Message ID | 1381380733-27117-1-git-send-email-eguan@redhat.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
On 10/10/2013 12:52 PM, Eryu Guan wrote: Gui Hecheng has send a patch for this before: [PATCH V2] xfstest: an regression test for btrfs balance https://patchwork.kernel.org/patch/3006261/ Thanks, Wang > Do subvolume create/delete in loop at back ground and do filesystem > balance at the same time could trigger > > kernel BUG at fs/btrfs/relocation.c:2255! > > on 3.12-rc4 kernel. > > Signed-off-by: Eryu Guan <eguan@redhat.com> > --- > tests/btrfs/012 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/012.out | 11 ++++++++ > tests/btrfs/group | 1 + > 3 files changed, 86 insertions(+) > create mode 100755 tests/btrfs/012 > create mode 100644 tests/btrfs/012.out > > diff --git a/tests/btrfs/012 b/tests/btrfs/012 > new file mode 100755 > index 0000000..3f72a9b > --- /dev/null > +++ b/tests/btrfs/012 > @@ -0,0 +1,74 @@ > +#! /bin/bash > +# FS QA Test No. btrfs/012 > +# > +# Test btrfs balance while creating and deleting subvolumes > +# > +# On buggy kernel this could trigger: > +# kernel BUG at fs/btrfs/relocation.c:2255! > +# > +#----------------------------------------------------------------------- > +# Copyright (c) 2013 Red Hat, 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 $seq" > + > +status=1 # failure is the default! > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + cd / > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > + > +# real QA test starts here > +_supported_fs btrfs > +_supported_os Linux > +_require_scratch > +_require_scratch_dev_pool > + > +subvolume=subvol_$seq > +rm -f $seqres.full > + > +subvolume_create_delete() > +{ > + while true; do > + $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/$subvolume >/dev/null > + $BTRFS_UTIL_PROG subvolume delete $SCRATCH_MNT/$subvolume >/dev/null > + done > +} > + > +_scratch_pool_mkfs >> $seqres.full 2>&1 > +_scratch_mount >> $seqres.full 2>&1 > + > +subvolume_create_delete & > + > +for i in `seq 1 10`;do > + $BTRFS_UTIL_PROG filesystem balance start $SCRATCH_MNT >>$seqres.full 2>&1 > + echo "Done balance loop $i" > +done > +kill $! > +wait > + > +# No crash, test passed > +status=0 > +exit > diff --git a/tests/btrfs/012.out b/tests/btrfs/012.out > new file mode 100644 > index 0000000..9604f1b > --- /dev/null > +++ b/tests/btrfs/012.out > @@ -0,0 +1,11 @@ > +QA output created by 012 > +Done balance loop 1 > +Done balance loop 2 > +Done balance loop 3 > +Done balance loop 4 > +Done balance loop 5 > +Done balance loop 6 > +Done balance loop 7 > +Done balance loop 8 > +Done balance loop 9 > +Done balance loop 10 > diff --git a/tests/btrfs/group b/tests/btrfs/group > index d2fe030..c12b9e9 100644 > --- a/tests/btrfs/group > +++ b/tests/btrfs/group > @@ -14,3 +14,4 @@ > 009 auto quick > 010 auto quick > 011 auto > +012 auto quick -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/tests/btrfs/012 b/tests/btrfs/012 new file mode 100755 index 0000000..3f72a9b --- /dev/null +++ b/tests/btrfs/012 @@ -0,0 +1,74 @@ +#! /bin/bash +# FS QA Test No. btrfs/012 +# +# Test btrfs balance while creating and deleting subvolumes +# +# On buggy kernel this could trigger: +# kernel BUG at fs/btrfs/relocation.c:2255! +# +#----------------------------------------------------------------------- +# Copyright (c) 2013 Red Hat, 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 $seq" + +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_scratch_dev_pool + +subvolume=subvol_$seq +rm -f $seqres.full + +subvolume_create_delete() +{ + while true; do + $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/$subvolume >/dev/null + $BTRFS_UTIL_PROG subvolume delete $SCRATCH_MNT/$subvolume >/dev/null + done +} + +_scratch_pool_mkfs >> $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +subvolume_create_delete & + +for i in `seq 1 10`;do + $BTRFS_UTIL_PROG filesystem balance start $SCRATCH_MNT >>$seqres.full 2>&1 + echo "Done balance loop $i" +done +kill $! +wait + +# No crash, test passed +status=0 +exit diff --git a/tests/btrfs/012.out b/tests/btrfs/012.out new file mode 100644 index 0000000..9604f1b --- /dev/null +++ b/tests/btrfs/012.out @@ -0,0 +1,11 @@ +QA output created by 012 +Done balance loop 1 +Done balance loop 2 +Done balance loop 3 +Done balance loop 4 +Done balance loop 5 +Done balance loop 6 +Done balance loop 7 +Done balance loop 8 +Done balance loop 9 +Done balance loop 10 diff --git a/tests/btrfs/group b/tests/btrfs/group index d2fe030..c12b9e9 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -14,3 +14,4 @@ 009 auto quick 010 auto quick 011 auto +012 auto quick
Do subvolume create/delete in loop at back ground and do filesystem balance at the same time could trigger kernel BUG at fs/btrfs/relocation.c:2255! on 3.12-rc4 kernel. Signed-off-by: Eryu Guan <eguan@redhat.com> --- tests/btrfs/012 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/012.out | 11 ++++++++ tests/btrfs/group | 1 + 3 files changed, 86 insertions(+) create mode 100755 tests/btrfs/012 create mode 100644 tests/btrfs/012.out