mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Eryu Guan
c61fa13e94
Tests were merged with high seq numbers to avoid conflicts with other tests. Now renumber them to contiguous numbers, as all other tests have been merged correctly. This is easier to do than assigning the final seq numbers at commit time. Signed-off-by: Eryu Guan <eguan@redhat.com>
99 lines
3.0 KiB
Bash
Executable File
99 lines
3.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 341
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#
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# Cross-link file block into rtrmapbt and see if repair fixes it.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016, Oracle and/or its affiliates. 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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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 -rf "$tmp".*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_realtime
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_require_xfs_scratch_rmapbt
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_require_test_program "punch-alternating"
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_disable_dmesg_check
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rm -f "$seqres.full"
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echo "Format and mount"
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_scratch_mkfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
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. $tmp.mkfs
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cat $tmp.mkfs > "$seqres.full" 2>&1
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_scratch_mount
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blksz="$(get_block_size $SCRATCH_MNT)"
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# inode core size is at least 176 bytes; btree header is 56 bytes;
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# rtrmap record is 32 bytes; and rtrmap key/pointer are 56 bytes.
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i_ptrs=$(( (isize - 176) / 56 ))
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bt_recs=$(( (blksz - 56) / 32 ))
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blocks=$((i_ptrs * bt_recs + 1))
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len=$((blocks * rtextsz))
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echo "Create some files"
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$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
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$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
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./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
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./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
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echo garbage > $SCRATCH_MNT/f3
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ino=$(stat -c '%i' $SCRATCH_MNT/f3)
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_scratch_unmount
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echo "Corrupt fs"
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fsbno=$(_scratch_xfs_db -c "inode $ino" -c 'bmap' | \
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sed -e 's/^.*startblock \([0-9]*\) .*$/\1/g')
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_scratch_xfs_db -x -c 'sb 0' -c 'addr rrmapino' \
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-c "write u3.rtrmapbt.ptrs[1] $fsbno" -c 'p' >> $seqres.full
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_scratch_mount
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echo "Try to create more files"
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$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f5 >> $seqres.full 2>&1
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test -e $SCRATCH_MNT/f5 && echo "should not have been able to write f5"
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echo "Repair fs"
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_scratch_unmount 2>&1 | _filter_scratch
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_repair_scratch_fs >> $seqres.full 2>&1
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echo "Try to create more files (again)"
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_scratch_mount
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$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
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# success, all done
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status=0
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exit
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