> >
> > Of course, if you don't use Linux on the desktop you don't really care -
> well, I do. Also
> > not everyone in this world has an UPS - which means such a huge buffer
> can lead to a
> > serious data loss in case of a power blackout.
>
> I don't have a desk (just a lap), but I use Linux on all my computers and
> I've never really noticed the problem.  Maybe I'm just very patient, or
> maybe
> I don't work with large data sets and slow devices.
>
> However I don't think data-loss is really a related issue.  Any process
> that
> cares about data safety *must* use fsync at appropriate places.  This has
> always been true.
>
> =>May i ask question that, some like ext4 filesystem, if some app motify
the files, it create some dirty data. if some meta-data writing to the
journal disk when a power backout,
it will be lose some serious data and the the file will damage?