Regression test for a btrfs issue of resizing 'thread_pool' when remount the fs. Signed-off-by: Xing Gu <gux.fnst@xxxxxxxxxxxxxx> --- tests/btrfs/017 | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/017.out | 1 + tests/btrfs/group | 1 + 3 files changed, 66 insertions(+) create mode 100755 tests/btrfs/017 create mode 100644 tests/btrfs/017.out diff --git a/tests/btrfs/017 b/tests/btrfs/017 new file mode 100755 index 0000000..81f5af6 --- /dev/null +++ b/tests/btrfs/017 @@ -0,0 +1,64 @@ +#!/bin/bash +# FS QA Test No. btrfs/017 +# +# Regression test for a btrfs issue of resizing 'thread_pool' when +# remount the fs. +# This was fixed in the following linux kernel patch: +# 800ee22 btrfs: fix crash in remount(thread_pool=) case +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 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 > /dev/null + +dmesg -c > /dev/null +nr_null=`dmesg | grep -c "kernel NULL pointer dereference"` +_scratch_mount "-o thread_pool=6" +_scratch_mount "-o remount,thread_pool=10" +new_null=`dmesg | grep -c "kernel NULL pointer dereference"` +if [ $new_null -ne $nr_null ]; then + _fatal "kernel bug detected, check dmesg for more infomation." +fi + +status=0 +exit diff --git a/tests/btrfs/017.out b/tests/btrfs/017.out new file mode 100644 index 0000000..90c4b69 --- /dev/null +++ b/tests/btrfs/017.out @@ -0,0 +1 @@ +QA output created by 017 diff --git a/tests/btrfs/group b/tests/btrfs/group index abb2fe4..cd553a3 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -19,6 +19,7 @@ 014 auto balance 015 auto quick snapshot 016 auto quick send +017 auto quick 018 auto quick subvol 019 auto quick send 020 auto quick replace -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html