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[31.168.166.246]) by smtp.gmail.com with ESMTPSA id z108sm2190403wrc.49.2017.09.07.03.02.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 07 Sep 2017 03:02:56 -0700 (PDT) From: Amir Goldstein To: Eryu Guan Cc: Josef Bacik , fstests@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v4 7/8] fstests: crash consistency fsx test for cloned files Date: Thu, 7 Sep 2017 13:03:12 +0300 Message-Id: <1504778593-12071-8-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 Signed-off-by: Amir Goldstein --- tests/generic/502 | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/502.out | 2 + tests/generic/group | 1 + 3 files changed, 144 insertions(+) create mode 100755 tests/generic/502 create mode 100644 tests/generic/502.out diff --git a/tests/generic/502 b/tests/generic/502 new file mode 100755 index 0000000..96908f5 --- /dev/null +++ b/tests/generic/502 @@ -0,0 +1,141 @@ +#! /bin/bash +# FS QA Test No. 502 +# +# Run fsx with log writes on cloned files to verify power fail safeness. +# +#----------------------------------------------------------------------- +# 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` +status=1 # failure is the default! + +_cleanup() +{ + _log_writes_cleanup +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/dmlogwrites + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_test +_require_scratch_reflink +_require_cp_reflink +_require_log_writes + +rm -f $seqres.full + +check_files() +{ + local name=$1 + + # Now look for our files + for i in $(find $SANITY_DIR -type f | grep $name | grep mark) + do + local filename=$(basename $i) + local mark="${filename##*.}" + echo "checking $filename" >> $seqres.full + _log_writes_replay_log $filename + _scratch_mount + local expected_md5=$(_md5_checksum $i) + local md5=$(_md5_checksum $SCRATCH_MNT/$name) + [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched" + _scratch_unmount + _check_scratch_fs + done +} + +SANITY_DIR=$TEST_DIR/fsxtests +rm -rf $SANITY_DIR +mkdir $SANITY_DIR + +# Create the log +_log_writes_init + +_log_writes_mkfs >> $seqres.full 2>&1 + +# Log writes emulates discard support, turn it on for maximum crying. +_log_writes_mount -o discard + +# write testfile index -1 to be cloned to testfile0 +$XFS_IO_PROG -f -c "pwrite -S 0xff 0 256k" -c "fsync" \ + $SCRATCH_MNT/testfile-1 > /dev/null 2>&1 + +NUM_FILES=10 +NUM_OPS=10 +FSX_OPTS="-N $NUM_OPS -d -k -P $SANITY_DIR -i $LOGWRITES_DMDEV" +# Run fsx for a while +# Set random seeds for fsx runs (0 for timestamp + pid) +for j in `seq 0 $((NUM_FILES-1))` +do + # clone the clone from prev iteration which may have already mutated + _cp_reflink $SCRATCH_MNT/testfile$((j-1)) $SCRATCH_MNT/testfile$j + run_check $here/ltp/fsx $FSX_OPTS -S 0 -j $j $SCRATCH_MNT/testfile$j & +done +wait + +test_md5=() +for j in `seq 0 $((NUM_FILES-1))` +do + test_md5[$j]=$(_md5_checksum $SCRATCH_MNT/testfile$j) +done + +# Unmount the scratch dir and tear down the log writes target +_log_writes_mark last +_log_writes_unmount +_log_writes_mark end +_log_writes_remove +_check_scratch_fs + +# check pre umount +echo "checking pre umount" >> $seqres.full +_log_writes_replay_log last +_scratch_mount +_scratch_unmount +_check_scratch_fs + +for j in `seq 0 $((NUM_FILES-1))` +do + check_files testfile$j +done + +# Check the end +echo "checking post umount" >> $seqres.full +_log_writes_replay_log end +_scratch_mount +for j in `seq 0 $((NUM_FILES-1))` +do + md5=$(_md5_checksum $SCRATCH_MNT/testfile$j) + [ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched" +done + +echo "Silence is golden" +status=0 +exit + diff --git a/tests/generic/502.out b/tests/generic/502.out new file mode 100644 index 0000000..930f6d4 --- /dev/null +++ b/tests/generic/502.out @@ -0,0 +1,2 @@ +QA output created by 502 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 1e1b524..4324775 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -459,3 +459,4 @@ 454 auto quick attr 500 auto log replay 501 auto quick metadata +502 auto log replay clone