145                                     std::string *fs_blk_device,  in GetFsBlockDeviceAndType()  argument
156       *fs_blk_device = mnt->mnt_fsname;  in GetFsBlockDeviceAndType()
170 static bool GetFilesystemUuid(const std::string &fs_blk_device,  in GetFilesystemUuid()  argument
174       open(fs_blk_device.c_str(), O_RDONLY | O_CLOEXEC));  in GetFilesystemUuid()
176     ADD_FAILURE() << "Failed to open fs block device " << fs_blk_device  in GetFilesystemUuid()
185       ADD_FAILURE() << "Error reading ext4 superblock from " << fs_blk_device  in GetFilesystemUuid()
190       ADD_FAILURE() << "Failed to find ext4 superblock on " << fs_blk_device;  in GetFilesystemUuid()
201       ADD_FAILURE() << "Error reading f2fs superblock from " << fs_blk_device  in GetFilesystemUuid()
206       ADD_FAILURE() << "Failed to find f2fs superblock on " << fs_blk_device;  in GetFilesystemUuid()
212                     << fs_blk_device << Errno();  in GetFilesystemUuid()
235 static bool GetRawBlockDevice(const std::string &fs_blk_device,  in GetRawBlockDevice()  argument
239   if (!dm.IsDmBlockDevice(fs_blk_device)) {  in GetRawBlockDevice()
241         << fs_blk_device  in GetRawBlockDevice()
243     *raw_blk_device = fs_blk_device;  in GetRawBlockDevice()
247       dm.GetDmDeviceNameByPath(fs_blk_device);  in GetRawBlockDevice()
250                   << fs_blk_device;  in GetRawBlockDevice()
260     GTEST_LOG_(INFO) << fs_blk_device  in GetRawBlockDevice()
263     *raw_blk_device = fs_blk_device;  in GetRawBlockDevice()
268     GTEST_LOG_(INFO) << fs_blk_device << " is a dm-" << target_type  in GetRawBlockDevice()
271     *raw_blk_device = fs_blk_device;  in GetRawBlockDevice()
275       dm.GetParentBlockDeviceByPath(fs_blk_device);  in GetRawBlockDevice()
286   if (!GetFsBlockDeviceAndType(mountpoint, &info->fs_blk_device, &info->type))  in GetFilesystemInfo()
289   if (!GetFilesystemUuid(info->fs_blk_device, info->type, &info->uuid))  in GetFilesystemInfo()
292   if (!GetRawBlockDevice(info->fs_blk_device, &info->raw_blk_device))  in GetFilesystemInfo()
295   GTEST_LOG_(INFO) << info->fs_blk_device << " is mounted on " << mountpoint  in GetFilesystemInfo()