Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752977AbZFVV6P (ORCPT ); Mon, 22 Jun 2009 17:58:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751542AbZFVV56 (ORCPT ); Mon, 22 Jun 2009 17:57:58 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:59248 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751124AbZFVV55 (ORCPT ); Mon, 22 Jun 2009 17:57:57 -0400 Date: Mon, 22 Jun 2009 23:57:53 +0200 From: Pavel Machek To: Tim Bird Cc: Marco , Jamie Lokier , Linux Embedded , Linux Kernel , Linux FS Devel , Daniel Walker Subject: Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem Message-ID: <20090622215753.GA25434@elf.ucw.cz> References: <20090621064040.GC1656@ucw.cz> <4A3E6F28.4090404@gmail.com> <20090621205245.GC3254@elf.ucw.cz> <2ea1731b0906212333r20deb71q2f021fc79bcc8a8e@mail.gmail.com> <20090622172003.GB21149@elf.ucw.cz> <4A3FBFF0.40006@am.sony.com> <20090622173704.GC21299@elf.ucw.cz> <4A3FC84A.6060608@gmail.com> <20090622204031.GA24236@elf.ucw.cz> <4A3FFC89.4070006@am.sony.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A3FFC89.4070006@am.sony.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 21 On Mon 2009-06-22 14:50:01, Tim Bird wrote: > Pavel Machek wrote: > >> block of fast non-volatile RAM that need to access data on it using a > >> standard filesytem interface." > > > > Turns a block of fast RAM into 13MB/sec disk. Hmm. I believe you are > > better with ext2. > > Not if you want the RAM-based filesystem to persist over a kernel > invocation. Yes, you'll need to code Persistent, RAM-based _block_device_. 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/