Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759272AbYFQOgj (ORCPT ); Tue, 17 Jun 2008 10:36:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757943AbYFQOga (ORCPT ); Tue, 17 Jun 2008 10:36:30 -0400 Received: from sovereign.computergmbh.de ([85.214.69.204]:42708 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754439AbYFQOg3 (ORCPT ); Tue, 17 Jun 2008 10:36:29 -0400 Date: Tue, 17 Jun 2008 16:36:28 +0200 (CEST) From: Jan Engelhardt To: Maxim Shchetynin cc: linux-fsdevel@vger.kernel.org, Matthew Wilcox , linux-kernel@vger.kernel.org Subject: Re: AZFS file system proposal In-Reply-To: <20080617135722.374673b9@mercedes-benz.boeblingen.de.ibm.com> Message-ID: References: <20080609104650.4f220492@mercedes-benz.boeblingen.de.ibm.com> <20080609125530.GF30405@parisc-linux.org> <20080610104919.504b9826@mercedes-benz.boeblingen.de.ibm.com> <20080617110655.59c915da@mercedes-benz.boeblingen.de.ibm.com> <20080617135722.374673b9@mercedes-benz.boeblingen.de.ibm.com> User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1042 Lines: 25 On Tuesday 2008-06-17 13:57, Maxim Shchetynin wrote: >> >> (a) What is axonram? >> >> (b) why is axonram direct_access, and my other devices (including >> >> standard PC RAM) not? >> > >> >[Axonram is a module specific for IBM CellBlade and allows access to >> >a DDR2 memory attached onto Axon controller.] You don't need >> >direct_access and not azfs for main memory because there is already >> >a pretty nice tmpfs for it. >> >> So the reason azfs could be useful is...? > >The "?" at the end of your sentence might mean a question. I would >be really happy to give an answer on it if I could understand it. If one does not need direct_access nor azfs, and ext2 plus XIP minus caching or tmpfs plus XIP can achieve the same effect, what can azfs that we could not already do without azfs? -- 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/