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Mark Fasheh
c9be5caa3c
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@suse.de> Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
69 lines
1.9 KiB
Bash
Executable File
69 lines
1.9 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. btrfs/121
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#
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# Test that an invalid parent qgroup does not cause snapshot create to
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# force the FS readonly.
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#
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# This issue is fixed by the following btrfs patch:
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# [PATCH] btrfs: handle non-fatal errors in btrfs_qgroup_inherit()
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# http://thread.gmane.org/gmane.comp.file-systems.btrfs/54755
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#
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#-----------------------------------------------------------------------
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# Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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rm -f $seqres.full
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_scratch_mkfs
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_scratch_mount
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_run_btrfs_util_prog quota enable $SCRATCH_MNT
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# The qgroup '1/10' does not exist and should be silently ignored
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_run_btrfs_util_prog subvolume snapshot -i 1/10 $SCRATCH_MNT $SCRATCH_MNT/snap1
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echo "Silence is golden"
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status=0
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exit
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