if race.Enabled {
		race.ReleaseMerge(unsafe.Pointer(&ioSync))
	}
	err := writeFile(fd, p, done, overlapped)
	if race.Enabled && *done > 0 {
		race.ReadRange(unsafe.Pointer(&p[0]), int(*done))
	}
	if msan.Enabled && *done > 0 {
		msan.Read(unsafe.Pointer(&p[0]), uintptr(*done))
	}
	if asan.Enabled && *done > 0 {
		asan.Read(unsafe.Pointer(&p[0]), uintptr(*done))
	}