tests/xfs/033

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 033
#
# exercise xfs_repair repairing broken filesystems (root inodes)
#
seqfull=$0
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
    cd /
    _scratch_unmount 2>/dev/null
    rm -f $tmp.*
}

trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/repair
. ./common/quota

# nuke the root, rt bitmap, and rt summary inodes
# 
_check_root_inos()
{
	echo "Corrupting root inode - setting bits to $1"
	_check_repair $1 "inode $rootino"
	echo "Corrupting rt bitmap inode - setting bits to $1"
	_check_repair $1 "inode $rbmino"
	echo "Corrupting rt summary inode - setting bits to $1"
	_check_repair $1 "inode $rsumino"
}

#
# pv#909621
# IRIX checks for valid user and group ids as we have a 
# limit of MAXID
# As it is unsigned on Linux, this test is not done
# (i.e. -1 is a valid id on Linux but not on IRIX)
# So we make the output the same for both OS's.
#
_filter_bad_ids()
{
	egrep -v 'bad user id 0xffffffff|bad group id 0xffffffff'
}

# real QA test starts here
_supported_fs xfs

_require_scratch
_require_no_large_scratch_dev

# devzero blows away 512byte blocks, so make 512byte inodes (at least)
_scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
. $tmp.mkfs
if [ $isize -lt 512 ]; then
	_scratch_mkfs_xfs -isize=512 | _filter_mkfs 2>$tmp.mkfs >/dev/null
	. $tmp.mkfs
fi

# link correct .out file
FEATURES=
if [ $_fs_has_crcs -eq 1 ]; then
	FEATURES=crc
fi
_link_out_file_named $seqfull.out "$FEATURES"

`_scratch_xfs_db -r -c sb -c p | grep 'ino = ' | \
	sed -e 's/ //g' -e 's/^/export /'`

# check we won't get any quota inodes setup on mount
_qmount_option noquota
_scratch_mount
$here/src/feature -U $SCRATCH_DEV && \
	_notrun "UQuota are enabled, test needs controlled sb recovery"
$here/src/feature -G $SCRATCH_DEV && \
	_notrun "GQuota are enabled, test needs controlled sb recovery"
$here/src/feature -P $SCRATCH_DEV && \
	_notrun "PQuota are enabled, test needs controlled sb recovery"
_scratch_unmount

# We fixed some bugs in xfs_repair that caused us to have to reset the inode
# link counts on the root inode twice.  That wasn't related to what this test
# is checking, so remove the nlink reset line from the golden output and filter
# old xfsprogs to avoid introducing new regressions.
filter_repair() {
	sed -e '/resetting inode INO nlinks from 1 to 2/d'
}

# rootino, rbmino, and rsumino are now set (lets blow em away!)
_check_root_inos 0 | filter_repair
_check_root_inos -1 | filter_repair | _filter_bad_ids

# success, all done
status=0
exit