2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
7 # Cross-link rtrmapbt block into a file and see if repair fixes it.
10 seqres="$RESULT_DIR/$seq"
11 echo "QA output created by $seq"
15 status=1 # failure is the default!
16 trap "_cleanup; exit \$status" 0 1 2 3 15
24 # get standard environment, filters and checks
28 # real QA test starts here
31 _require_xfs_scratch_rmapbt
32 _require_test_program "punch-alternating"
36 echo "Format and mount"
37 _scratch_mkfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
39 cat $tmp.mkfs > "$seqres.full" 2>&1
41 blksz="$(_get_block_size $SCRATCH_MNT)"
43 # inode core size is at least 176 bytes; btree header is 56 bytes;
44 # rtrmap record is 32 bytes; and rtrmap key/pointer are 56 bytes.
45 i_ptrs=$(( (isize - 176) / 56 ))
46 bt_recs=$(( (blksz - 56) / 32 ))
48 blocks=$((i_ptrs * bt_recs + 1))
49 len=$((blocks * rtextsz))
51 echo "Create some files"
52 $XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
53 $XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
54 $here/src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
55 $here/src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
56 echo garbage > $SCRATCH_MNT/f3
57 ino=$(stat -c '%i' $SCRATCH_MNT/f3)
61 _scratch_xfs_db -c 'sb 0' -c 'addr rrmapino' -c 'p u3.rtrmapbt.ptrs[1]' >> $seqres.full
63 fsbno=$(_scratch_xfs_db -c 'sb 0' -c 'addr rrmapino' \
64 -c 'p u3.rtrmapbt.ptrs[1]' | sed -e 's/^.*://g')
65 _scratch_xfs_db -x -c "inode $ino" -c "write u3.bmx[0].startblock $fsbno" >> $seqres.full
68 od -tx1 -Ad -c $SCRATCH_MNT/f3 >> $seqres.full
70 echo "Try to create more files"
71 $XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f5 >> $seqres.full 2>&1
72 test ! -e $SCRATCH_MNT/f5 && echo "should have been able to write f5"
75 _scratch_unmount 2>&1 | _filter_scratch
76 _repair_scratch_fs >> $seqres.full 2>&1
78 echo "Try to create more files (again)"
80 $XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full