From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lazybastard.de ([212.112.238.170] helo=longford.lazybastard.org) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1IuyXZ-0002QH-Sj for linux-mtd@lists.infradead.org; Wed, 21 Nov 2007 17:59:36 -0500 Date: Wed, 21 Nov 2007 23:54:25 +0100 From: =?utf-8?B?SsO2cm4=?= Engel To: Gregory CLEMENT Subject: Re: Some news for this: [PATCH] [MTD] BLOCK_RO: Readonly Block Device Layer Over MTD ? Message-ID: <20071121225425.GA24327@lazybastard.org> References: <305035a40711210627p1ea1f2c0me1ee1f8e8d124552@mail.gmail.com> <20071121160804.GC20871@lazybastard.org> <305035a40711210828k65174f44t3d64e9ee33fe26bf@mail.gmail.com> <20071121105817.3adbfbb5@weaponx> <20071121213257.GI20871@lazybastard.org> <305035a40711211433x9054a11r11636ad708a325cd@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <305035a40711211433x9054a11r11636ad708a325cd@mail.gmail.com> Cc: Linux mtd , =?utf-8?B?SsO2cm4=?= Engel , Ricard Wanderlof List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 21 November 2007 23:33:38 +0100, Gregory CLEMENT wrote: > > That's mean that we can't have safe data on NAND flash device, isn't it? > If data is corrupted between tow read even journalized are log file > system will loose data. > Either there is a mechanism I missed in this file system or 2 bits > flipped are so rare that this event can be ignored. It means that NAND needs scrubbing. Jörn -- Joern's library part 3: http://inst.eecs.berkeley.edu/~cs152/fa05/handouts/clark-test.pdf