mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
8ed5571d59
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
108 lines
3.0 KiB
Bash
Executable File
108 lines
3.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 235
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#
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# Create and populate an XFS filesystem, corrupt the rmap btree,
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# then see how the kernel and xfs_repair deal with it.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Oracle, 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 02110-7031 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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}
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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/attr
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_xfs_scratch_rmapbt
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test -n ${FORCE_FUZZ} || _require_scratch_xfs_crc
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rm -f $seqres.full
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echo "+ create scratch fs"
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_scratch_mkfs_xfs > /dev/null
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echo "+ mount fs image"
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_scratch_mount
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blksz=$(stat -f -c '%s' ${SCRATCH_MNT})
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agcount=$(xfs_info ${SCRATCH_MNT} | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g')
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echo "+ make some files"
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_pwrite_byte 0x62 0 $((blksz * 64)) ${SCRATCH_MNT}/file0 >> $seqres.full
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_pwrite_byte 0x61 0 $((blksz * 64)) ${SCRATCH_MNT}/file1 >> $seqres.full
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cp -p ${SCRATCH_MNT}/file0 ${SCRATCH_MNT}/file2
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cp -p ${SCRATCH_MNT}/file1 ${SCRATCH_MNT}/file3
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umount ${SCRATCH_MNT}
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echo "+ check fs"
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_scratch_xfs_repair -n >> $seqres.full 2>&1 || \
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_fail "xfs_repair should not fail"
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echo "+ corrupt image"
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seq 0 $((agcount - 1)) | while read ag; do
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$XFS_DB_PROG -x -c "agf ${ag}" -c "agf ${ag}" -c "addr rmaproot" \
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-c "stack" -c "blocktrash -x 4096 -y 4096 -z -n 8 -3" \
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${SCRATCH_DEV} >> $seqres.full 2>&1
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done
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echo "+ mount image"
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_scratch_mount
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echo "+ copy more"
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$XFS_IO_PROG -f -c "pwrite -S 0x63 0 $((blksz * 64))" -c "fsync" ${SCRATCH_MNT}/file4 >> $seqres.full 2>&1
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test -s ${SCRATCH_MNT}/file4 && _fail "should not be able to copy with busted rmap btree"
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umount ${SCRATCH_MNT}
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echo "+ repair fs"
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_scratch_xfs_repair >> $seqres.full 2>&1
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_scratch_xfs_repair >> $seqres.full 2>&1
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echo "+ mount image (2)"
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_scratch_mount
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echo "+ chattr -R -i"
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$CHATTR_PROG -R -f -i ${SCRATCH_MNT}/
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echo "+ copy more (2)"
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cp -p ${SCRATCH_MNT}/file1 ${SCRATCH_MNT}/file5 || \
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_fail "modified rmap tree"
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umount ${SCRATCH_MNT}
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echo "+ check fs (2)"
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_scratch_xfs_repair -n >> $seqres.full 2>&1 || \
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_fail "xfs_repair should not fail"
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status=0
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exit
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