On 09/26/2014 12:14 AM, Eryu Guan wrote:
Run btrfs balance and scrub operations simultaneously with fsstress
running in background.
Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>
---
common/rc | 9 +++++
tests/btrfs/060 | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/060.out | 2 +
tests/btrfs/group | 1 +
4 files changed, 126 insertions(+)
create mode 100755 tests/btrfs/060
create mode 100644 tests/btrfs/060.out
diff --git a/common/rc b/common/rc
index 2393c4b..d1dec8a 100644
--- a/common/rc
+++ b/common/rc
@@ -2591,6 +2591,15 @@ _btrfs_stress_subvolume()
done
}
+# stress btrfs by running scrub in a loop
+_btrfs_stress_scrub()
+{
+ local btrfs_mnt=$1
+ while true; do
+ $BTRFS_UTIL_PROG scrub start -B $btrfs_mnt
+ done
+}
+
init_rc()
{
if [ "$iam" == new ]
diff --git a/tests/btrfs/060 b/tests/btrfs/060
new file mode 100755
index 0000000..b270c7b
--- /dev/null
+++ b/tests/btrfs/060
@@ -0,0 +1,114 @@
+#! /bin/bash
+# FSQA Test No. btrfs/060
+#
+# Run btrfs balance and scrub operations simultaneously with fsstress
+# running in background.
+#
+#-----------------------------------------------------------------------
+# Copyright (C) 2014 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
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+# we check scratch dev after each loop
+_require_scratch_nocheck
+_require_scratch_dev_pool 4
+_btrfs_get_profile_configs
+
+rm -f $seqres.full
+
+run_test()
+{
+ local mkfs_opts=$1
+
+ echo "Test $mkfs_opts" >>$seqres.full
+
+ _scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
+ # make sure we created btrfs with desired options
+ if [ $? -ne 0 ]; then
+ echo "mkfs $mkfs_opts failed"
+ return
+ fi
+ _scratch_mount >>$seqres.full 2>&1
+
+ 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 scrub worker: " >>$seqres.full
+ _btrfs_stress_scrub $SCRATCH_MNT >/dev/null 2>&1 &
+ scrub_pid=$!
+ echo "$scrub_pid" >>$seqres.full
+
+ echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
+ wait $fsstress_pid
+ kill $balance_pid $scrub_pid
+ wait
+ # wait for the balance and scrub operations to finish
+ while ps aux | grep "balance start" | grep -qv grep; do
+ sleep 1
+ done
+ while ps aux | grep "scrub start" | grep -qv grep; do
+ sleep 1
+ done
I'm just going to point this out here again and assume that it applies
for every other patch in this series. Thanks,
Josef
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