4 # Populate a XFS filesystem and fuzz every freeindex-format dir block field.
5 # Use xfs_repair to fix the corruption.
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2017 Oracle, Inc. All Rights Reserved.
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation.
14 # This program is distributed in the hope that it would be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write the Free Software Foundation,
21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1303 USA
22 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 7 15
40 # get standard environment, filters and checks
46 # real QA test starts here
49 _require_scratch_xfs_fuzz_fields
51 echo "Format and populate"
52 _scratch_populate_cached nofill > $seqres.full 2>&1
54 echo "Find freeindex-format dir block"
56 inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_NODE)
57 blk_sz=$(_get_block_size $SCRATCH_MNT)
60 leaf_offset=$(( (2 ** 36) / blk_sz ))
61 echo "Fuzz freeindex-format dir block"
62 _scratch_xfs_fuzz_metadata '' 'offline' "inode ${inum}" "dblock ${leaf_offset}" >> $seqres.full
63 echo "Done fuzzing freeindex-format dir block"