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btrfs: test if receive with qgroups corrupts metadata
This test case does some concurrent send/receives with qgroups enabled. Currently (4.14-rc7) this usually results in btrfs check errors, and often also results in a WARN_ON in record_root_in_trans(). Bisecting points to 6426c7ad697d (btrfs: qgroup: Fix qgroup accounting when creating snapshot) as the culprit. Signed-off-by: Justin Maggard <jmaggard@netgear.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Justin Maggard
committed by
Eryu Guan
Eryu Guan
parent
5f49f15cf4
commit
93dcb9861e
Executable
+102
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#! /bin/bash
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# FS QA Test No. btrfs/152
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#
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# Test that incremental send/receive operations don't corrupt metadata when
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# qgroups are enabled.
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#
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#-----------------------------------------------------------------------
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#
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# Copyright (c) 2017 NETGEAR, Inc. 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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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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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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# 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 $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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# Enable quotas
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$BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
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# Create 2 source and 4 destination subvolumes
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for subvol in subvol1 subvol2 recv1_1 recv1_2 recv2_1 recv2_2; do
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$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/$subvol | _filter_scratch
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done
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mkdir $SCRATCH_MNT/subvol{1,2}/.snapshots
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touch $SCRATCH_MNT/subvol{1,2}/foo
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# Create base snapshots and send them
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/subvol1 \
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$SCRATCH_MNT/subvol1/.snapshots/1 | _filter_scratch
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/subvol2 \
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$SCRATCH_MNT/subvol2/.snapshots/1 | _filter_scratch
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for recv in recv1_1 recv1_2 recv2_1 recv2_2; do
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$BTRFS_UTIL_PROG send $SCRATCH_MNT/subvol1/.snapshots/1 2> /dev/null | \
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT/${recv} | _filter_scratch
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done
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# Now do 10 loops of concurrent incremental send/receives
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for i in `seq 1 10`; do
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prev=$i
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curr=$((i+1))
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/subvol1 \
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$SCRATCH_MNT/subvol1/.snapshots/${curr} > /dev/null
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($BTRFS_UTIL_PROG send -p $SCRATCH_MNT/subvol1/.snapshots/${prev} \
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$SCRATCH_MNT/subvol1/.snapshots/${curr} 2> /dev/null | \
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT/recv1_1) > /dev/null &
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($BTRFS_UTIL_PROG send -p $SCRATCH_MNT/subvol1/.snapshots/${prev} \
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$SCRATCH_MNT/subvol1/.snapshots/${curr} 2> /dev/null | \
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT/recv1_2) > /dev/null &
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/subvol2 \
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$SCRATCH_MNT/subvol2/.snapshots/${curr} > /dev/null
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($BTRFS_UTIL_PROG send -p $SCRATCH_MNT/subvol2/.snapshots/${prev} \
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$SCRATCH_MNT/subvol2/.snapshots/${curr} 2> /dev/null | \
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT/recv2_1) > /dev/null &
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($BTRFS_UTIL_PROG send -p $SCRATCH_MNT/subvol2/.snapshots/${prev} \
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$SCRATCH_MNT/subvol2/.snapshots/${curr} 2> /dev/null | \
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT/recv2_2) > /dev/null &
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wait
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done
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_scratch_unmount
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status=0
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exit
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@@ -0,0 +1,13 @@
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QA output created by 152
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Create subvolume 'SCRATCH_MNT/subvol1'
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Create subvolume 'SCRATCH_MNT/subvol2'
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Create subvolume 'SCRATCH_MNT/recv1_1'
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Create subvolume 'SCRATCH_MNT/recv1_2'
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Create subvolume 'SCRATCH_MNT/recv2_1'
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Create subvolume 'SCRATCH_MNT/recv2_2'
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Create a readonly snapshot of 'SCRATCH_MNT/subvol1' in 'SCRATCH_MNT/subvol1/.snapshots/1'
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Create a readonly snapshot of 'SCRATCH_MNT/subvol2' in 'SCRATCH_MNT/subvol2/.snapshots/1'
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At subvol 1
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At subvol 1
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At subvol 1
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At subvol 1
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@@ -154,3 +154,4 @@
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149 auto quick send compress
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150 auto quick dangerous
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151 auto quick
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152 auto quick metadata qgroup send
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