dax_synchronous
EXPORT_SYMBOL_GPL(dax_synchronous);
return !dev->dax_dev || !dax_synchronous(dev->dax_dev);
if (!dax_synchronous(wc->ssd_dev->dax_dev)) {
bool dax_synchronous(struct dax_device *dax_dev);
return dax_synchronous(dax_dev);