Linux-kernel mailing list archive 2000-23,: Re: (reiserfs) Re: New Linux 2.5 - 2.6 TODO (Alan Cox suggests

# Re: (reiserfs) Re: New Linux 2.5 - 2.6 TODO (Alan Cox suggests

Rik van Riel (riel@conectiva.com.br)
Mon, 5 Jun 2000 09:53:12 -0300 (BRST)

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On Mon, 5 Jun 2000, Lars Marowsky-Bree wrote:
> On 2000-06-05T13:26:54,
> Alan Cox <alan@lxorguk.ukuu.org.uk> said:
>
> > Rik is probably right. One thing we try very hard to do is to ensure you can
> > always go backwards. 2.2.15 for example does nothing to your box that means
> > you cannot go back to 2.2.0.
>
> I don't disagree here. 2.4.x and 2.4.y should always have compatible disk
> formats - barring real hard bugs - for any x or y.
>
> However, as long as that is warranted, I don't see any problem with 2.x having
> a different disk format than 2.y. (As long as such is clearly advertised)

I don't think that's enough. When a user wants to try out
2.5 one evening, it should be possible to reboot back into
2.4 without having to reformat the disk.

Reiserfs needs both forward and backward compatability as a
default.

regards,

Rik

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