is it possible to have fio fill the I/O buffers with data from a block device? when testing systems with both deduplication and compression enabled, it would be easier to fill the buffers with existing data. thanks, alket -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html