From patchwork Thu May 29 10:01:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Shilong X-Patchwork-Id: 4263801 X-Patchwork-Delegate: dave@jikos.cz Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5D41CBF90B for ; Thu, 29 May 2014 10:05:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 842EC20306 for ; Thu, 29 May 2014 10:05:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BC1E201FA for ; Thu, 29 May 2014 10:05:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756053AbaE2KFV (ORCPT ); Thu, 29 May 2014 06:05:21 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:50039 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1755981AbaE2KFT (ORCPT ); Thu, 29 May 2014 06:05:19 -0400 X-IronPort-AV: E=Sophos;i="4.98,933,1392134400"; d="scan'208";a="31187276" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 29 May 2014 18:02:43 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s4TA5Ikx005262 for ; Thu, 29 May 2014 18:05:18 +0800 Received: from wangs.fnst.cn.fujitsu.com (10.167.226.104) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.146.2; Thu, 29 May 2014 18:05:18 +0800 From: Wang Shilong To: Subject: [PATCH 3/3] Btrfs-progs: fsck: add tests for extent tree rebuilding Date: Thu, 29 May 2014 18:01:44 +0800 Message-ID: <1401357704-9752-3-git-send-email-wangsl.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1401357704-9752-1-git-send-email-wangsl.fnst@cn.fujitsu.com> References: <1401357704-9752-1-git-send-email-wangsl.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.104] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 We need test to verify extent tree rebuilding work, this test create a strange filesystem with some snapshots, destroy extent root node, and run fsck with "--init-extent-tree". Since this tests need btrfs internal tool(btrfs-corrupt-block),so i add this test into btrfs-progs. Signed-off-by: Wang Shilong --- tests/fsck-tests.sh | 69 ++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 58 insertions(+), 11 deletions(-) diff --git a/tests/fsck-tests.sh b/tests/fsck-tests.sh index 25c390d..b783b78 100644 --- a/tests/fsck-tests.sh +++ b/tests/fsck-tests.sh @@ -6,27 +6,74 @@ # here=`pwd` +TEST_DEV= +TEST_MNT= +RESULT="fsck-tests-results.txt" _fail() { - echo "$*" | tee -a fsck-tests-results.txt + echo "$*" | tee -a $RESULT exit 1 } -rm -f fsck-tests-results.txt +run_check() +{ + echo "############### $@" >> $RESULT 2>&1 + "$@" >> $RESULT 2>&1 || _fail "failed: $@" +} + +rm -f $RESULT + +if [ -z $TEST_DEV ] || [ -z $TEST_MNT ];then + _fail "please set TEST_DEV and TEST_MNT" +fi + +# test rely on corrupting blocks tool +run_check make btrfs-corrupt-block for i in $(find $here/tests/fsck-tests -name '*.img') do echo " [TEST] $(basename $i)" - echo "testing image $i" >> fsck-tests-results.txt - $here/btrfs-image -r $i test.img >> fsck-tests-results.txt 2>&1 \ - || _fail "restore failed" - $here/btrfsck test.img >> fsck-test-results.txt 2>&1 - [ $? -eq 0 ] && _fail "btrfsck should have detected corruption" + echo "testing image $i" >> $RESULT + + run_check $here/btrfs-image -r $i test.img - $here/btrfsck --repair test.img >> fsck-test-results.txt 2>&1 || \ - _fail "btrfsck should have repaired the image" + $here/btrfsck test.img >> $RESULT 2>&1 + [ $? -eq 0 ] && _fail "btrfsck should have detected corruption" - $here/btrfsck test.img >> fsck-test-results.txt 2>&1 || \ - _fail "btrfsck did not correct corruption" + run_check $here/btrfsck --repair test.img + run_check $here/btrfsck test.img done + +# test whether fsck can rebuild a corrupted extent tree +test_extent_tree_rebuild() +{ + echo " [TEST] extent tree rebuild" + $here/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs" + + run_check mount $TEST_DEV $TEST_MNT + cp -aR /lib/modules/`uname -r`/ $TEST_MNT 2>&1 + + for i in `seq 1 100`;do + $here/btrfs sub snapshot $TEST_MNT \ + $TEST_MNT/snapaaaaaaa_$i >& /dev/null + done + run_check umount $TEST_DEV + + # get extent root bytenr + extent_root_bytenr=`$here/btrfs-debug-tree -r $TEST_DEV | grep extent | awk '{print $7}'` + if [ -z $extent_root_bytenr ];then + _fail "fail to get extent root bytenr" + fi + + # corrupt extent root node block + run_check $here/btrfs-corrupt-block -l $extent_root_bytenr \ + -b 4096 $TEST_DEV + + $here/btrfs check $TEST_DEV >& /dev/null && \ + _fail "fsck should detect failure" + run_check $here/btrfs check --init-extent-tree $TEST_DEV + run_check $here/btrfs check $TEST_DEV +} + +test_extent_tree_rebuild