From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [195.205.16.233] (helo=dgt-lab.com.pl) by pentafluge.infradead.org with smtp (Exim 3.22 #1 (Red Hat Linux)) id 15dsz9-0007Li-00 for ; Mon, 03 Sep 2001 13:37:51 +0100 Message-ID: <3B937AC5.1B60C506@dgt-lab.com.pl> Date: Mon, 03 Sep 2001 14:42:45 +0200 From: Wojciech Kromer MIME-Version: 1.0 To: David Woodhouse Cc: mtd Subject: Re: JFFS2 on 8MB Flash-Chip conneted to MPC850 works extremly slow:( References: <3B9377A9.B69881E4@dgt-lab.com.pl> <3B937537.D636406C@dgt-lab.com.pl> <3B8CB316.4A421C81@dgt-lab.com.pl> <999074214.32409.1.camel@russ> <3B8B87A9.2F622A89@dgt-lab.com.pl> <999014039.27952.2.camel@russ> <3B8C86BD.5C4FBCF9@dgt-lab.com.pl> <999069428.31681.12.camel@russ> <3B8C9DC5.F3185B18@dgt-lab.com.pl> <21505.999075348@redhat.com> <25302.999077097@redhat.com> <3238.999519992@redhat.com> <4189.999520431@redhat.com> Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: David Woodhouse wrote: > krom@dgt-lab.com.pl said: > > OK, than You for understanding it. My hardware dosen't support > > burst-read > > If the kernel is reading from any part of the flash more than once between > write cycles, you'll see a benefit from that too - and reading a whole > cache line may improve matters even if it doesn't burst. But mount time is still the same sh-2.03# time mount /dev/mtdblock0 /mnt -t jffs2 real 1m55.648s user 0m0.000s sys 1m55.630s -- * * * * * * * * * * * * * per pedes ad astra! * * * * * * * * * * * * * mailto:krom@dgt-lab.com.pl