Message-ID: <1345210884.27859.90.camel@sauron.fi.intel.com>
Subject: Re: UBI fastmap updates
From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reply-To: artem.bityutskiy@linux.intel.com
To: Richard Weinberger <richard@nod.at>
Cc: nyoushchenko@mvista.com, linux-mtd@lists.infradead.org,
        linux-kernel@vger.kernel.org, adrian.hunter@intel.com,
        Heinz.Egger@linutronix.de, thomas.wucher@linutronix.de,
        shmulik.ladkani@gmail.com, tglx@linutronix.de, tim.bird@am.sony.com,
        Marius.Mazarel@ugal.ro
Date: Fri, 17 Aug 2012 16:41:24 +0300
In-Reply-To: <20120817153348.7a0a50a0@spider.haslach.nod.at>
References: <1341836323-43916-1-git-send-email-richard@nod.at>
	 <1345209115.27859.84.camel@sauron.fi.intel.com>
	 <20120817153348.7a0a50a0@spider.haslach.nod.at>
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On Fri, 2012-08-17 at 15:33 +0200, Richard Weinberger wrote:
> Am Fri, 17 Aug 2012 16:11:55 +0300
> schrieb Artem Bityutskiy <artem.bityutskiy@linux.intel.com>:
> > We do not do anything like this in UBI because UBI does not need this,
> > it does not have any complex data structures on the media.
> >=20
> > With fastmap - I am unsure. I think it is not a problem, because
> > probably you never append more data, you just re-write everything,
> > right?
>=20
> Yep, the on-flash fastmap is immutable.

Here the question is - if you have PEB containing fastmap data,
half-filled. Will you ever add more data there to the empty space in the
PEB or not?

--=20
Best Regards,
Artem Bityutskiy

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