Run several duperemove processes with fsstress on same directory at
same time. Make sure the race won't break the fs or kernel.
Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
---
V2 did below changes:
1) do sleep 1 after kill processes
2) change SLEEP_TIME to sleep_time
3) add the case to stress group
Thanks,
Zorro
tests/shared/010 | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++
tests/shared/010.out | 2 +
tests/shared/group | 1 +
3 files changed, 114 insertions(+)
create mode 100755 tests/shared/010
create mode 100644 tests/shared/010.out
diff --git a/tests/shared/010 b/tests/shared/010
new file mode 100755
index 00000000..c449c247
--- /dev/null
+++ b/tests/shared/010
@@ -0,0 +1,111 @@
+#! /bin/bash
+# FS QA Test 010
+#
+# Dedup & random I/O race test, do multi-threads fsstress and dedupe on
+# same directory/files
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2018 Red Hat Inc. All Rights Reserved.
+#
+# 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!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+ kill_all_stress
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+
+# duperemove only supports btrfs and xfs (with reflink feature).
+# Add other filesystems if it supports more later.
+_supported_fs xfs btrfs
+_supported_os Linux
+_require_scratch_dedupe
+_require_command "$DUPEREMOVE_PROG" duperemove
+_require_command "$KILLALL_PROG" killall
+
+_scratch_mkfs > $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+function kill_all_stress()
+{
+ local f=1
+ local d=1
+
+ # kill the bash process which loop run duperemove
+ if [ -n "$loop_dedup_pid" ]; then
+ kill $loop_dedup_pid > /dev/null 2>&1
+ wait $loop_dedup_pid > /dev/null 2>&1
+ loop_dedup_pid=""
+ fi
+
+ # Make sure all fsstress and duperemove processes get killed
+ while [ $((f + d)) -ne 0 ]; do
+ $KILLALL_PROG -q $FSSTRESS_PROG > /dev/null 2>&1
+ $KILLALL_PROG -q $DUPEREMOVE_PROG > /dev/null 2>&1
+ sleep 1
+ f=`ps -eLf | grep $FSSTRESS_PROG | grep -v "grep" | wc -l`
+ d=`ps -eLf | grep $DUPEREMOVE_PROG | grep -v "grep" | wc -l`
+ done
+}
+
+sleep_time=$((50 * TIME_FACTOR))
+
+# Start fsstress
+fsstress_opts="-r -n 1000 -p $((5 * LOAD_FACTOR))"
+$FSSTRESS_PROG $fsstress_opts -d $SCRATCH_MNT -l 0 >> $seqres.full 2>&1 &
+loop_dedup_pid=""
+# Start several dedupe processes on same directory
+for ((i = 0; i < $((2 * LOAD_FACTOR)); i++)); do
+ while true; do
+ $DUPEREMOVE_PROG -dr --dedupe-options=same $SCRATCH_MNT/ \
+ >>$seqres.full 2>&1
+ done &
+ loop_dedup_pid="$! $loop_dedup_pid"
+done
+
+# End the test after $sleep_time seconds
+sleep $sleep_time
+kill_all_stress
+
+# umount and mount again, verify pagecache contents don't mutate and a fresh
+# read from the disk also doesn't show mutations.
+find $testdir -type f -exec md5sum {} \; > $TEST_DIR/${seq}md5.sum
+_scratch_cycle_mount
+md5sum -c --quiet $TEST_DIR/${seq}md5.sum
+
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/shared/010.out b/tests/shared/010.out
new file mode 100644
index 00000000..1d83a8d6
--- /dev/null
+++ b/tests/shared/010.out
@@ -0,0 +1,2 @@
+QA output created by 010
+Silence is golden
diff --git a/tests/shared/group b/tests/shared/group
index 9c484794..094da27d 100644
--- a/tests/shared/group
+++ b/tests/shared/group
@@ -12,6 +12,7 @@
007 dangerous_fuzzers
008 auto stress dedupe
009 auto stress dedupe
+010 auto stress dedupe
032 mkfs auto quick
272 auto enospc rw
289 auto quick
--
2.14.4
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