On Tue, Sep 15, 2015 at 02:54:59PM -0700, Shaohua Li wrote: > > I don't want a sysfs config if we can possibly avoid it. > > > > Christoph's code sets FUA on every block written to the log, both data > > and metadata. Is that really what we want? > > > > I don't know much of the hardware details, but wouldn't setting FUA and > > FLUSH on the last block written be just as effective and possibly faster > > (by giving more flexibility to lower layers)?? > > How is it different against without FUA, eg, doing a flush after several bios? It's just a more complicated version of doing the same.. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html