This test runs fsstress+balance+defrag and then replays every FUA in the log and
mounts, scrubs and then fscks the fs to make sure it does the balance recovery
properly. Thanks,
Signed-off-by: Josef Bacik <jba...@fb.com>
---
tests/btrfs/083 | 135 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/083.out | 1 +
tests/btrfs/group | 1 +
3 files changed, 137 insertions(+)
create mode 100644 tests/btrfs/083
create mode 100644 tests/btrfs/083.out
diff --git a/tests/btrfs/083 b/tests/btrfs/083
new file mode 100644
index 0000000..66118b9
--- /dev/null
+++ b/tests/btrfs/083
@@ -0,0 +1,135 @@
+#! /bin/bash
+# FSQA Test No. btrfs/083
+#
+# Run btrfs balance and defrag operations simultaneously with fsstress
+# running in background on top of dm-log-writes.
+#
+#-----------------------------------------------------------------------
+# Copyright (C) 2015 Facebook. 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
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/dmlogwrites
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+# we check scratch dev after each loop
+_need_to_be_root
+_require_scratch_nocheck
+_require_dm_log_writes
+
+rm -f $seqres.full
+
+_wait_balance()
+{
+ while [ 1 ]
+ do
+ $BTRFS_UTIL_PROG filesystem balance status $SCRATCH_MNT \
+ | grep "No balance" >> $seqres.full
+ [ $? -eq 0 ] && break
+ sleep 1
+ done
+}
+
+run_test()
+{
+ args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d
$SCRATCH_MNT/stressdir`
+ echo "Run fsstress $args" >>$seqres.full
+ $FSSTRESS_PROG $args >/dev/null 2>&1 &
+ fsstress_pid=$!
+
+ echo -n "Start balance worker: " >>$seqres.full
+ _btrfs_stress_balance $SCRATCH_MNT >/dev/null 2>&1 &
+ balance_pid=$!
+ echo "$balance_pid" >>$seqres.full
+
+ echo -n "Start defrag worker: " >>$seqres.full
+ _btrfs_stress_defrag $SCRATCH_MNT $with_compress >/dev/null 2>&1 &
+ defrag_pid=$!
+ echo "$defrag_pid" >>$seqres.full
+
+ echo "Wait for fsstress to exit and kill all background workers"
>>$seqres.full
+ wait $fsstress_pid
+ kill $balance_pid $defrag_pid
+ wait
+ # wait for the balance and defrag operations to finish
+ while ps aux | grep "balance start" | grep -qv grep; do
+ sleep 1
+ done
+ while ps aux | grep "btrfs filesystem defrag" | grep -qv grep; do
+ sleep 1
+ done
+}
+
+_init_log_writes
+
+_log_writes_mkfs >> $seqres.full 2>&1
+
+_mount_log_writes
+
+run_test "$t" nocompress
+
+_unmount_log_writes
+_log_writes_remove
+
+# Get the number of entries in the log
+NUM_ENTRIES=$($REPLAYLOG_PROG --log $LOGWRITES_DEV --num-entries)
+
+# Start at the first FUA after the mkfs
+ENTRY=$($REPLAYLOG_PROG --log $LOGWRITES_DEV --start-mark mkfs \
+ --find --next-fua)
+
+while [ $ENTRY -lt $NUM_ENTRIES ];
+do
+ echo "Replaying to $ENTRY" >> $seqres.full
+ $REPLAYLOG_PROG --log $LOGWRITES_DEV --replay $SCRATCH_DEV --limit \
+ $ENTRY > /dev/null 2>&1
+ [ $? -ne 0 ] && _fatal "replay failed"
+ btrfsck $SCRATCH_DEV >> $seqres.full 2>&1 || _fatal "btrfsck failed"
+ _scratch_mount || _fatal "mount failed"
+ _wait_balance
+ $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >> $seqres.full 2>&1
+ [ $? -ne 0 ] && _fatal "scrub failed"
+ _scratch_unmount
+ btrfsck $SCRATCH_DEV >> $seqres.full 2>&1 || _fatal "btrfsck failed"
+ let ENTRY+=1
+ ENTRY=$($REPLAYLOG_PROG --find --start-entry $ENTRY --log \
+ $LOGWRITES_DEV --next-fua)
+done
+
+status=0
+exit
+
diff --git a/tests/btrfs/083.out b/tests/btrfs/083.out
new file mode 100644
index 0000000..b675a31
--- /dev/null
+++ b/tests/btrfs/083.out
@@ -0,0 +1 @@
+QA output created by 083
diff --git a/tests/btrfs/group b/tests/btrfs/group
index fd2fa76..88719ca 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -85,3 +85,4 @@
080 auto snapshot
081 auto quick clone
082 auto quick remount
+083 auto log
--
1.8.3.1
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