79     loop_device_ = std::string("/dev/block/loop") + std::to_string(i);  in SetUp()
82     unique_fd lfd(open(loop_device_.c_str(), O_RDWR));  in SetUp()
90     unique_fd lfd(open(loop_device_.c_str(), O_RDWR));  in TearDown()
101   std::string loop_device_;  member in android::LoopbackTestFixture
128     PrepareBow(loop_device_);  in SetUp()
134                                                   loop_device_.c_str()));  in SetUp()
152   using LoopbackTestFixture<PrepareLoop>::loop_device_;
278       fd = unique_fd(open(loop_device_.c_str(), O_RDONLY));  in FindChanged()
345     system(std::string("vdc checkpoint restoreCheckpoint " + loop_device_)  in WriteRestore()
475       system((std::string("mount ") + loop_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()
495   system((std::string("vdc checkpoint restoreCheckpoint ") + loop_device_)  in TEST_F()
498       system((std::string("mount ") + loop_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()