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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2019 Oracle. All Rights Reserved.
#
# FS QA Test 197
#
# Test stale and alien btrfs-device in the fs devices list.
# Bug fixed in the kernel patch:
# btrfs: include non-missing as a qualifier for the latest_bdev
# btrfs: remove identified alien btrfs device in open_fs_devices
#
. ./common/preamble
_begin_fstest auto quick volume
# Override the default cleanup function.
_cleanup()
{
$UMOUNT_PROG $TEST_DIR/$seq.mnt >/dev/null 2>&1
rm -rf $TEST_DIR/$seq.mnt
cd /
rm -f $tmp.*
}
. ./common/filter.btrfs
_supported_fs btrfs
_require_test
_require_scratch
_require_scratch_dev_pool 5
# We require at least one raid setup, raid1 is the easiest, use this to gate on
# wether or not we run this test
_require_btrfs_raid_type raid1
workout()
{
raid=$1
device_nr=$2
if ! _check_btrfs_raid_type $raid; then
echo "$raid isn't supported, skipping" >> $seqres.full
return
fi
echo $raid >> $seqres.full
_scratch_dev_pool_get $device_nr
_spare_dev_get
_mkfs_dev $SPARE_DEV
mkdir -p $TEST_DIR/$seq.mnt
_mount $SPARE_DEV $TEST_DIR/$seq.mnt
_scratch_pool_mkfs "-d$raid -m$raid" >> $seqres.full 2>&1 || \
_fail "mkfs failed"
# Make device # 2 an alien btrfs device for the raid created above by
# adding it to the $TEST_DIR/$seq.mnt
# don't test with the first device as auto fs check (_check_scratch_fs)
# picks the first device
$BTRFS_UTIL_PROG device add -f "${SCRATCH_DEV_NAME[1]}" "$TEST_DIR/$seq.mnt" >> \
$seqres.full
_mount -o degraded ${SCRATCH_DEV_NAME[0]} $SCRATCH_MNT
# Check if missing device is reported as in the .out
$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | \
_filter_btrfs_filesystem_show > $tmp.output 2>&1
cat $tmp.output >> $seqres.full
grep -q "${SCRATCH_DEV_NAME[1]}" $tmp.output && _fail "found stale device"
$BTRFS_UTIL_PROG device remove "${SCRATCH_DEV_NAME[1]}" "$TEST_DIR/$seq.mnt"
$UMOUNT_PROG $TEST_DIR/$seq.mnt
_scratch_unmount
_spare_dev_put
_scratch_dev_pool_put
}
workout "raid1" "2"
workout "raid5" "3"
workout "raid6" "4"
workout "raid10" "4"
# success, all done
echo "Silence is golden"
status=0
exit
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