Chris Mason wrote:
>
> On Tue, 6 Jun 2000, Hans Reiser wrote:
>
> > Alan Cox wrote:
> > >
> > > > fs
> > > > --
> > > > W Merge ext3
> > > > W Merge ReiserFS
> > > W Merge XFS
> > > W Merge NWFS
> > >
> > > (All four depend in part on putting the right core journal layer there for
> > > them all to use)
> >
> > This is just a RedHat bureaucratic excuse to delay reiserfs. Tweedie has long
> > suggested that we should use his journaling code, and that his code should form
> > some sort of standard journaling layer. The only problem with that is that he
> > showed no interest in making it work for reiserfs, or in tuning it for reiserfs,
> > or doing anything else for any FS other than ext2. We have working journaling
> > code, and yours is bad enough that you tell us it is horribly unfair to
> > benchmark against it! So you suggest that we wait until you have something that
> > will allow us to use your code!? If you want us to use your code, show the
> > code, stop promising the code, and stop telling us to wait for it rather than
> > using our benchmarkably better code. Prove that your code can work for reiserfs
> > as fast as what we use today. The fact is, Chris Mason kicked your asses
> > performance wise and now you want to employ some journaling standardization
> > process to stall your competitors that you can't program as well as.
> >
>
> Hans, take a deep breath. Alan's opinions about reiserfs haven't changed
> in a long time. The fact that he disagrees with us does not make a redhat
> conspiracy.
>
> I'm not sure all 4 filesystems can use the same core journal layer...and
> if they could, I'm not sure they want to, as each one will have its own
> performance needs. But, if we can find a single layer for 2.5 that
> supports the different needs of each FS (GFS too while we are at it), I'd
> love to see the reiserfs code use it.
>
> It seems that Stephen started out with the goal of making a generic, easy
> to use layer for any FS, with the best interests of the linux kernel in
> mind. I wrote something just for us, because I wanted a challenge. Look
> through the ext3 code and the reiserfs journal.c, and it will be clear
> Stephen knew what he was doing from the start, and I learned as I went
> along.
>
> In other words, quit saying that I did a better job than ext3. We had
> different goals, and it will be a long time I before understand things as
> well as Stephen does.
You did a better job, just look at the benchmarks.
Yura Rupasov, please send us a complete set of fresh benchmarks of ext3 vs.
reiserfs if you aren't doing anything more urgent.
Hans
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This archive was generated by hypermail 2b29 : Wed Jun 07 2000 - 21:00:23 EST