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List:       linux-mm
Subject:    Re: [PATCH] 2.3.99-pre6-7 VM rebalanced
From:       Hans Reiser <hans () reiser ! to>
Date:       2000-04-30 22:50:41
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Andi Kleen wrote:
> 
> On Sun, Apr 30, 2000 at 05:27:51PM +0200, Alan Cox wrote:
> > > The problem with this is that even if the kernel is in .99 pre-release
> > > state for several weeks _nothing_ has been changed in it about the RAID
> > > stuff still, so a lot of people using 2.2 + raid 0.90 patch (eg. RedHat
> > > users) _cannot_ change to and try 2.3.99, because their partitions would
> > > not mount.
> > >
> > > It seems to me, that if we are talking about widening the testbase for
> > > 2.3.99, this is the most important item on Alan's todo list.
> >
> > In some ways it probably is. Almost every production site I would feed stuff
> > to is using raid 0.90 and some of them are now using ext3 as well.
> 
> Here I have similar problems with reiserfs (a lot of sites use it
> already, upto reiserfs root).  So far the 2.3 port cannot read 2.2
> file systems.
> 
> Andi
> 
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It can read 2.2 file systems, though once you mount it under 2.3 you can never
go back.  We are fixing that by having a -noconv mount option to prevent
conversion to the new format, but the code is not done yet.

Hans
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