From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB4FDC433DB for ; Wed, 20 Jan 2021 04:59:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 526AC22DD3 for ; Wed, 20 Jan 2021 04:59:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728307AbhATE7Q (ORCPT ); Tue, 19 Jan 2021 23:59:16 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:41216 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729027AbhATE4P (ORCPT ); Tue, 19 Jan 2021 23:56:15 -0500 Received: from cwcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 10K4tQ6S021661 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 19 Jan 2021 23:55:27 -0500 Received: by cwcc.thunk.org (Postfix, from userid 15806) id 77B3915C35F5; Tue, 19 Jan 2021 23:55:26 -0500 (EST) Date: Tue, 19 Jan 2021 23:55:26 -0500 From: "Theodore Ts'o" To: Romain Naour Cc: linux-ext4@vger.kernel.org Subject: Re: [PATCH] libext2fs: add gnu.translator support Message-ID: References: <20201102130319.1434330-1-romain.naour@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201102130319.1434330-1-romain.naour@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Mon, Nov 02, 2020 at 02:03:19PM +0100, Romain Naour wrote: > The support of setting (and reading) of passive translators from > GNU/Linux has been added to the Linux kernel by the commit [1]. > The name index '10' has been reserved for GNU/Hurd. > > Hurd passive translators are stored as a xattr value with name > "gnu.translator" [2]. > > If "gnu.translator" xattr value has been set before calling > mkfs.ext2, it will segfault since "gnu." is not present in > ea_names[]. > > $ setfattr -n gnu.translator -v "/hurd/exec\0" ${TARGET_DIR}/servers/exec > $ mkfs.ext2 -d ${TARGET_DIR} -o hurd -O ext_attr rootfs.ext2 "1G" > > Adding "gnu." to ea_names[], allow to create ext2 filesystem > for GNU/Hurd with passive translator already set. > > [1] https://git.savannah.gnu.org/cgit/hurd/hurd.git/commit/?id=a04c7bf83172faa7cb080fbe3b6c04a8415ca645 > [2] https://lists.gnu.org/archive/html/bug-hurd/2016-08/msg00075.html > > Signed-off-by: Romain Naour > Cc: Theodore Ts'o Applied, thanks. - Ted