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SubjectRe: [PATCH] Artop update
On Fri, May 31, 2002 at 07:30:33PM +0200, Martin Dalecki wrote:
> Franz Sirl wrote:
> > Hi,
> >
> > finally I was able to test the new driver and except for the "return 0 instead
> > of dev-irq" typo all was fine. I added a few minor changes based on the
> > discussion with Vojtech though.
>
> Hey cool!
>
> > The hunk to main.c is needed to be able to boot with DEVFS enabled.
>
> Better just don't do devfs :-). But anyway...
>
> Well I'm planing to add kernel version tagging of fstab line enties
> to util-linux. This seems to be the only way to make major/minor
> transitions (and the more I think about it the more I'm convinced
> that they will be unevitable at some not so distant point in time!)
>
> Something along the lines of:
>
> cat /etc/fstab:
>
> /dev/hdc / ext3 v2.4,defaults 1 1
> /dev/sda1
> / ext3 v2.5,defaults 1 1
> LABEL=/boot /boot ext3 defaults 1 2
> /dev/fd0 /mnt/floppy auto noauto,owner 0 0
> # /dev/loop1 /mnt/1 auto noauto,owner 0 0
> # /dev/loop2 /mnt/2 auto noauto,owner 0 0
> none /proc proc defaults 0 0
> none /tmp tmpfs defaults 0 0
> none /dev/pts devpts gid=5,mode=620 0 0
> /dev/hda6 swap swap defaults 0 0
>
>
> Would be *very* convenient for this purpose and solve 99.9999% percent
> of portability problems. Well the above syntax may be the esiest to
> imeplement however the below syntax would be perhaps more palatable:
>
> 2.5:/dev/sda1
> / ext3 ....
>
> Opinnions?

I don't like this much - while it solves a setup where you use both
kernels, it isn't solving a 2.4->2.5 transition for not-really-skilled
users. I think Linus's way is the best here - provide both /dev/sda, ...
and provide also major/minor aliases (which will go away later) as
/dev/hd*

> perhaps a similar adjustments would be required for the kernel root parameter of
> course.
>
> With something along
> root=2.5:/dev/sda1,2.4:/dev/hdc
> one could be living with... The respecive kernel would just pick the entry
> which is matching it's version and be fine.

--
Vojtech Pavlik
SuSE Labs
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