Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932454AbXHASEV (ORCPT ); Wed, 1 Aug 2007 14:04:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757214AbXHASEG (ORCPT ); Wed, 1 Aug 2007 14:04:06 -0400 Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:58634 "EHLO filer.fsl.cs.sunysb.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760809AbXHASEE (ORCPT ); Wed, 1 Aug 2007 14:04:04 -0400 Date: Wed, 1 Aug 2007 14:03:52 -0400 From: Josef Sipek To: Jan Engelhardt Cc: Jan Blunck , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Bharata B Rao Subject: Re: [RFC 12/26] ext2 white-out support Message-ID: <20070801180352.GA15061@filer.fsl.cs.sunysb.edu> References: <20070730161323.100048969@weierstrass.suse.de> <20070730161324.261652101@weierstrass.suse.de> <20070731163656.GC22350@filer.fsl.cs.sunysb.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.16 (2007-07-16) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1246 Lines: 30 On Wed, Aug 01, 2007 at 07:58:49PM +0200, Jan Engelhardt wrote: > > On Jul 31 2007 12:36, Josef Sipek wrote: > >[2] http://www.filesystems.org/unionfs-odf.txt > > >Instead, the new ODF code stores whiteouts as hardlinks to a special > >(regular) zero-length file in odf (/odf/whiteout), and it stores opaqueness > >information for directories in the inode GID bits in an ODF file system > >(e.g., ext2, XFS, etc.) on the local machine. This avoids the name-space > >pollution and avoids races with network file systems, while minimizing inode > >consummation in /odf. > > Inode GID bits - are you reducing my 32 bits of gid_t to 31 bits? > That does not work out either. No. The ODF code just uses the GID bits to store extra info. The GID is _NOT_ used to store the GID of the file. The GID of the file is still coming from the branches. Josef 'Jeff' Sipek. -- I abhor a system designed for the "user", if that word is a coded pejorative meaning "stupid and unsophisticated." - Ken Thompson - 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/