Lyle Seaman wrote:
>
> Hans Reiser wrote:
>
> > Others are correct in using the terms log-structured vs. journaling where I used
> > the terms data journaling vs. metadata journaling.
> >
> > Also, it seems that ext3 is now data logging, I'll have to ask Stephen if it is
> > ready for benchmarking against now.
>
> Well, not quite correct.
> The term "log-based" means that a log is used to transactionally perform some
> filesystem operations, but doesn't specify anything about the fileystem layout and
> space allocation policies.
> The term "log-structured filesystem" was coined to signify that the on-disk layout
> actually *IS* that of a log. It is much more specific than simply stating that
> changes to file content are logged somehow.
I stand corrected.
Hans
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This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:29 EST