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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Oracle. All Rights Reserved.
#
# FS QA Test No. 491
#
# Test detection & fixing of bad summary block counts at mount time.
#
. ./common/preamble
_begin_fstest auto quick fuzzers
# Import common functions.
. ./common/filter
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_scratch
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
# pre-lazysbcount filesystems blindly trust the primary sb fdblocks
_require_scratch_xfs_features LAZYSBCOUNT
_scratch_mount >> $seqres.full 2>&1
echo "test file" > $SCRATCH_MNT/testfile
echo "Fuzz fdblocks"
_scratch_unmount
dblocks=$(_scratch_xfs_get_metadata_field dblocks 'sb 0')
_scratch_xfs_set_metadata_field fdblocks $((dblocks * 2)) 'sb 0' > $seqres.full 2>&1
echo "Detection and Correction"
_scratch_mount >> $seqres.full 2>&1
avail=$(stat -c '%a' -f $SCRATCH_MNT)
total=$(stat -c '%b' -f $SCRATCH_MNT)
echo "avail: $avail" >> $seqres.full
echo "total: $total" >> $seqres.full
test "$avail" -gt "$total" && echo "free space bad: $avail > $total"
# success, all done
status=0
exit
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