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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 178
#
# Reproduce PV#:967665
# Test if mkfs.xfs wipes old AG headers when using -f option
#
. ./common/preamble
_begin_fstest mkfs other auto
filter_repair() {
_filter_repair | sed \
-e '/unable to verify superblock, continuing/d' \
-e '/found candidate secondary superblock/d' \
-e '/error reading superblock.*-- seek to offset/d'
}
# dd the 1st sector then repair
_dd_repair_check()
{
#dd first sector
dd if=/dev/zero of=$1 bs=$2 count=1 2>&1 | _filter_dd
#xfs_repair
_scratch_xfs_repair 2>&1 | filter_repair
#check repair
if _check_scratch_fs; then
echo "repair passed"
else
echo "repair failed!"
fi
}
# Import common functions.
. ./common/filter
. ./common/repair
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
# From the PV
# o Summary of testing:
# 1. mkfs.xfs a default filesystem, note agcount value.
# 2. dd zero first sector and repair and verify.
# 3. mkfs.xfs overriding agcount to a smaller value
# (ie. each AG is bigger)
# 4. dd zero first sector, repair and verify.
# -> old mkfs.xfs will cause repair to incorrectly
# fix filesystem, new mkfs.xfs will be fine.
_require_scratch
_scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs
test "${PIPESTATUS[0]}" -eq 0 || _fail "mkfs failed!"
# By executing the followint tmp file, will get on the mkfs options stored in
# variables
. $tmp.mkfs
# if the default agcount is too small, bump it up and re-mkfs before testing
if [ $agcount -lt 8 ]; then
agcount=8
_scratch_mkfs_xfs -dagcount=$agcount >/dev/null 2>&1 \
|| _notrun "Test requires at least 8 AGs."
fi
_dd_repair_check $SCRATCH_DEV $sectsz
# smaller AGCOUNT
let "agcount=$agcount-2"
_scratch_mkfs_xfs -dagcount=$agcount >/dev/null 2>&1 \
|| _fail "mkfs failed!"
_dd_repair_check $SCRATCH_DEV $sectsz
# success, all done
status=0
exit
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