This case tests truncate/collapse range race. If the race occurs, it will trigger BUG_ON. Signed-off-by: Xing Gu <gux.fnst@xxxxxxxxxxxxxx> --- tests/generic/039 | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/039.out | 1 + tests/generic/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/generic/039 create mode 100644 tests/generic/039.out diff --git a/tests/generic/039 b/tests/generic/039 new file mode 100755 index 0000000..a09df43 --- /dev/null +++ b/tests/generic/039 @@ -0,0 +1,75 @@ +#! /bin/bash +# FS QA Test No. 039 +# +# Test truncate/collapse range race. +# +#----------------------------------------------------------------------- +# 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_os Linux +_supported_fs generic +_require_scratch +_require_xfs_io_command "fcollapse" + +rm -f $seqres.full +_scratch_mkfs >>$seqres.full 2>&1 +_scratch_mount + +old_bug=`dmesg | grep -c "kernel BUG"` + +testfile=$SCRATCH_MNT/file.$seq +# fcollapse/truncate continuously and simultaneously a same file +for ((i=1; i <= 100; i++)); do + for ((i=1; i <= 1000; i++)); do + $XFS_IO_PROG -f -c 'truncate 100k' $testfile 2>> $seqres.full + $XFS_IO_PROG -f -c 'fcollapse 0 16k' $testfile 2>> $seqres.full + done & + for ((i=1; i <= 1000; i++)); do + $XFS_IO_PROG -f -c 'truncate 0' $testfile 2>> $seqres.full + done & +done + +wait + +new_bug=`dmesg | grep -c "kernel BUG"` +if [ $new_bug -ne $old_bug ]; then + _fail "kernel bug detected, check dmesg for more infomation." +fi + +status=0 +exit diff --git a/tests/generic/039.out b/tests/generic/039.out new file mode 100644 index 0000000..0cacac7 --- /dev/null +++ b/tests/generic/039.out @@ -0,0 +1 @@ +QA output created by 039 diff --git a/tests/generic/group b/tests/generic/group index 1e89848..5a3d13a 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -41,6 +41,7 @@ 036 auto aio rw stress 037 metadata auto quick 038 auto stress +039 auto metadata rw 053 acl repair auto quick 062 attr udf auto quick 068 other auto freeze dangerous stress -- 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