apfstests/078

#! /bin/sh
# XFS QA Test No. 078
#
# Check several growfs corner cases
#
#-----------------------------------------------------------------------
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# creator
owner=nathans@sgi.com

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

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

_cleanup()
{
	umount $LOOP_MNT 2>/dev/null
	rmdir $LOOP_MNT
}
trap "_cleanup; rm -f $tmp.*; exit \$status" 0 1 2 3 15

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

_require_loop

LOOP_DEV=$tmp.fs
LOOP_MNT=$tmp.mnt

# real QA test starts here
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 -c "pwrite $new_size $bsize" $LOOP_DEV 
	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_filesystem $LOOP_DEV
	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 168025b 1024 

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