Regression test for a btrfs issue of resizing 'thread_pool' when
remount the fs.
This regression was introduced by the following linux kernel commit:
btrfs: Added btrfs_workqueue_struct implemented ordered
execution based on kernel workqueue
08a9ff3264181986d1d692a4e6fce3669700c9f8
And it was fixed by the following linux kernel commit:
btrfs: fix crash in remount(thread_pool=) case
800ee2247f483b6d05ed47ef3bbc90b56451746c
Signed-off-by: Xing Gu <[email protected]>
---
v5->v6: Add a filter to wipe "Performing full device TRIM" and
"Turning ON incompat feature" in common/filter:_filter_mkfs.
v4->v5: Redirect stderr to /dev/null.
v3->v4: Remove the check for a bug message.
v2->v3: Add the regresssion commit in description.
Remove "dmesg -c > /dev/null".
Echo "Silence is golden" to indicate that an empty output
file is expected.
v1->v2: Add the fix commit in description.
Add the check for a bug message.
---
common/filter | 4 ++++
tests/btrfs/082 | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/082.out | 2 ++
tests/btrfs/group | 1 +
4 files changed, 72 insertions(+)
create mode 100755 tests/btrfs/082
create mode 100644 tests/btrfs/082.out
diff --git a/common/filter b/common/filter
index 05dbae6..71ef2e2 100644
--- a/common/filter
+++ b/common/filter
@@ -137,6 +137,10 @@ _filter_mkfs()
case $FSTYP in
xfs)
;;
+ btrfs)
+ sed -e "/Performing full device TRIM/d" \
+ -e "/Turning ON incompat feature/d"
+ return ;;
*)
cat - >/dev/null
perl -e 'print STDERR "dbsize=4096\nisize=256\n"'
diff --git a/tests/btrfs/082 b/tests/btrfs/082
new file mode 100755
index 0000000..dd3c87e
--- /dev/null
+++ b/tests/btrfs/082
@@ -0,0 +1,65 @@
+#!/bin/bash
+# FS QA Test No. btrfs/082
+#
+# Regression test for a btrfs issue of resizing 'thread_pool' when
+# remount the fs.
+#
+# This regression was introduced by the following linux kernel commit:
+# btrfs: Added btrfs_workqueue_struct implemented ordered
+# execution based on kernel workqueue
+# 08a9ff3264181986d1d692a4e6fce3669700c9f8
+# And it was fixed by the following linux kernel commit:
+# btrfs: fix crash in remount(thread_pool=) case
+# 800ee2247f483b6d05ed47ef3bbc90b56451746c
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Fujitsu. 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!
+
+_cleanup()
+{
+ rm -f $tmp.*
+}
+
+trap "_cleanup ; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+
+_scratch_mkfs |& _filter_mkfs
+
+_scratch_mount "-o thread_pool=6"
+_scratch_mount "-o remount,thread_pool=10"
+
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/btrfs/082.out b/tests/btrfs/082.out
new file mode 100644
index 0000000..2977f14
--- /dev/null
+++ b/tests/btrfs/082.out
@@ -0,0 +1,2 @@
+QA output created by 082
+Silence is golden
diff --git a/tests/btrfs/group b/tests/btrfs/group
index e29999b..fd2fa76 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -84,3 +84,4 @@
079 auto rw metadata
080 auto snapshot
081 auto quick clone
+082 auto quick remount
--
1.9.3
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