From patchwork Tue Jan 13 12:34:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhaolei X-Patchwork-Id: 5620231 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 67C349F6E2 for ; Tue, 13 Jan 2015 12:36:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8A31620263 for ; Tue, 13 Jan 2015 12:36:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E64D20605 for ; Tue, 13 Jan 2015 12:36:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752505AbbAMMgM (ORCPT ); Tue, 13 Jan 2015 07:36:12 -0500 Received: from cn.fujitsu.com ([59.151.112.132]:42603 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752452AbbAMMgJ (ORCPT ); Tue, 13 Jan 2015 07:36:09 -0500 X-IronPort-AV: E=Sophos;i="5.04,848,1406563200"; d="scan'208";a="55984210" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 13 Jan 2015 20:32:40 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t0DCZVtD000512; Tue, 13 Jan 2015 20:35:31 +0800 Received: from localhost.localdomain (10.167.226.114) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server id 14.3.181.6; Tue, 13 Jan 2015 20:36:08 +0800 From: Zhaolei To: CC: Zhao Lei , Miao Xie Subject: [PATCH 10/15] Btrfs: Avoid trustless page-level-repair in dev-replace Date: Tue, 13 Jan 2015 20:34:43 +0800 Message-ID: <1421152488-30548-11-git-send-email-zhaolei@cn.fujitsu.com> X-Mailer: git-send-email 1.8.5.1 In-Reply-To: <1421152488-30548-1-git-send-email-zhaolei@cn.fujitsu.com> References: <1421152488-30548-1-git-send-email-zhaolei@cn.fujitsu.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 From: Zhao Lei Current code of page level repair for dev-replace can only support io-error, we can't use it in checksum-fail case. We can skip this kind of repair in dev-replace just as we in scrub. Signed-off-by: Zhao Lei Signed-off-by: Miao Xie --- fs/btrfs/scrub.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 22779dd..8d6c29a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1099,6 +1099,10 @@ nodatasum_case: } } + /* can only fix I/O errors from here on */ + if (sblock_bad->no_io_error_seen) + goto did_not_correct_error; + /* * for dev_replace, pick good pages and write to the target device. */ @@ -1181,10 +1185,6 @@ nodatasum_case: * area are unreadable. */ - /* can only fix I/O errors from here on */ - if (sblock_bad->no_io_error_seen) - goto did_not_correct_error; - success = 1; for (page_num = 0; page_num < sblock_bad->page_count; page_num++) { struct scrub_page *page_bad = sblock_bad->pagev[page_num];