tests/btrfs/198

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2019 Oracle.  All Rights Reserved.
#
# FS QA Test 198
#
# Test stale and alien non-btrfs device in the fs devices list.
#  Bug fixed in:
#    btrfs: remove identified alien device in open_fs_devices
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

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

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

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

# remove previous $seqres.full before test
rm -f $seqres.full

# real QA test starts here
_supported_fs btrfs
_require_command "$WIPEFS_PROG" wipefs
_require_scratch
_require_scratch_dev_pool 4

workout()
{
	raid=$1
	device_nr=$2

	echo $raid
	_scratch_dev_pool_get $device_nr

	_scratch_pool_mkfs "-d$raid -m$raid" >> $seqres.full 2>&1 || \
							_fail "mkfs failed"

	# Make device_1 a free btrfs device for the raid created above by
	# clearing its superblock

	# don't test with the first device as auto fs check (_check_scratch_fs)
	# picks the first device
	device_1=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
	$WIPEFS_PROG -a $device_1 >> $seqres.full 2>&1

	device_2=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
	_mount -o degraded $device_2 $SCRATCH_MNT
	# Check if missing device is reported as in the 196.out
	$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | \
						_filter_btrfs_filesystem_show

	_scratch_unmount
	_scratch_dev_pool_put
}

workout "raid1" "2"
workout "raid5" "3"
workout "raid6" "4"
workout "raid10" "4"

# success, all done
status=0
exit