From: Vincenzo Ciancia Subject: Re: User permissions or UID/GIDs for portable disks? Date: Mon, 26 Nov 2007 16:56:40 +0100 Message-ID: References: <46c2f4ab0710241110o582dcc27pbd6d2c31474b526b@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from main.gmane.org ([80.91.229.2]:33593 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752354AbXKZQEy (ORCPT ); Mon, 26 Nov 2007 11:04:54 -0500 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1IwgMb-0003J8-9f for linux-ext4@vger.kernel.org; Mon, 26 Nov 2007 15:59:13 +0000 Received: from dhcp-131-114-3-101.di.unipi.it ([131.114.3.101]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 26 Nov 2007 15:59:13 +0000 Received: from vincenzo_ml by dhcp-131-114-3-101.di.unipi.it with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 26 Nov 2007 15:59:13 +0000 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org > The function has to be non-surjective because uids which differ on the s/non-surjective/injective/ , i.e. it should not fuse different identities. Sorry for double posting, will re-read e-mails before sending, in the future :) Vincenzo