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Date: Tue, 28 Sep 2004 10:54:53 +0400
From: "Artem B. Bityuckiy" <abityuckiy@yandex.ru>
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	=?ISO-8859-2?Q?Kornel_?= =?ISO-8859-2?Q?Mas=B3owski?= <maslow@pf.pl>
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Cc: linux-mtd@lists.infradead.org
Subject: Re: [OBORONA-SPAM]  Re: jffs2
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Artem B. Bityuckiy wrote:
> Kornel Mas=B3owski wrote:
>=20
>> I'm not sure how jffs2 works.
>> I have jffs2 on  8bit NAND flash (page 512 B).
>> I want to append record 32B to the file on flash which current size is=
=20
>> 10kB.
>> Flash device is almost empty.
>> How many pages will be written by jffs2?
>=20
> If your 10K file was created by one go and there is no compression, the=
=20
> file will consist of 3 JFFS2 nodes (4K + 4K + 2K) and fit into 9 + 9 + =
5=20
> =3D 23 NAND pageg
>(4K data =3D 4 NAND pages and one is needed for node
Ops, 4K data =3D 8 NAND pages.
> header; the rest of page won't be used since the next node isn't fit to=
=20
> it).
>=20


--=20
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.