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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test No. 766
#
# Populate a XFS filesystem and fuzz every data-format dir block field.
# Try online repair and, if necessary, offline repair,
# to test the most likely usage pattern.
. ./common/preamble
_begin_fstest dangerous_fuzzers dangerous_bothrepair
_register_cleanup "_cleanup" BUS
# Import common functions.
. ./common/filter
. ./common/populate
. ./common/fuzzy
# real QA test starts here
_supported_fs xfs
_require_scratch_xfs_fuzz_fields
_disable_dmesg_check
echo "Format and populate"
_scratch_populate_cached nofill > $seqres.full 2>&1
echo "Find data-format dir block"
_scratch_mount
inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_LEAF)
blk_sz=$(_get_block_size $SCRATCH_MNT)
_scratch_unmount
echo "Fuzz data-format dir block"
_scratch_xfs_fuzz_metadata '' 'both' "inode ${inum}" "dblock 0" >> $seqres.full
echo "Done fuzzing data-format dir block"
# success, all done
status=0
exit
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