From: "Artem B. Bityutskiy" <dedekind@yandex.ru>
To: Josh Boyer <jwboyer@gmail.com>
Cc: linux-mtd@lists.infradead.org, Nikhil <nikhils@cdac.in>
Subject: Re: CLEANMARKER!!
Date: Thu, 22 Dec 2005 20:07:14 +0300 [thread overview]
Message-ID: <43AADD42.8080708@yandex.ru> (raw)
In-Reply-To: <625fc13d0512220902t5031dcb8w5a0af9c6f75c90bf@mail.gmail.com>
Josh Boyer wrote:
> It's an optimization of mkfs.jffs2. If it didn't write those
> cleanmarkers in the image, JFFS2 would scan flash, find free
> eraseblocks, and go erase them again since the cleanmarker is missing.
> With the cleanmarkers there, the erase of already erased blocks is
> omitted.
Well, this is for empty eraseblocks. Those with data could be devoid of
cleanmarkers.
--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.
prev parent reply other threads:[~2005-12-22 17:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-22 15:38 CLEANMARKER!! Nikhil
2005-12-22 16:29 ` CLEANMARKER!! Artem B. Bityutskiy
2005-12-22 17:02 ` CLEANMARKER!! Josh Boyer
2005-12-22 17:07 ` Artem B. Bityutskiy [this message]
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