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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 5571CC282C0 for ; Fri, 25 Jan 2019 09:15:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23AF3218D2 for ; Fri, 25 Jan 2019 09:15:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JZuGlb3r" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727366AbfAYJPD (ORCPT ); Fri, 25 Jan 2019 04:15:03 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:46313 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726200AbfAYJPC (ORCPT ); Fri, 25 Jan 2019 04:15:02 -0500 Received: by mail-pf1-f193.google.com with SMTP id c73so4455396pfe.13; Fri, 25 Jan 2019 01:15:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=FbI8qPnX2F/LGRgTat4HpktMCj9gcTU3iSbEH/KXDUc=; b=JZuGlb3rjUPgDC+ICtYylSTuKaF/UaKL0enoSSbmq84oo3wpm5ikUVSHelKjTGpXk/ oOQpcZ5T5Q5MAMkc/Mr5nuLVmjNltXLWlSEwGjznYJWihif4PiZHL2+k8r6ygRf+3zeU IIc5F6t3FUDNGv9GExs38oa7OE/cZuAEUnWO5wsxd6k9hqpGNXo3exvOcHnMhAN8f7Zo A5bzwkQej6bmoMO8f4ZwV1zDHhWVLkNQpl5yBxPR8+tEQUNhlPq5cSJkjV8VOViCKYo1 PiFSEtJ7lWBMnWellfTf//VAHLrlZcbp+8Z4upgiYsccGWj3FwknvkEACWS2y8jJf9IQ PQuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=FbI8qPnX2F/LGRgTat4HpktMCj9gcTU3iSbEH/KXDUc=; b=VGxBkUgzBCjZEEMdHtzF5gjT4OfllC/J/lwUbt6UQi67Kehe7wQIYCA89hkBtLCEgI VUTMDzaBmOFrlL0+xUmTYtZLybsSw70vD0vn93htePyKc2cRHfH+K4ClMjPC3EgOqQdn Kne6AHY5KEKo9d/Ljb+KzBCtaj6eEXs08h4QxB7l/veXNKqmIl+dk8yk/JcngsO7DDwR tFK49SPk59gEEyi5E2LXtxk/RCy9o9ddWy+komgzoCYDvc74j3RkwkgoCoy7qZCgXg02 ig2Z4lqb2xauP3O2OQoRWPKHMUZJd+mXWMh1zVkWpO/pbugSJJF3TEUehhmysncuD9vE yfUw== X-Gm-Message-State: AJcUukes3R0Aj1ENy0apkp5xS8LAFull0XXBPnVEGsJgNn7OjxKuvMXj 1XW0wEacIwOW5Zd9D1/mUnU= X-Google-Smtp-Source: ALg8bN572fgQ7BVpqWtVPeZCZjesYfhvM9ihap+krtcgDncCdIJHkaS71kJu69nxdXZGDMW0GRtN3Q== X-Received: by 2002:a63:8c6:: with SMTP id 189mr9273242pgi.322.1548407701432; Fri, 25 Jan 2019 01:15:01 -0800 (PST) Received: from localhost ([43.224.245.181]) by smtp.gmail.com with ESMTPSA id w184sm29625319pgd.34.2019.01.25.01.15.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 25 Jan 2019 01:15:00 -0800 (PST) From: Geliang Tang To: Phillip Lougher , Andrew Morton , Kees Cook , Greg Kroah-Hartman , Coly Li Cc: Geliang Tang , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 0/2] squashfs/squashfs-tools: Add posix acl support Date: Fri, 25 Jan 2019 17:14:48 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org When we use mksquashfs tool to create a squashfs image from the files which have POSIX ACLs(Access Control Lists), we get these errors: Unrecognised xattr prefix system.posix_acl_access Unrecognised xattr prefix system.posix_acl_default This patcheset adds posix acl support to squashfs to fix this problem. Patch #1 for kerenl tree and patch #2 for squashfs-tools tree. --- Testcase: $ mkdir root $ getfacl root # file: root # owner: tgl # group: tgl user::rwx group::r-x other::r-x $ setfacl -m u:tgl:rw root $ setfacl -m d:tgl:rw root $ getfacl root # file: root # owner: tgl # group: tgl user::rwx user:tgl:rw- group::r-x mask::rwx other::r-x default:user::rwx default:user:tgl:rw- default:group::r-x default:mask::rwx default:other::r-x $ getfattr -m . -d root # file: root system.posix_acl_access=0sAgAAAAEABwD/////AgAGAOgDAAAEAAUA/////xAABwD/////IAAFAP////8= system.posix_acl_default=0sAgAAAAEABwD/////AgAGAOgDAAAEAAUA/////xAABwD/////IAAFAP////8= $ mksquashfs root root.img $ sudo mount root.img /mnt/squash/ $ cd /mnt $ getfacl squash # file: squash # owner: tgl # group: tgl user::rwx user:tgl:rw- group::r-x mask::rwx other::r-x default:user::rwx default:user:tgl:rw- default:group::r-x default:mask::rwx default:other::r-x $ getfattr -m . -d squash # file: squash system.posix_acl_access=0sAgAAAAEABwD/////AgAGAOgDAAAEAAUA/////xAABwD/////IAAFAP////8= system.posix_acl_default=0sAgAAAAEABwD/////AgAGAOgDAAAEAAUA/////xAABwD/////IAAFAP////8= --- Geliang Tang (1): squashfs: Add posix acl support Documentation/filesystems/squashfs.txt | 2 - fs/squashfs/Kconfig | 11 +++++ fs/squashfs/Makefile | 1 + fs/squashfs/acl.c | 56 ++++++++++++++++++++++++++ fs/squashfs/acl.h | 18 +++++++++ fs/squashfs/inode.c | 4 +- fs/squashfs/namei.c | 6 ++- fs/squashfs/squashfs_fs.h | 12 +++--- fs/squashfs/super.c | 3 ++ fs/squashfs/symlink.c | 6 ++- fs/squashfs/xattr.c | 31 +++++++++++++- fs/squashfs/xattr.h | 8 ++++ 12 files changed, 145 insertions(+), 13 deletions(-) create mode 100644 fs/squashfs/acl.c create mode 100644 fs/squashfs/acl.h --- Geliang Tang (1): squashfs-tools: Add posix acl support squashfs-tools/read_xattrs.c | 2 ++ squashfs-tools/squashfs_fs.h | 12 +++++++----- 2 files changed, 9 insertions(+), 5 deletions(-) -- 2.17.1