Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263165AbUDEInh (ORCPT ); Mon, 5 Apr 2004 04:43:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261822AbUDEInh (ORCPT ); Mon, 5 Apr 2004 04:43:37 -0400 Received: from mail.fh-wedel.de ([213.39.232.194]:3234 "EHLO mail.fh-wedel.de") by vger.kernel.org with ESMTP id S263165AbUDEInf (ORCPT ); Mon, 5 Apr 2004 04:43:35 -0400 Date: Mon, 5 Apr 2004 10:43:28 +0200 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Pavel Machek Cc: mj@ucw.cz, jack@ucw.cz, "Patrick J. LoPresti" , linux-kernel@vger.kernel.org Subject: Re: [PATCH] cowlinks v2 Message-ID: <20040405084328.GE28924@wohnheim.fh-wedel.de> References: <20040320083411.GA25934@wohnheim.fh-wedel.de> <20040320152328.GA8089@wohnheim.fh-wedel.de> <20040329171245.GB1478@elf.ucw.cz> <20040329231635.GA374@elf.ucw.cz> <20040402165440.GB24861@wohnheim.fh-wedel.de> <20040402180128.GA363@elf.ucw.cz> <20040402181707.GA28112@wohnheim.fh-wedel.de> <20040402182357.GB410@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20040402182357.GB410@elf.ucw.cz> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1110 Lines: 35 On Fri, 2 April 2004 20:23:58 +0200, Pavel Machek wrote: > > > Then you link()... > > INODE123 Usage count = 2, pointer to cowid 567 > COWID 567: Usage count = 3 > INODE124 Usage count = 2, pointer to cowid 567 > INODE125 Usage count = 2, pointer to cowid 567 > > Now, if I write to any inode with has cowid, data have to be copied, > and pointer to cowid deleted from that inode . Ok, you win. Next time I get scare, I should ask you first. :) In a single picture, links currently look like this: Symlink can point to inodes or cowlinks or hardlinks Hardlink can point to inodes or cowlinks Cowlink can point to inodes I like it. Not sure about the current count, but it looks like most people favor the indirect approach now. J?rn -- "Security vulnerabilities are here to stay." -- Scott Culp, Manager of the Microsoft Security Response Center, 2001 - 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/