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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 C622CC2D0DA for ; Sun, 29 Dec 2019 17:26:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 949C4207FD for ; Sun, 29 Dec 2019 17:26:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577640405; bh=w6rjCezbHYu8+Vw7DkTVFboNyRvoJnenSXJk/POTN4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n1H4Bn8JDUMflJ6QmDG5k3Jz8eF9kVDjwVGGgejI0mMxttriHU+R9euYI+MIEV6/d gizM9x4mucdSbw76ZgSPu0QIs6F+OSWNIj1kBMFDEFnAoLLMH87cHVgjua02Diq5zd fuQCTasaH4ijvrhYOwcM9w3emSFBMHPIyYdRGhaA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728279AbfL2R0o (ORCPT ); Sun, 29 Dec 2019 12:26:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:48100 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728259AbfL2R0m (ORCPT ); Sun, 29 Dec 2019 12:26:42 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8773621744; Sun, 29 Dec 2019 17:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577640402; bh=w6rjCezbHYu8+Vw7DkTVFboNyRvoJnenSXJk/POTN4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jQ6XNfsapI76WFwO2/N6I9pFRoPFlj0ylQPs5kMAeUgxhhVc21N4wU562JM1+9/M8 utZpGmHurTbQhB9ACS1JQ/WfV3Xmwt31n8/ZfrAbdjYmL2gjqSTQt21AWsHxR6g3es H96+vGX1k0TaeLn7VAcLIU9TBpxXVsz1TyblyX3E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Filipe Manana , Johannes Thumshirn , Josef Bacik , David Sterba , Sasha Levin Subject: [PATCH 4.14 143/161] btrfs: abort transaction after failed inode updates in create_subvol Date: Sun, 29 Dec 2019 18:19:51 +0100 Message-Id: <20191229162442.829780583@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191229162355.500086350@linuxfoundation.org> References: <20191229162355.500086350@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Josef Bacik [ Upstream commit c7e54b5102bf3614cadb9ca32d7be73bad6cecf0 ] We can just abort the transaction here, and in fact do that for every other failure in this function except these two cases. CC: stable@vger.kernel.org # 4.4+ Reviewed-by: Filipe Manana Reviewed-by: Johannes Thumshirn Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/ioctl.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index dd3b4820ac30..e82b4f3f490c 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -580,12 +580,18 @@ static noinline int create_subvol(struct inode *dir, btrfs_i_size_write(BTRFS_I(dir), dir->i_size + namelen * 2); ret = btrfs_update_inode(trans, root, dir); - BUG_ON(ret); + if (ret) { + btrfs_abort_transaction(trans, ret); + goto fail; + } ret = btrfs_add_root_ref(trans, fs_info, objectid, root->root_key.objectid, btrfs_ino(BTRFS_I(dir)), index, name, namelen); - BUG_ON(ret); + if (ret) { + btrfs_abort_transaction(trans, ret); + goto fail; + } ret = btrfs_uuid_tree_add(trans, fs_info, root_item->uuid, BTRFS_UUID_KEY_SUBVOL, objectid); -- 2.20.1