#! /bin/sh
# FS 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
_supported_fs xfs
_supported_os IRIX Linux

rm -f $seq.full $tmp.*
_require_scratch
_require_v2log 

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

cat >$tmp.seq.params <<EOF
# mkfs-opt             mount-opt
# ------------------------------
  version=2            logbsize=32k
  version=2,su=4096    logbsize=32k
  version=2,su=32768   logbsize=32k
  version=2,su=32768   logbsize=64k
  version=2            logbsize=64k
  version=2,su=64k     logbsize=64k
  version=2            logbsize=128k
  version=2,su=128k    logbsize=128k
  version=2            logbsize=256k
  version=2,su=256k    logbsize=256k
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 MKFS_OPTIONS="-l $mkfs"
	export MOUNT_OPTIONS="-o $mnt"

	# mkfs the FS
	_echofull "mkfs"
	_scratch_mkfs_xfs >>$seq.full 2>&1
	if [ $? -ne 0 ] ; 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