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From: "Jörn Engel" <joern@logfs.org>
To: Alexey Korolev <akorolev@infradead.org>
Cc: linux-mtd@lists.infradead.org, tglx@linutronix.de,
	dwmw2@infradead.org, vasiliy.leonenko@gmail.com
Subject: Re: [RFC/PATCH 2/3] NAND multiple plane feature
Date: Fri, 6 Jun 2008 18:22:39 +0200	[thread overview]
Message-ID: <20080606162238.GA30407@logfs.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0806061448270.26291@pentafluge.infradead.org>

On Fri, 6 June 2008 15:01:05 +0100, Alexey Korolev wrote:
>
> We just tried to check your scenario. It is not
> possible to overwrite something if JFFS2 returned -ENOSPC until
> something got deleted. 
> 
> In fact our test suite do not include this test case. We have another.
> Write file1 at about 5% of whole space, write file2 for rest of space.
> Delete file1. Do step 2. 
> In this not so good case we got the following numbers:
> 
> single-plane:
> 73 sec 424541 usec
> 
> dual-plane:
> 69 sec 428637 usec

An improvement instead of the expected regression.  Impressive.

Jörn

-- 
tglx1 thinks that joern should get a (TM) for "Thinking Is Hard"
-- Thomas Gleixner

  reply	other threads:[~2008-06-06 16:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-28 13:08 [RFC/PATCH 2/3] NAND multiple plane feature Alexey Korolev
2008-06-01 17:48 ` Jörn Engel
2008-06-02 11:28   ` Jamie Lokier
2008-06-02 11:36     ` Jörn Engel
2008-06-03 16:57   ` Alexey Korolev
2008-06-03 17:20     ` Jörn Engel
2008-06-05 21:09     ` Jörn Engel
2008-06-06 14:01       ` Alexey Korolev
2008-06-06 16:22         ` Jörn Engel [this message]
2008-06-03 17:42 ` Jörn Engel
2008-06-05 16:58   ` Alexey Korolev
2008-06-05 18:58     ` Jörn Engel
2008-06-05 19:13     ` Thomas Gleixner
2008-06-06 10:08       ` Alexey Korolev
2008-06-06 12:16         ` Thomas Gleixner
2008-06-06 13:47           ` Alexey Korolev
2008-06-06 14:19             ` Thomas Gleixner
2008-06-06 14:36               ` Alexey Korolev
2008-06-05 20:03 ` Thomas Gleixner
2008-06-10 17:33   ` Alexey Korolev

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