On Thu, Apr 7, 2016 at 12:22 AM, Mark Fasheh <mfasheh@xxxxxxx> wrote: > On Wed, Apr 06, 2016 at 10:40:02PM +0100, Filipe Manana wrote: >> On Wed, Apr 6, 2016 at 10:30 PM, Mark Fasheh <mfasheh@xxxxxxx> wrote: >> > Test that an invalid parent qgroup does not cause snapshot create to >> > force the FS readonly. >> > >> > In btrfs, create_pending_snapshot() will go readonly on _any_ error return from >> > btrfs_qgroup_inherit(). If qgroups are enabled, a user can crash their fs by >> > just making a snapshot and asking it to inherit from an invalid qgroup. >> > >> > This patch does exactly that test. If the FS goes readonly that will be >> > reported and we will know that a regression was introduced. >> > >> > The btrfs fix this patch relates to can be found at the following url: >> > http://thread.gmane.org/gmane.comp.file-systems.btrfs/54755 >> > >> > Thanks, >> > --Mark >> > >> > Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx> >> >> Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx> >> >> Looks good, just a few minor notes below. > > Thanks for the review Filipe. How's this look? Looks great. Thanks Mark. > --Mark > > -- > Mark Fasheh > > > From: Mark Fasheh <mfasheh@xxxxxxx> > > [PATCH] btrfs: test snapshot create with invalid parent qgroup > > Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx> > Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx> > --- > tests/btrfs/121 | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/121.out | 2 ++ > tests/btrfs/group | 1 + > 3 files changed, 71 insertions(+) > create mode 100755 tests/btrfs/121 > create mode 100644 tests/btrfs/121.out > > diff --git a/tests/btrfs/121 b/tests/btrfs/121 > new file mode 100755 > index 0000000..011c5a8 > --- /dev/null > +++ b/tests/btrfs/121 > @@ -0,0 +1,68 @@ > +#! /bin/bash > +# FS QA Test No. btrfs/121 > +# > +# Test that an invalid parent qgroup does not cause snapshot create to > +# force the FS readonly. > +# > +# This issue is fixed by the following btrfs patch: > +# [PATCH] btrfs: handle non-fatal errors in btrfs_qgroup_inherit() > +# http://thread.gmane.org/gmane.comp.file-systems.btrfs/54755 > +# > +#----------------------------------------------------------------------- > +# Copyright (C) 2016 SUSE Linux Products GmbH. 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 > + > +# remove previous $seqres.full before test > +rm -f $seqres.full > + > +# real QA test starts here > +_supported_fs btrfs > +_supported_os Linux > +_require_scratch > + > +rm -f $seqres.full > + > +_scratch_mkfs > +_scratch_mount > +_run_btrfs_util_prog quota enable $SCRATCH_MNT > +# The qgroup '1/10' does not exist and should be silently ignored > +_run_btrfs_util_prog subvolume snapshot -i 1/10 $SCRATCH_MNT $SCRATCH_MNT/snap1 > + > +echo "Silence is golden" > + > +status=0 > +exit > diff --git a/tests/btrfs/121.out b/tests/btrfs/121.out > new file mode 100644 > index 0000000..b71250d > --- /dev/null > +++ b/tests/btrfs/121.out > @@ -0,0 +1,2 @@ > +QA output created by 121 > +Silence is golden > diff --git a/tests/btrfs/group b/tests/btrfs/group > index 13aa1e5..ef6c260 100644 > --- a/tests/btrfs/group > +++ b/tests/btrfs/group > @@ -121,3 +121,4 @@ > 118 auto quick snapshot metadata > 119 auto quick snapshot metadata qgroup > 120 auto quick snapshot metadata > +121 auto quick snapshot qgroup > -- > 2.1.4 > -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." -- 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
