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SubjectRe: ext3 vs resiserfs vs xfs
Andrew Morton wrote:
>
> Mike Fedyk wrote:
> >
> > On Wed, Nov 07, 2001 at 02:00:53PM -0800, Andrew Morton wrote:
> > > Mike Fedyk wrote:
> > > >
> > > > I have a switch "data=journal" that ext2 will choke on when I boot into an
> > > > ext2 only kernel.
> > > >
> > > > Is there another way to change the journaling mode besides modifying
> > > > /etc/fstab?
> > >
> > > Try adding `rootflags=data=journal' to your kernel boot
> > > commandline.
> > >
> >
> > Oh, JOY!
> >
> > adding that line to an ext2 only kernel will make it kernel panic when it
> > tries to mount root because it doesn't understand the option!
> >
>
> It's dumb that an unrecognised option be a fatal error. Same
> problem with modules, actually. If you add a new module option
> to modules.conf and then go back to an older kernel your module
> won't load (here's where kaos pokes me with the rtfm stick).

It might be interesting if modules.conf had a scheme similar to
versioning for System.map. E.G., search first for
/etc/modules.conf-2.4.9-6, and if not found, go for /etc/modules.conf
(as a fallback in case version-specific didn't exist).

D. Stimits, stimits@idcomm.com

>
> You can create a second entry in lilo.conf which refers to the same
> kernel image, but which doesn't have the rootflags option.
>
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