For review: NAND out of space patch.

Jim Gettys jg at
Tue Jul 22 14:28:23 EDT 2008

The simplest UI would be a size-sorted view of the journal.....
                     - Jim

On Tue, 2008-07-22 at 14:26 -0400, Erik Garrison wrote:
> On Tue, Jul 22, 2008 at 01:58:29PM -0400, pgf at wrote:
> > jim wrote:
> >  > Ah, I like this idea better than the previous I've heard; if we can
> >  > uninstall software or cleanup the journal with human intervention, that
> >  > would be good....  I'm nervous about automatic cleanup schemes....
> > 
> > i agree that erik's proposal sounds attractive, since we'd have
> > most or all of the "real" UI available to assist in presenting
> > the user's choices.  but even if this scheme doesn't pan out,
> > i still think we could do something interesting by inserting a
> > hook (via a patch) into .xsession which lets us run something
> > non-sugary (but still interactive) prior to full startup.
> Right.  The recovery-mode ui can be anything.
> I'm going to work on the unionfs side of things.  Is there anyone
> available to work on the recovery-mode ui interface?
> Rough plan: On registering a full system at boot, we union-mount tmpfs
> over top of the root filesystem (mounted read-only).  We set a flag
> which tells olpc-session or Sugar to boot a graphical interface to a
> cleanup utility.  We additionally mount the root fs at some location
> read-write so that we can delete files from it, and point the cleanup
> utility at this location.
> Erik
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Jim Gettys <jg at>
One Laptop Per Child

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