apfstests/tests/btrfs/009

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2013 Fusion IO.  All Rights Reserved.
#
# FS QA Test No. btrfs/009
#
# Regression test to make sure we can't delete the default subvol
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$

status=1	# failure is the default!

_cleanup()
{
	rm -f $tmp.*
}

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 btrfs
_supported_os Linux
_require_scratch

rm -f $seqres.full

_scratch_mkfs > /dev/null 2>&1
_scratch_mount

$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/newvol >> $seqres.full 2>&1 \
	|| _fail "couldn't create subvol"
subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT newvol)
$BTRFS_UTIL_PROG subvolume set-default $subvolid $SCRATCH_MNT >> $seqres.full 2>&1 \
	|| _fail "couldn't set default"
$BTRFS_UTIL_PROG subvolume delete $SCRATCH_MNT/newvol >> $seqres.full 2>&1
_scratch_unmount
_try_scratch_mount || _fail "mount should have succeeded"

echo "Silence is golden"
status=0 ; exit