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https://github.com/linux-apfs/apfstests.git
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Richard Wareing
21e7398203
Fixes direct invocations of xfs_repair to add in -r option if required. Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Richard Wareing <rwareing@fb.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
115 lines
3.4 KiB
Bash
Executable File
115 lines
3.4 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 070
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#
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# As part of superblock verification, xfs_repair checks the primary sb and
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# verifies all secondary sb's against the primary. In the event of geometry
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# inconsistency, repair uses a heuristic that tracks the most frequently
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# occurring settings across the set of N (agcount) superblocks.
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#
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# xfs_repair was subject to a bug that disregards this heuristic in the event
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# that the last secondary superblock in the fs is corrupt. The side effect is an
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# unnecessary and potentially time consuming brute force superblock scan.
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#
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# This is a regression test for the aforementioned xfs_repair bug. We
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# intentionally corrupt the last superblock in the fs, run xfs_repair and
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# verify it repairs the fs correctly. We explicitly detect a brute force scan
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# and abort the repair to save time in the failure case.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015 Red Hat, 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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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 $tmp.*
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$KILLALL_PROG -9 $XFS_REPAIR_PROG > /dev/null 2>&1
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wait > /dev/null 2>&1
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}
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# Start and monitor an xfs_repair of the scratch device. This test can induce a
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# time consuming brute force superblock scan. Since a brute force scan means
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# test failure, detect it and end the repair.
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_xfs_repair_noscan()
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{
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# invoke repair directly so we can kill the process if need be
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[ "$USE_EXTERNAL" = yes ] && [ -n "$SCRATCH_RTDEV" ] && \
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rt_repair_opts="-r $SCRATCH_RTDEV"
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$XFS_REPAIR_PROG $rt_repair_opts $SCRATCH_DEV 2>&1 |
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tee -a $seqres.full > $tmp.repair &
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repair_pid=$!
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# monitor progress for as long as it is running
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while [ `pgrep xfs_repair` ]; do
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grep "couldn't verify primary superblock" $tmp.repair \
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> /dev/null 2>&1
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if [ $? == 0 ]; then
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# we've started a brute force scan. kill repair and
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# fail the test
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kill -9 $repair_pid >> $seqres.full 2>&1
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wait >> $seqres.full 2>&1
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_fail "xfs_repair resorted to brute force scan"
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fi
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sleep 1
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done
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wait
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cat $tmp.repair | _filter_repair
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}
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rm -f $seqres.full
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/repair
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs xfs
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_supported_os Linux
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_require_scratch_nocheck
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_require_command "$KILLALL_PROG" killall
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_scratch_mkfs | _filter_mkfs > /dev/null 2> $tmp.mkfs || _fail "mkfs failed"
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. $tmp.mkfs # import agcount
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# corrupt the last secondary sb in the fs
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_scratch_xfs_db -x -c "sb $((agcount - 1))" -c "type data" \
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-c "write fill 0xff 0 512"
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# attempt to repair
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_xfs_repair_noscan
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# success, all done
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status=0
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exit
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