Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760130AbXEQU1M (ORCPT ); Thu, 17 May 2007 16:27:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762016AbXEQU0q (ORCPT ); Thu, 17 May 2007 16:26:46 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:3031 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761693AbXEQU0o (ORCPT ); Thu, 17 May 2007 16:26:44 -0400 Date: Thu, 17 May 2007 20:18:47 +0000 From: Pavel Machek To: Dongjun Shin Cc: David Woodhouse , =?iso-8859-1?Q?J=F6rn?= Engel , Andrew Morton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Albert Cahalan , Thomas Gleixner , Jan Engelhardt , Evgeniy Polyakov , Pekka Enberg , Greg KH , Ingo Oeser Subject: Re: [PATCH] LogFS take three Message-ID: <20070517201847.GA5032@ucw.cz> References: <20070515151919.GA32510@lazybastard.org> <20070515133759.9ee434a2.akpm@linux-foundation.org> <1179317240.2859.222.camel@shinybook.infradead.org> <20070516083408.dcd9dd78.akpm@linux-foundation.org> <1179330596.2859.248.camel@shinybook.infradead.org> <20070516164158.GB8113@lazybastard.org> <7fe698080705162312t4e7ed90byd10ef8e664027b17@mail.gmail.com> <1179383117.2859.416.camel@shinybook.infradead.org> <7fe698080705170120w18fe5521oa685cf248a45e1c6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7fe698080705170120w18fe5521oa685cf248a45e1c6@mail.gmail.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1622 Lines: 50 Hi! > >Yes. These things are almost always implemented _very_ > >badly by the same > >kind of crack-smoking hobo they drag in off the streets > >to write BIOSen. > > > >It's bog-roll technology; if you fancy a laugh try > >doing some real > >reliability tests on them time some. Powerfail testing > >is a good one. > > > >This kind of thing is OK for disposable storage such as > >in digital > >cameras, where it doesn't matter that it's no more > >reliable than a > >floppy disc, but for real long-term storage it's really > >a bad idea. > > > > There are so many flash-based storage and some > disposable storages, > as you pointed out, have poor quality. I think it's > mainly because these > are not designed for good quality, but for lowering the > price. > > These kind of devices are not ready for things like > power failure because > their use case is far from that. For example, removing > flash card > while taking pictures using digital camera is not a > common use case. > (there should be a written notice that this kind of > action is against > the warranty) Hmm.. so operating your camera on batteries should be against the warranty, since batteries commonly run empty while storing pictures? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/