Test remount btrfs with different pairing options like barrier and no barrier.
Mainly used to test the following comming btrfs kernel commit:(Not in
mainline yet)
8dd6d2c btrfs: Add treelog mount option.
f1eccd3 btrfs: Add datasum mount option.
aad3269 btrfs: Add datacow mount option.
22bab74 btrfs: Add acl mount option.
170e45e btrfs: Add noflushoncommit mount option.
ce41bc9 btrfs: Add noenospc_debug mount option.
f3c639b btrfs: Add nodiscard mount option.
962cbee btrfs: Add noautodefrag mount option.
0b4fa2a btrfs: Add "barrier" option to support "-o remount,barrier"
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
Cc: Eric Sandeen <sandeen@xxxxxxxxxx>
---
tests/btrfs/025 | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/025.out | 2 +
tests/btrfs/group | 1 +
3 files changed, 128 insertions(+)
create mode 100755 tests/btrfs/025
create mode 100644 tests/btrfs/025.out
diff --git a/tests/btrfs/025 b/tests/btrfs/025
new file mode 100755
index 0000000..014da19
--- /dev/null
+++ b/tests/btrfs/025
@@ -0,0 +1,125 @@
+#!/bin/bash
+# Btrfs QA test No. 025
+#
+# Check for paired btrfs mount options
+#
+# Regression test for the following btrfs commits
+# 8dd6d2c btrfs: Add treelog mount option.
+# f1eccd3 btrfs: Add datasum mount option.
+# aad3269 btrfs: Add datacow mount option.
+# 22bab74 btrfs: Add acl mount option.
+# 170e45e btrfs: Add noflushoncommit mount option.
+# ce41bc9 btrfs: Add noenospc_debug mount option.
+# f3c639b btrfs: Add nodiscard mount option.
+# 962cbee btrfs: Add noautodefrag mount option.
+# 0b4fa2a btrfs: Add "barrier" option to support "-o remount,barrier"
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2014 Fujitsu, 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"
+
+status=0 # success is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+PAIRING_OPTIONS="autodefrag noautodefrag discard nodiscard enospc_debug noenospc_debug flushoncommit noflushoncommit noacl acl nobarrier barrier nodatacow datacow nodatasum datasum notreelog treelog space_cache nospace_cache ssd nossd"
+
+# options that does not show in mount options
+HIDDEN_OPTIONS="noautodefrag nodiscard noenospc_debug noflushoncommit acl barrier datacow datasum treelog nossd"
+_cleanup()
+{
+ rm $tmp.running &> /dev/null
+ wait
+ cd /
+ _scratch_unmount &> /dev/null
+}
+
+# check the mount option
+check_mount_opt()
+{
+ mount_point=$1
+ expected_opt=$2
+
+ mount_opt=`cat /proc/mounts | grep $mount_point | cut -d\ -f4`
+ if grep $2 $mount_opt; then
+ _fail "test failed: expected $expected_opt option not shown in mount options"
+ fi
+}
+
+# background noise
+start_bgnoise()
+{
+ touch $tmp.running
+ while [ -f "$tmp.running" ]; do
+ run_check $FSSTRESS_PROG -d $SCRATCH_MNT -n 500 -p 4
+ if [ $? != 0 ]; then
+ _fail "Some error happened executing fsstress when remounting"
+ fi
+ done &
+ noise_pid=`jobs -p %1`
+ echo $noise_pid > $tmp.running
+}
+
+stop_bgnoise()
+{
+ pid=`cat $tmp.running`
+ rm $tmp.running
+ wait $pid
+}
+
+# get standard environment, filters
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+
+_need_to_be_root
+_require_scratch
+
+# no need to use the original mount options
+unset MOUNT_OPTIONS
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount
+
+start_bgnoise
+for remount_opt in $PAIRING_OPTIONS; do
+ # Sleep for a while ensuring fsstress to do enough stress
+ sleep 1
+ _remount $SCRATCH_MNT $remount_opt
+ if [ $? != 0 ]; then
+ stop_bgnoise
+ _fail "test failed: $remount_opt not supported"
+ fi
+ if [[ ! $HIDDEN_OPTIONS =~ $remount ]]; then
+ check_mount_opt $SCRATCH_MNT $remount_opt
+
+ # Special check for nodatacow
+ if [ $remount_opt == "nodatacow" ]; then
+ check_mount_opt $SCRATCH_MNT nodatasum
+ fi
+ fi
+done
+stop_bgnoise
+_scratch_unmount || _fail "umount failed"
+echo "Silence is golden"
+status=0; exit
diff --git a/tests/btrfs/025.out b/tests/btrfs/025.out
new file mode 100644
index 0000000..3d70951
--- /dev/null
+++ b/tests/btrfs/025.out
@@ -0,0 +1,2 @@
+QA output created by 025
+Silence is golden
diff --git a/tests/btrfs/group b/tests/btrfs/group
index 87e7bca..1a4dad8 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -27,3 +27,4 @@
022 auto
023 auto
024 auto quick
+025 auto quick
--
1.8.5.2
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