Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 3 Sep 2002 11:40:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 3 Sep 2002 11:40:26 -0400 Received: from perninha.conectiva.com.br ([200.250.58.156]:16390 "HELO perninha.conectiva.com.br") by vger.kernel.org with SMTP id ; Tue, 3 Sep 2002 11:40:24 -0400 Date: Tue, 3 Sep 2002 12:44:42 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@duckman.distro.conectiva To: "Peter T. Breuer" Cc: linux kernel Subject: Re: [RFC] mount flag "direct" (fwd) In-Reply-To: <200209031539.g83FdVb02733@oboe.it.uc3m.es> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1020 Lines: 28 On Tue, 3 Sep 2002, Peter T. Breuer wrote: > I assumed that I would need to make several VFS operations atomic > or revertable, or simply forbid things like new file allocations or > extensions (i.e. the above), depending on what is possible or not. > No, I don't want ANY FS. Thanks, I know about these, but they're not > it. I want support for /any/ FS at all at the VFS level. You can't. Even if each operation is fully atomic on one node, you still don't have synchronisation between the different nodes sharing one disk. You really need filesystem support. Rik -- http://www.linuxsymposium.org/2002/ "You're one of those condescending OLS attendants" "Here's a nickle kid. Go buy yourself a real t-shirt" http://www.surriel.com/ http://distro.conectiva.com/ - 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/