From: Peter Grayson <pgrayson@realmsys.com>
To: "Artem B. Bityutskiy" <dedekind@yandex.ru>
Cc: "hinko.kocevar@cetrtapot.si" <hinko.kocevar@cetrtapot.si>,
Linux MTD <linux-mtd@lists.infradead.org>
Subject: Re: Great jffs2 speedup
Date: Thu, 29 Sep 2005 10:10:37 -0600 [thread overview]
Message-ID: <1128010237.6926.10.camel@localhost.localdomain> (raw)
In-Reply-To: <433BBB19.9060905@yandex.ru>
On Thu, 2005-09-29 at 13:59 +0400, Artem B. Bityutskiy wrote:
> Nevertheless, I don't believe CS will make JFFS2 usable on 256MB
> flashes, due to memory consumprion issues. Nor it will not (IMO) make it
> scalable, which is sad :-(
CS does, in fact, go a long way toward making 256MB flash parts usable.
The devices I am building use 256MB, 512MB, and 1024MB nand flash parts.
We have been using Ferenc's CS patch for some time now and we are able
to get sub 1 second mount times on 512+ MB filesystems. A big part of
this performance is that I have a nand flash controller that interfaces
with the nand part on my board. But nonetheless, jffs2 can be used
successfully on very large nand parts. Ferenc's EBS and CS work are
essential, IMHO, for getting there.
Pete
next prev parent reply other threads:[~2005-09-29 16:10 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-28 9:36 Great jffs2 speedup hinko.kocevar
2005-09-28 10:00 ` Jörn Engel
2005-09-28 15:26 ` hinko.kocevar
2005-09-29 7:53 ` Jörn Engel
2005-09-30 12:26 ` hinko.kocevar
2005-09-29 8:21 ` Ferenc Havasi
2005-09-29 9:34 ` Jörn Engel
2005-09-29 9:44 ` Artem B. Bityutskiy
2005-09-29 9:52 ` Ferenc Havasi
2005-09-29 9:55 ` Jörn Engel
2005-09-29 9:59 ` Artem B. Bityutskiy
2005-09-29 10:12 ` Jörn Engel
2005-09-29 10:21 ` Artem B. Bityutskiy
2005-09-29 10:26 ` Jörn Engel
2005-09-29 11:34 ` Ferenc Havasi
2005-09-29 11:35 ` Jörn Engel
2005-09-29 11:45 ` Ferenc Havasi
2005-09-29 11:52 ` Jörn Engel
2005-09-29 12:39 ` Josh Boyer
2005-09-29 10:23 ` Ferenc Havasi
2005-09-29 10:29 ` Jörn Engel
2005-09-29 10:45 ` Artem B. Bityutskiy
2005-09-29 11:29 ` Ferenc Havasi
2005-09-29 11:32 ` Artem B. Bityutskiy
2005-09-29 16:10 ` Peter Grayson [this message]
2005-09-29 17:45 ` Sergei Sharonov
2005-09-30 4:19 ` Peter Grayson
2005-09-30 8:58 ` Artem B. Bityutskiy
2005-09-30 9:08 ` Artem B. Bityutskiy
2005-09-30 20:25 ` Peter Grayson
2005-10-01 7:01 ` Artem B. Bityutskiy
2005-09-30 21:15 ` Sergei Sharonov
2005-09-30 23:22 ` Peter Grayson
2005-10-01 7:43 ` Artem B. Bityutskiy
2005-09-29 10:15 ` hinko.kocevar
2005-09-29 12:01 ` Ferenc Havasi
2005-09-29 13:07 ` Jörn Engel
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