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#! /bin/sh
# XFS QA Test No. 031
# $Id: 1.1 $
#
# exercise xfs_repair - ensure repeated use doesn't corrupt
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
# 
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA  94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
rm -f $seq.full

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

_check_repair()
{
	xfs_repair $SCRATCH_DEV >$tmp.0 2>&1
	for i in 1 2 3 4
	do
		echo "Repairing, iteration $i" | tee -a $seq.full
		xfs_repair $SCRATCH_DEV 2>&1 | tee -a $seq.full >$tmp.$i
		diff $tmp.0 $tmp.$i >> $seq.full
		if [ $? -ne 0 ]; then
			echo "ERROR: repair round $i differs (see $seq.full)"
			break
		fi
		# echo all interesting stuff...
		perl -ne '
			s/(rebuilding directory inode) (\d+)/\1 INO/g;
			/^\S+/ && print;
		' $tmp.$i
	done
	echo
}

# prototype file to create various directory forms
_create_proto()
{
	total=$1
	count=0

	cat >$tmp.proto <<EOF
DUMMY1
0 0
: root directory
d--777 3 1
lost+found d--755 3 1
$
EOF

	while [ $count -lt $total ]
	do
		count=`expr $count + 1`
		cat >>$tmp.proto <<EOF
${count}_of_${total}_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ---755 3 1 /bin/true
EOF
	done
	echo '$' >>$tmp.proto
}

# real QA test starts here
# 
_require_scratch

MKFSV1="-p $tmp.proto -n version=1 $SCRATCH_DEV"
MKFSV2="-p $tmp.proto -n version=2 $SCRATCH_DEV"

# sanity test - default + one root directory entry
_create_proto 0
echo "=== version 1, one entry"
mkfs_xfs $MKFSV1 | _filter_mkfs >/dev/null 2>&1
_check_repair
echo "=== version 2, one entry (shortform)"
mkfs_xfs $MKFSV2 | _filter_mkfs >/dev/null 2>&1
_check_repair

# block-form root directory & repeat
_create_proto 20
echo "=== version 1, twenty entries"
mkfs_xfs $MKFSV1 | _filter_mkfs >/dev/null 2>&1
_check_repair
echo "=== version 2, twenty entries (block form)"
mkfs_xfs $MKFSV2 | _filter_mkfs >/dev/null 2>&1
_check_repair

# leaf-form root directory & repeat
_create_proto 1000
echo "=== version 1, thousand entries"
mkfs_xfs $MKFSV1 | _filter_mkfs >/dev/null 2>&1
_check_repair
echo "=== version 2, thousand entries (leaf form)"
mkfs_xfs $MKFSV2 | _filter_mkfs >/dev/null 2>&1
_check_repair

# success, all done
status=0
exit