From patchwork Mon Oct 9 03:34:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 13412927 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45C14E95A8D for ; Mon, 9 Oct 2023 03:34:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345036AbjJIDeg (ORCPT ); Sun, 8 Oct 2023 23:34:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344903AbjJIDef (ORCPT ); Sun, 8 Oct 2023 23:34:35 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54161A6 for ; Sun, 8 Oct 2023 20:34:33 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 039262184E for ; Mon, 9 Oct 2023 03:34:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1696822472; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DU/sXgBR2SNCq6Z8AXjtQZHb3Jkek8I9OsEe3xwaTik=; b=Yfo0dgDByWwl2u9Y0s6xnGaLArMcmTKYdY8M1VmkLcR4WF+O0KtSkd7wE5hdj6R6j17F9J tKGJeQPnWoXQMVXbk2K9oMqblHmzip7qdMd+e7ExXNi8ANRN/D6L0jqztT0GZvizjd+pnw /7S5Id23I5F/lKYSmWHAiMxL4ALscII= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id CD1C1138F1 for ; Mon, 9 Oct 2023 03:34:30 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id oDf+GsZ0I2X8PQAAMHmgww (envelope-from ) for ; Mon, 09 Oct 2023 03:34:30 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH 1/2] btrfs-progs: mkfs/rootdir: add the missing xattr for the rootdir inode Date: Mon, 9 Oct 2023 14:04:08 +1030 Message-ID: X-Mailer: git-send-email 2.42.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org [BUG] When using "mkfs.btrfs" with "--rootdir" option, the top level inode (rootdir) will not get the same xattr from the source dir: mkdir -p source_dir/ touch source_dir/file setfattr -n user.rootdir_xattr source_dir/ setfattr -n user.regular_xattr source_dir/file mkfs.btrfs -f --rootdir source_dir $dev mount $dev $mnt getfattr $mnt # Nothing <<< getfattr $mnt/file # file: $mnt/file user.regular_xattr <<< [CAUSE] In function traverse_directory(), we only call add_xattr_item() for all the child inodes, not really for the rootdir inode itself, leading to the missing xattr items. [FIX] Also call add_xattr_item() for the rootdir inode. Issue: #688 Signed-off-by: Qu Wenruo --- mkfs/rootdir.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mkfs/rootdir.c b/mkfs/rootdir.c index a413a31eb2d6..f6328c9df2ec 100644 --- a/mkfs/rootdir.c +++ b/mkfs/rootdir.c @@ -466,6 +466,14 @@ static int traverse_directory(struct btrfs_trans_handle *trans, dir_entry->inum = parent_inum; list_add_tail(&dir_entry->list, &dir_head->list); + ret = add_xattr_item(trans, root, btrfs_root_dirid(&root->root_item), + dir_name); + if (ret < 0) { + errno = -ret; + error("failed to add xattr item for the top level inode: %m"); + goto fail_no_dir; + } + root_dir_key.objectid = btrfs_root_dirid(&root->root_item); root_dir_key.offset = 0; root_dir_key.type = BTRFS_INODE_ITEM_KEY;