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The test device is now used as a nfs filesystem.
Merge of master-melb:xfs-cmds:26462a by kenmcd.

  modified this test to run on xfs only.

#! /bin/sh
# FS QA Test No. 078
#
# Check several growfs corner cases
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

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

here=`pwd`
tmp=/tmp/$$
status=1

trap "_cleanup; rm -f $tmp.*; exit \$status" 0 1 2 3 15

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


_cleanup()
{
    cd /
    rm -f $tmp.*
    umount $LOOP_MNT 2>/dev/null
    rmdir $LOOP_MNT
    _cleanup_testdir
}

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

_require_loop

LOOP_DEV=$TEST_DIR/$seq.fs
LOOP_MNT=$TEST_DIR/$seq.mnt

_filter_io()
{
	sed -e '/.* ops; /d'
}

# real QA test starts here
_supported_fs xfs
echo "*** create loop mount point"
rm -f $LOOP_MNT 2>/dev/null
mkdir $LOOP_MNT || _fail "cannot create loopback mount point"

_grow_loop()
{
	original=$1
	new_size=$2
	bsize=$3

	echo
	echo "=== GROWFS (from $original to $new_size, $bsize blocksize)"
	echo

	echo "*** mkfs loop file (size=$original)"
	/sbin/mkfs.xfs -bsize=$bsize -dfile,name=$LOOP_DEV,size=$original \
		| _filter_mkfs 2>/dev/null

	echo "*** extend loop file"
	$XFS_IO_PROG -c "pwrite $new_size $bsize" $LOOP_DEV | _filter_io
	echo "*** mount loop filesystem"
	mount -t xfs -o loop $LOOP_DEV $LOOP_MNT

	echo "*** grow loop filesystem"
	xfs_growfs $LOOP_MNT | _filter_mkfs 2>/dev/null

	echo "*** unmount and check"
	umount $LOOP_MNT
	_check_xfs_filesystem $LOOP_DEV none none
	rm -f $LOOP_DEV
}

# Wes' problem sizes...
_grow_loop 168024b 1376452608 4096

# Some other blocksize cases...
_grow_loop 168024b 1376452608 2048
_grow_loop 168024b 1376452608 512
_grow_loop 168024b 688230400 1024 

echo "*** all done"
status=0
exit