Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261628AbUDCIXS (ORCPT ); Sat, 3 Apr 2004 03:23:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261638AbUDCIXS (ORCPT ); Sat, 3 Apr 2004 03:23:18 -0500 Received: from gprs214-57.eurotel.cz ([160.218.214.57]:38528 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261628AbUDCIXR (ORCPT ); Sat, 3 Apr 2004 03:23:17 -0500 Date: Sat, 3 Apr 2004 10:23:03 +0200 From: Pavel Machek To: Jamie Lokier Cc: Chris Friesen , =?iso-8859-1?Q?J=F6rn?= Engel , mj@ucw.cz, jack@ucw.cz, "Patrick J. LoPresti" , linux-kernel@vger.kernel.org Subject: Re: [PATCH] cowlinks v2 Message-ID: <20040403082303.GA1316@elf.ucw.cz> References: <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> <20040402200921.GC653@mail.shareable.org> <20040402213933.GB246@elf.ucw.cz> <406DE280.6050109@nortelnetworks.com> <20040403004947.GI653@mail.shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040403004947.GI653@mail.shareable.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 789 Lines: 21 Hi! > > Could you not change it back to a normal inode when refcount becomes 1? > > You can only do that if the cowid object has a pointer to the last > remaining reference to it. That's possible, but more complicated and > would incur a little more I/O per cow operation. You'd have to have pointers to all references to it... because you can't tell in advance which one will be the last to go away. But I agree its not a big problem. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - 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/