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Try to simplify log QA with mnt and mkfs options.
Add new test 086 for log replay with v2 logs.
Need to write more tests with varying metadata ops.
new test to replay v2 logs

#! /bin/sh
# XFS QA Test No. 086
#
# To test log replay with version 2 logs
# Initially keep this simple with just creates.
# In another qa test we can do more e.g. use fsstress.
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2004 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=root@icy.melbourne.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

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

# real QA test starts here
rm -f $seq.full $tmp.*
_require_scratch

echo "*** init FS"
umount $SCRATCH_DEV >/dev/null 2>&1

cat >$tmp.seq.params <<EOF
# mkfs-opt             mount-opt
  -lversion=2          -ologbsize=32k
  -lversion=2,su=4096  -ologbsize=32k
  -lversion=2,su=32768 -ologbsize=32k
#
# expect following line to fail
#
  -lversion=2,su=36864 -ologbsize=32k
#
# following is not a power of 2 BBs 
#
  -lversion=2,su=5120  -ologbsize=32k
EOF

# Do the work for various log params which
# should not effect the data content of the log
# Try with and without sync'ing - sync'ing will mean that
# the log will be written out unfilled and thus the log 
# stripe can have an effect.
#
for s in sync nosync ; do
    cat $tmp.seq.params \
    | while read mkfs mnt restofline
    do
	if [ "$mkfs" = "#" ]; then 
	    continue
	fi

	echo "--- mkfs=$mkfs, mnt=$mnt, sync=$s ---"
	export MOUNT_OPTIONS=$mnt
	export MKFS_OPTIONS=$mkfs

	# mkfs the FS
	_echofull "mkfs"
	if ! _mkfs_log; then
	    _echofull "mkfs failed: $MKFS_OPTIONS"
	    continue
	fi

	# mount the FS
	_echofull "mount"
	if ! _scratch_mount >>$seq.full 2>&1; then
	    _echofull "mount failed: $MOUNT_OPTIONS"
	    continue
	fi

	# create the metadata
	if [ $s = "sync" ]; then
	    # generate some log traffic - but not too much
	    # add some syncs to get the log flushed to disk 
	    for file in $SCRATCH_MNT/{0,1,2,3,4,5,6,7,8,9}{0,1,2,3,4,5,6,7,8,9}; do
		touch $file
		sync
	    done
	else
	    # generate some log traffic - but not too much - life gets a little
	    # more complicated if the log wraps around. This traffic is
	    # pretty much arbitary, but could probably be made better than this.
	    touch $SCRATCH_MNT/{0,1,2,3,4,5,6,7,8,9}{0,1,2,3,4,5,6,7,8,9}
	fi

	# check before on what FS should look like
	_echofull "ls $SCRATCH_MNT"
	ls $SCRATCH_MNT

	_echofull "godown"
	src/godown -v -f $SCRATCH_MNT >> $seq.full

	_echofull "unmount"
	umount $SCRATCH_DEV >>$seq.full 2>&1 \
	    || _fail "umount failed"

	_echofull "logprint after going down..."
	_print_logstate

	_echofull "mount with replay"
	_scratch_mount >>$seq.full 2>&1 \
	    || _fail "mount failed: $MOUNT_OPTIONS"

	# check on what FS looks like after log recovery
	_echofull "ls $SCRATCH_MNT"
	ls $SCRATCH_MNT

	_echofull "unmount"
	umount $SCRATCH_MNT

	_echofull "logprint after mount and replay..."
	_print_logstate

	if _check_scratch_fs; then
	    _echofull "filesystem is checked ok"
	else
	    _echofull "filesystem is NOT ok"
	fi
    done
done

status=0 
exit