Re: jfs, jfsutils?

[Tobias Geerinckx-Rice]

Michael,

Michael Zucchi 写道：
> I just built a new computer and thought i'd give guix a go

That's great to hear!  Welcome.

> but after
> finally getting everything working to the install stage ... I 
> hit a
> personal showstopper - no jfs support whatsoever.  It's mostly 
> an
> afterthought on every other distribution but this was a 
> surprise.
>
> Any reason for this or is it just that nobody thought of it?

s/thought/uses/

Nobody's going to add support for a file system they don't use, 
and nobody boots Guix from JFS.

…yet. :-)

> Anyway, I just ended up installing slackware-current and have 
> then
> installed guix atop that, to grab a few packages and to get more
> familiar with it.  I would probably have had to do that anyway 
> as it
> was probably too much to learn at once but I currently have a 
> lot of
> spare time to fill, so tried guix first.

Spare time sucks, consider contributing JFS support to Guix 
instead.

Assuming it's a pretty conventional Linux file system:

- Guix's Linux-Libre kernel already builds the module 
 (CONFIG_JFS_FS=m)
- it just needs to be added to the initramfs when booting from JFS
- jfsutils needs to be packaged for Guix and a static fsck added 
 to the initramfs
- some code must be added to (gnu build file-systems) to read JFS 
 labels & UUIDs: Guix does not use C tools to do this like other 
 distributions.

If you're completely new to Guix that might sound daunting, but 
it's honestly not that hard and you should get plenty of help on 
the mailing list and/or on IRC.

Kind regards,

T G-R

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