91     std::vector<BlockDevice> slaves;  in GetSlaves()  local
96         slaves.push_back(dev);  in GetSlaves()
102     return slaves;  in GetSlaves()
136   std::vector<BlockDevice> slaves = top_device.GetSlaves();  in PopulateLoopInfo()  local
137   if (slaves.size() != 1 && slaves.size() != 2) {  in PopulateLoopInfo()
139                    << " has unexpected number of slaves : " << slaves.size();  in PopulateLoopInfo()
142   backing_files.reserve(slaves.size());  in PopulateLoopInfo()
143   for (const auto& dev : slaves) {  in PopulateLoopInfo()
160   if (slaves.size() == 2) {  in PopulateLoopInfo()
162       std::swap(slaves[0], slaves[1]);  in PopulateLoopInfo()
167     return Error() << "Data loop device " << slaves[0].DevPath()  in PopulateLoopInfo()
170   if (slaves.size() == 2) {  in PopulateLoopInfo()
172       return Error() << "Hashtree loop device " << slaves[1].DevPath()  in PopulateLoopInfo()
175     apex_data->hashtree_loop_name = slaves[1].DevPath();  in PopulateLoopInfo()
177   apex_data->loop_name = slaves[0].DevPath();  in PopulateLoopInfo()