The test aims to trigger snapshot-aware defrag path in write endio by running balance, which is not expected and leads to a crash. Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> --- v2: remove useless words as required. tests/btrfs/021 | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/021.out | 2 + tests/btrfs/group | 1 + 3 files changed, 93 insertions(+), 0 deletions(-) create mode 100755 tests/btrfs/021 create mode 100644 tests/btrfs/021.out diff --git a/tests/btrfs/021 b/tests/btrfs/021 new file mode 100755 index 0000000..23eff47 --- /dev/null +++ b/tests/btrfs/021 @@ -0,0 +1,90 @@ +#! /bin/bash +# FS QA Test No. 021 +# +# A regression test of running btrfs balance and defrag concurrently. +# +# The test aims to trigger snapshot-aware defrag path in endio by +# running balance, which is not expected and leads to a crash. +# +#----------------------------------------------------------------------- +# Copyright (c) 2013 Oracle. 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! +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 +run_test() +{ + $BTRFS_UTIL_PROG balance start $SCRATCH_MNT >> $seqres.full & + + sleep 0.5 + + find $SCRATCH_MNT -type f -print0 | xargs -0 $BTRFS_UTIL_PROG filesystem defrag -f + + sync + wait +} + +# Modify as appropriate. +_supported_fs btrfs +_supported_os Linux +_require_scratch + +rm -f $seqres.full + +_scratch_mkfs > /dev/null 2>&1 +_scratch_mount + + +for ((j=0; j<100; j++)) +do + touch $SCRATCH_MNT/padding-$j +done + +for ((j=0; j<50; j++)) +do + for i in `seq 20 -1 1` + do + dd if=/dev/zero of=$SCRATCH_MNT/foo-$j bs=4k count=1 seek=$i oflag=direct conv=notrunc 2>/dev/null; + done +done + +sync + +run_test + +# success, all done +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/021.out b/tests/btrfs/021.out new file mode 100644 index 0000000..09f4062 --- /dev/null +++ b/tests/btrfs/021.out @@ -0,0 +1,2 @@ +QA output created by 021 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index 1159499..410f8ed 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -23,3 +23,4 @@ 018 auto quick 019 auto quick 020 auto quick +021 auto quick -- 1.7.7 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs