seqs,
  13                       SnapMap *snap_map) {
  14   SnapIds snap_ids;
  15   for (auto &it : snap_seqs) {
  16     snap_ids.insert(snap_ids.begin(), it.second);
  17     if (it.first < snap_id_start) {
  18       continue;
  19     } else if (it.first > snap_id_end) {
  20       break;
  21     }
  22
  23     (*snap_map)[it.first] = snap_ids;
  24   }
  25 }
  26
  27 } // util
  28 } // namespace deep_copy
  29 } // namespace librbd