From patchwork Tue Oct 23 09:41:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Su Yue X-Patchwork-Id: 10652873 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8B19514BD for ; Tue, 23 Oct 2018 09:34:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E21428F29 for ; Tue, 23 Oct 2018 09:34:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 62B242901D; Tue, 23 Oct 2018 09:34:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1A7CA28F29 for ; Tue, 23 Oct 2018 09:34:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728602AbeJWR5S (ORCPT ); Tue, 23 Oct 2018 13:57:18 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:2023 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728020AbeJWR5Q (ORCPT ); Tue, 23 Oct 2018 13:57:16 -0400 X-IronPort-AV: E=Sophos;i="5.43,368,1503331200"; d="scan'208";a="46602828" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 23 Oct 2018 17:34:36 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id 366754B3305F for ; Tue, 23 Oct 2018 17:34:38 +0800 (CST) Received: from archlinux.g08.fujitsu.local (10.167.226.24) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 23 Oct 2018 17:34:44 +0800 From: Su Yue To: CC: Subject: [PATCH 05/13] btrfs-progs: lowmem: check unaligned disk_bytenr for extent_data Date: Tue, 23 Oct 2018 17:41:39 +0800 Message-ID: <20181023094147.7906-6-suy.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181023094147.7906-1-suy.fnst@cn.fujitsu.com> References: <20181023094147.7906-1-suy.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.24] X-yoursite-MailScanner-ID: 366754B3305F.A8278 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: suy.fnst@cn.fujitsu.com Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support to check unaligned disk_bytenr for extent_data. Signed-off-by: Su Yue Reviewed-by: Qu Wenruo --- check/mode-lowmem.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c index 35fe1adf58e6..e8a2e825c0f3 100644 --- a/check/mode-lowmem.c +++ b/check/mode-lowmem.c @@ -3103,7 +3103,14 @@ static int check_extent_data_item(struct btrfs_root *root, extent_num_bytes = btrfs_file_extent_num_bytes(eb, fi); offset = btrfs_file_extent_offset(eb, fi); - /* Check unaligned disk_num_bytes and num_bytes */ + /* Check unaligned disk_bytenr, disk_num_bytes and num_bytes */ + if (!IS_ALIGNED(disk_bytenr, root->fs_info->sectorsize)) { + error( +"file extent [%llu, %llu] has unaligned disk bytenr: %llu, should be aligned to %u", + fi_key.objectid, fi_key.offset, disk_bytenr, + root->fs_info->sectorsize); + err |= BYTES_UNALIGNED; + } if (!IS_ALIGNED(disk_num_bytes, root->fs_info->sectorsize)) { error( "file extent [%llu, %llu] has unaligned disk num bytes: %llu, should be aligned to %u",