Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269560AbTGJSqk (ORCPT ); Thu, 10 Jul 2003 14:46:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269563AbTGJSqf (ORCPT ); Thu, 10 Jul 2003 14:46:35 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:32014 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S269560AbTGJSpu (ORCPT ); Thu, 10 Jul 2003 14:45:50 -0400 Date: Thu, 10 Jul 2003 21:00:30 +0200 From: Jan Kara To: Christoph Hellwig , Alan Cox , Marcelo Tosatti , Jeff Garzik , LKML , Andrew Morton Subject: Re: RFC: what's in a stable series? Message-ID: <20030710190030.GC8678@atrey.karlin.mff.cuni.cz> References: <3F0CBC08.1060201@pobox.com> <20030710085338.C28672@infradead.org> <1057835998.8028.6.camel@dhcp22.swansea.linux.org.uk> <1057840919.8027.19.camel@dhcp22.swansea.linux.org.uk> <20030710161553.C22512@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030710161553.C22512@infradead.org> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1374 Lines: 46 > On Thu, Jul 10, 2003 at 01:42:00PM +0100, Alan Cox wrote: > > On Iau, 2003-07-10 at 13:13, Marcelo Tosatti wrote: > > > So Christoph's quota patch does not support vendors "v1" files? > > > > > > I must be misunderstanding someone. > > > > There are three species of quota in Linux > > > > v0 (official old Linux) > > v1 (most 2.4 vendor trees) > > v2 (the 2.5 format) > > Umm, no. You misunderstood. > > There's two quota _ondisk_ formats: > > v1 old 16bit quota. > v2 new 32bit quota. > > 2.4 previously only supported v1, 2.5 and 2.4.22-pre4 also support v2. Exactly. > There's three sys_quotactl ABIs > > 1) original 16 bit one, supported by all kernels <= 2.4 > 2) first 32bit one, supported by 2.4-ac any many vendor trees, but never > in mainline Actually at least later SuSE kernels and -ac kernels support 3)... > 3) new 32bit one, supported by 2.4.x (x >= 22-pre4) and 2.5 Right. > Unfortunately the second one uses the same constants as the old 16bit one > but different structures so there is no way to support both in a single > kernel. Honza -- Jan Kara SuSE CR Labs - 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/