2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Oracle. All Rights Reserved.
7 # Test detection & fixing of bad summary block counts at mount time.
8 # Corrupt the AGFs to test mount failure when mount-fixing fails.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap '_cleanup; exit $status' 0 1 2 3 15
25 # get standard environment, filters and checks
29 # remove previous $seqres.full before test
32 # real QA test starts here
34 # Modify as appropriate.
36 _require_scratch_nocheck
38 echo "Format and mount"
39 _scratch_mkfs > $seqres.full 2>&1
40 _scratch_mount >> $seqres.full 2>&1
41 echo "test file" > $SCRATCH_MNT/testfile
43 echo "Fuzz fdblocks and btreeblks"
45 dblocks=$(_scratch_xfs_get_metadata_field dblocks 'sb 0')
46 _scratch_xfs_set_metadata_field fdblocks $((dblocks * 2)) 'sb 0' > $seqres.full 2>&1
48 aglen=$(_scratch_xfs_get_metadata_field length 'agf 0')
49 _scratch_xfs_set_metadata_field btreeblks $aglen 'agf 0' > $seqres.full 2>&1
51 echo "Detection and Correction"
52 if _try_scratch_mount >> $seqres.full 2>&1; then
53 echo "mount should have failed"
54 avail=$(stat -c '%a' -f $SCRATCH_MNT)
55 total=$(stat -c '%b' -f $SCRATCH_MNT)
56 echo "avail: $avail" >> $seqres.full
57 echo "total: $total" >> $seqres.full
58 test "$avail" -gt "$total" && echo "free space bad: $avail > $total"
61 _scratch_xfs_repair -n >> $seqres.full 2>&1 && echo "repair didn't find fuzz?"