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Subject: Re: Resizing of an existing UBIFS
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ricard Wanderlof <ricard.wanderlof@axis.com>
Date: Tue, 22 May 2012 13:19:23 +0300
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Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
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On Tue, 2012-05-22 at 11:40 +0200, Ricard Wanderlof wrote:
> On Tue, 22 May 2012, Robert Homann wrote:
>=20
> > On 05/22/2012 10:10 AM, Artem Bityutskiy wrote:
> >
> >> amend the indexing information. This is not a simple task, but doable.
> >
> > Thank you a lot for the quick answers! Looks like I need to learn a lot=
=20
> > of details about UBIFS, should I really decide to make such a tool. I'l=
l=20
> > think it through again... :)
>=20
> It would also be nice if such a tool could reduce the size of a UBIFS=20
> volume (given that there is enough free space to do so). That could be=
=20
> useful if the contents of a flash at a given point needed to be compacted=
=20
> for make room for an additional volume for instance.

Yeah, if someone wrote such a tool, it would make sense to support
shrinking as well, because it is roughly a similar thin - you need to
relocate data from the end, amend the index and probably some other
UBIFS data-structures.

--=20
Best Regards,
Artem Bityutskiy

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