From patchwork Mon Jan 6 01:58:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 3435251 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A4216C02DC for ; Mon, 6 Jan 2014 01:58:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E26C22016C for ; Mon, 6 Jan 2014 01:58:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A5DF20163 for ; Mon, 6 Jan 2014 01:58:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752482AbaAFB6H (ORCPT ); Sun, 5 Jan 2014 20:58:07 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:1732 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751956AbaAFB5u (ORCPT ); Sun, 5 Jan 2014 20:57:50 -0500 X-IronPort-AV: E=Sophos;i="4.95,609,1384272000"; d="scan'208";a="9375734" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 06 Jan 2014 09:54:13 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s061vfHR002425 for ; Mon, 6 Jan 2014 09:57:48 +0800 Received: from adam-work.lan ([10.167.226.24]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2014010609564383-834994 ; Mon, 6 Jan 2014 09:56:43 +0800 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v3 6/9] btrfs: Add acl mount option. Date: Mon, 6 Jan 2014 09:58:30 +0800 Message-Id: <1388973513-11240-7-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1388973513-11240-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1388973513-11240-1-git-send-email-quwenruo@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/06 09:56:43, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/06 09:56:51, Serialize complete at 2014/01/06 09:56:51 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add acl mount option to enable acl with remount option. Signed-off-by: Qu Wenruo Reviewed-by: David Sterba --- Changelog: v2: add acl option v3: None --- Documentation/filesystems/btrfs.txt | 3 ++- fs/btrfs/super.c | 6 +++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt index 303b49c..79c08f3 100644 --- a/Documentation/filesystems/btrfs.txt +++ b/Documentation/filesystems/btrfs.txt @@ -141,8 +141,9 @@ Options with (*) are default options and will not show in the mount options. Specify that 1 metadata chunk should be allocated after every data chunks. Off by default. + acl(*) noacl - Disable support for Posix Access Control Lists (ACLs). See the + Enable/disable support for Posix Access Control Lists (ACLs). See the acl(5) manual page for more information about ACLs. barrier(*) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index b2c752e..3d743cf 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -324,7 +324,7 @@ enum { Opt_check_integrity, Opt_check_integrity_including_extent_data, Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree, Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard, - Opt_noenospc_debug, Opt_noflushoncommit, + Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_err, }; @@ -347,6 +347,7 @@ static match_table_t tokens = { {Opt_ssd, "ssd"}, {Opt_ssd_spread, "ssd_spread"}, {Opt_nossd, "nossd"}, + {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, {Opt_notreelog, "notreelog"}, {Opt_flushoncommit, "flushoncommit"}, @@ -552,6 +553,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) goto out; } break; + case Opt_acl: + root->fs_info->sb->s_flags |= MS_POSIXACL; + break; case Opt_noacl: root->fs_info->sb->s_flags &= ~MS_POSIXACL; break;