From: Richard Weinberger <richard@nod.at>
To: dedekind1@gmail.com
Cc: Adrian Hunter <adrian.hunter@intel.com>,
linux-mtd@lists.infradead.org, tglx@linutronix.de,
linux-kernel@vger.kernel.org, Heinz.Egger@linutronix.de,
tim.bird@am.sony.com
Subject: Re: [PATCH] [RFC] UBI: Implement Fastmap support
Date: Fri, 01 Jun 2012 10:10:53 +0200 [thread overview]
Message-ID: <4FC8790D.8070801@nod.at> (raw)
In-Reply-To: <1338538244.2536.147.camel@sauron.fi.intel.com>
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Am 01.06.2012 10:10, schrieb Artem Bityutskiy:
> On Fri, 2012-06-01 at 10:00 +0200, Richard Weinberger wrote:
>> True. But why is this a problem?
>> If we can recovers using a full scan after a power cut we are fine.
>
> Does fastmap have zero power-cut tolerance by design?
Yes.
E.g. If the fastmap was not written corretly the CRC will not match and we fall back
to scanning. That's why fastmap tries hard to fallback to scanning if anything goes wrong.
Why should we make fastmap even more complicated than it already is?
Thanks,
//richard
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next prev parent reply other threads:[~2012-06-01 8:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-23 11:06 [RFC v7] UBI: Fastmap support (aka checkpointing) Richard Weinberger
2012-05-23 11:06 ` [PATCH] [RFC] UBI: Implement Fastmap support Richard Weinberger
2012-05-26 13:22 ` Artem Bityutskiy
2012-05-31 10:37 ` Adrian Hunter
2012-05-31 13:31 ` Richard Weinberger
2012-06-01 5:47 ` Adrian Hunter
2012-06-01 8:00 ` Richard Weinberger
2012-06-01 8:10 ` Artem Bityutskiy
2012-06-01 8:10 ` Richard Weinberger [this message]
2012-06-01 8:47 ` Adrian Hunter
2012-05-26 12:41 ` [RFC v7] UBI: Fastmap support (aka checkpointing) Artem Bityutskiy
2012-05-26 14:01 ` Richard Weinberger
2012-05-26 14:15 ` Artem Bityutskiy
2012-05-28 6:36 ` Shmulik Ladkani
2012-05-28 6:46 ` Artem Bityutskiy
2012-05-28 9:49 ` Richard Weinberger
-- strict thread matches above, loose matches on Subject: below --
2012-05-21 14:01 [RFC v6] " Richard Weinberger
2012-05-21 14:01 ` [PATCH] [RFC] UBI: Implement Fastmap support Richard Weinberger
2012-05-22 13:43 ` Artem Bityutskiy
2012-05-22 15:01 ` Shmulik Ladkani
2012-05-22 16:55 ` Richard Weinberger
2012-05-22 18:18 ` Shmulik Ladkani
2012-05-22 18:57 ` Richard Weinberger
2012-05-23 6:18 ` Shmulik Ladkani
2012-05-23 7:43 ` Richard Weinberger
2012-05-22 20:11 ` Richard Weinberger
2012-05-24 8:19 ` Artem Bityutskiy
2012-05-24 8:26 ` Richard Weinberger
2012-05-24 9:21 ` Artem Bityutskiy
2012-05-24 8:17 ` Artem Bityutskiy
2012-05-24 9:56 ` Shmulik Ladkani
2012-05-24 10:03 ` Richard Weinberger
2012-05-24 20:07 ` Shmulik Ladkani
2012-05-24 8:22 ` Artem Bityutskiy
2012-05-24 8:24 ` Richard Weinberger
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