88     std::vector<BlockDevice> slaves;  in GetSlaves()  local
93         slaves.push_back(dev);  in GetSlaves()
99     return slaves;  in GetSlaves()
130   std::vector<BlockDevice> slaves = top_device.GetSlaves();  in PopulateLoopInfo()  local
131   if (slaves.size() != 1 && slaves.size() != 2) {  in PopulateLoopInfo()
133                    << " has unexpected number of slaves : " << slaves.size();  in PopulateLoopInfo()
136   backing_files.reserve(slaves.size());  in PopulateLoopInfo()
137   for (const auto& dev : slaves) {  in PopulateLoopInfo()
150   if (slaves.size() == 2) {  in PopulateLoopInfo()
152       std::swap(slaves[0], slaves[1]);  in PopulateLoopInfo()
157     return Error() << "Data loop device " << slaves[0].DevPath()  in PopulateLoopInfo()
160   if (slaves.size() == 2) {  in PopulateLoopInfo()
162       return Error() << "Hashtree loop device " << slaves[1].DevPath()  in PopulateLoopInfo()
165     apex_data->hashtree_loop_name = slaves[1].DevPath();  in PopulateLoopInfo()
167   apex_data->loop_name = slaves[0].DevPath();  in PopulateLoopInfo()