From: David Woodhouse <dwmw2@infradead.org>
To: Bjorn Wesen <bjorn.wesen@axis.com>
Cc: Scott Anderson <sanders@mvista.com>,
Alexander Larsson <alex@cendio.se>,
mtd@infradead.org, SeokKuon Kwon <kwonsk@mutech.co.kr>
Subject: Re: Axis log based flash filesystem ported to 2.3 and MTD
Date: Mon, 27 Mar 2000 15:51:49 +0100 [thread overview]
Message-ID: <9932.954168709@devel2.axiom.internal> (raw)
In-Reply-To: <Pine.LNX.3.96.1000327164003.31589G-100000@fafner.axis.se>
bjorn.wesen@axis.com said:
> The flash is not divided into blocks in our JFFS. The flash is
> logically a single circular append-only file (but with random access
> of course). Wear-leveling comes implicitely in that model, since the
> log-file is circular.
When you append to your circular log, you end up eating your tail. What if the
erase block you're about to 'eat' doesn't contain any data that needs to be
changed. Do you leave it alone and skip it, or do you erase it anyway?
--
dwmw2
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next prev parent reply other threads:[~2000-03-27 14:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-03-24 23:00 Axis log based flash filesystem ported to 2.3 and MTD Alexander Larsson
2000-03-27 8:23 ` David Woodhouse
2000-03-27 8:35 ` Alexander Larsson
2000-03-27 14:39 ` Scott Anderson
2000-03-27 14:44 ` Alexander Larsson
2000-03-27 14:44 ` Bjorn Wesen
2000-03-27 14:51 ` David Woodhouse [this message]
2000-03-27 14:57 ` Bjorn Wesen
2000-03-28 10:03 ` Finn Hakansson
2000-03-29 11:04 ` JFFS mailing-list Bjorn Wesen
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