#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014 Red Hat, Inc.  All Rights Reserved.
#
# FS QA Test No. 005
#
# Test that a bad crc on a primary V5 superblock will fail the mount
#
# 10e6e65 xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields
# inadvertently caused primary SB CRC failures to not error out, this
# is a regression test for that fix.
#
. ./common/preamble
_begin_fstest auto quick

# Import common functions.
. ./common/filter

# Modify as appropriate.
_supported_fs xfs

_require_scratch_nocheck
_require_xfs_mkfs_crc

_scratch_mkfs_xfs -m crc=1 >> $seqres.full 2>&1 || _fail "mkfs failed"

# Zap the crc.  xfs_db updates the CRC post-write, so poke it directly
$XFS_IO_PROG -c "pwrite 224 4" -c fsync $SCRATCH_DEV | _filter_xfs_io

# should FAIL, the crc is bad; golden output contains mount failure
_try_scratch_mount 2>&1 | _filter_error_mount

# success, all done
status=0
exit