88   const std::string sysfs_path =  in ConfigureScheduler()  local
90   unique_fd sysfs_fd(open(sysfs_path.c_str(), O_RDWR | O_CLOEXEC));  in ConfigureScheduler()
92     return ErrnoError() << "Failed to open " << sysfs_path;  in ConfigureScheduler()
102   if (!ReadFileToString(sysfs_path, &cur_sched_str)) {  in ConfigureScheduler()
103     return ErrnoError() << "Failed to read " << sysfs_path;  in ConfigureScheduler()
118     return ErrnoError() << "Failed to write to " << sysfs_path;  in ConfigureScheduler()
247   const std::string sysfs_path =  in ConfigureQueueDepth()  local
250   if (!ReadFileToString(sysfs_path, &cur_nr_requests_str)) {  in ConfigureQueueDepth()
251     return ErrnoError() << "Failed to read " << sysfs_path;  in ConfigureQueueDepth()
259   unique_fd sysfs_fd(open(sysfs_path.c_str(), O_RDWR | O_CLOEXEC));  in ConfigureQueueDepth()
261     return ErrnoErrorf("Failed to open {}", sysfs_path);  in ConfigureQueueDepth()
276     return ErrnoErrorf("Failed to write {} to {}", *qd, sysfs_path);  in ConfigureQueueDepth()