#! /bin/bash
# FS QA Test No. 049
#
# XFS on loop test
#
#-----------------------------------------------------------------------
# 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 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.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#-----------------------------------------------------------------------
#

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

_cleanup()
{
    cd /
    umount $SCRATCH_MNT/test2 > /dev/null 2>&1
    umount $SCRATCH_MNT/test > /dev/null 2>&1
    rm -f $tmp.*

    if [ -w $seqres.full ]
    then
        echo "--- mounts at end (after cleanup)" >> $seqres.full
        mount >> $seqres.full
    fi
}

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "_cleanup ; exit \$status" 0 1 2 3 15

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

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_log()
{
    echo "--- $*"
    echo "--- $*" >> $seqres.full
}

_require_nonexternal
_require_scratch_nocheck
_require_no_large_scratch_dev
_require_loop
_require_ext2

rm -f $seqres.full

echo "(dev=$SCRATCH_DEV, mount=$SCRATCH_MNT)" >> $seqres.full
echo "" >> $seqres.full

echo "--- mounts" >> $seqres.full
mount >> $seqres.full

_log "Create ext2 fs on scratch"
mkfs -t ext2 -F $SCRATCH_DEV >> $seqres.full 2>&1 \
    || _fail "!!! failed to mkfs ext2"

_log "Mount ext2 fs on scratch"
mount -t ext2 $SCRATCH_DEV $SCRATCH_MNT >> $seqres.full 2>&1 \
    || _fail "!!! failed to mount"

_log "Create xfs fs in file on scratch"
${MKFS_XFS_PROG} -f -dfile,name=$SCRATCH_MNT/test.xfs,size=40m \
    >> $seqres.full 2>&1 \
    || _fail "!!! failed to mkfs xfs"

_log "Make mount points"
mkdir $SCRATCH_MNT/test $SCRATCH_MNT/test2 >> $seqres.full 2>&1 \
    || _fail "!!! failed to make mount points"

_log "Mount xfs via loop"
mount -t xfs -o loop $SCRATCH_MNT/test.xfs $SCRATCH_MNT/test >> $seqres.full 2>&1 \
    || _fail "!!! failed to loop mount xfs"

_log "stress"
$FSSTRESS_PROG -d $SCRATCH_MNT/test -n 1000 $FSSTRESS_AVOID >> $seqres.full 2>&1 \
    || _fail "!!! stress failed"

_log "clean"
rm -rf $SCRATCH_MNT/test/* >> $seqres.full 2>&1 \
    || _fail "!!! clean failed"

_log "create file for ext2 fs"
dd if=/dev/zero of=$SCRATCH_MNT/test/test.ext2 bs=1024 count=10240 >> $seqres.full 2>&1 \
    || _fail "!!! create file failed"

_log "Create ext2 fs in file on looped xfs"
echo y | mkfs -t ext2 $SCRATCH_MNT/test/test.ext2 >> $seqres.full 2>&1 \
    || _fail "!!! failed to mkfs ext2 on xfs"

_log "Mount ext2 on xfs via loop"
mount -t ext2 -o loop $SCRATCH_MNT/test/test.ext2 $SCRATCH_MNT/test2 >> $seqres.full 2>&1 \
    || _fail "!!! failed to loop mount xfs"

_log "stress ext2 on xfs via loop"
$FSSTRESS_PROG -d $SCRATCH_MNT/test2 -n 1000 $FSSTRESS_AVOID >> $seqres.full 2>&1 \
    || _fail "!!! stress ext2 failed"

_log "clean"
rm -rf $SCRATCH_MNT/test/* >> $seqres.full 2>&1 \
    || _fail "!!! clean failed"

_log "umount ext2 on xfs"
umount $SCRATCH_MNT/test2 >> $seqres.full 2>&1 \
    || _fail "!!! umount ext2 failed"

_log "umount xfs"
umount $SCRATCH_MNT/test >> $seqres.full 2>&1 \
    || _fail "!!! umount xfs failed"

echo "--- mounts at end (before cleanup)" >> $seqres.full
mount >> $seqres.full

# success, all done
status=0
exit
