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[31.168.166.246]) by smtp.gmail.com with ESMTPSA id z108sm2190403wrc.49.2017.09.07.03.02.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 07 Sep 2017 03:02:55 -0700 (PDT) From: Amir Goldstein To: Eryu Guan Cc: Josef Bacik , fstests@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v4 6/8] fstests: regression test for ext4 crash consistency bug Date: Thu, 7 Sep 2017 13:03:11 +0300 Message-Id: <1504778593-12071-7-git-send-email-amir73il@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1504778593-12071-1-git-send-email-amir73il@gmail.com> References: <1504778593-12071-1-git-send-email-amir73il@gmail.com> Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This test is motivated by this inconsistency found in ext4 during random crash consistency tests: *** fsck.ext4 output *** fsck from util-linux 2.27.1 e2fsck 1.42.13 (17-May-2015) Pass 1: Checking inodes, blocks, and sizes Inode 12, end of extent exceeds allowed value (logical block 33, physical block 33817, len 7) Clear? no Inode 12, i_blocks is 240, should be 184. Fix? no This test uses device mapper flakey target to demonstrate the bug found using device mapper log-writes target. Signed-off-by: Amir Goldstein fix 501 --- tests/generic/501 | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/501.out | 2 ++ tests/generic/group | 1 + 3 files changed, 83 insertions(+) create mode 100755 tests/generic/501 create mode 100644 tests/generic/501.out diff --git a/tests/generic/501 b/tests/generic/501 new file mode 100755 index 0000000..d0ac49d --- /dev/null +++ b/tests/generic/501 @@ -0,0 +1,80 @@ +#! /bin/bash +# FS QA Test No. 501 +# +# This test is motivated by a bug found in ext4 during random crash +# consistency tests. +# +#----------------------------------------------------------------------- +# Copyright (C) 2017 CTERA Networks. All Rights Reserved. +# Author: Amir Goldstein +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_flakey + cd / + rm -f $tmp.* +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/dmflakey + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_scratch +_require_dm_target flakey + +rm -f $seqres.full + +_scratch_mkfs >> $seqres.full 2>&1 +_require_metadata_journaling $SCRATCH_DEV + +_init_flakey +_mount_flakey + +fsxops=$tmp.fsxops +cat < $fsxops +write 0x137dd 0xdc69 0x0 +fallocate 0xb531 0xb5ad 0x21446 +collapse_range 0x1c000 0x4000 0x21446 +write 0x3e5ec 0x1a14 0x21446 +zero_range 0x20fac 0x6d9c 0x40000 keep_size +mapwrite 0x216ad 0x274f 0x40000 +EOF +run_check $here/ltp/fsx -d --replay-ops $fsxops $SCRATCH_MNT/testfile + +_flakey_drop_and_remount +_unmount_flakey +_cleanup_flakey +_check_scratch_fs + +echo "Silence is golden" + +status=0 +exit diff --git a/tests/generic/501.out b/tests/generic/501.out new file mode 100644 index 0000000..00133b6 --- /dev/null +++ b/tests/generic/501.out @@ -0,0 +1,2 @@ +QA output created by 501 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index c857153..1e1b524 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -458,3 +458,4 @@ 453 auto quick dir 454 auto quick attr 500 auto log replay +501 auto quick metadata