#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2021 Oracle.  All Rights Reserved.
#
# FS QA Test No. 142
#
# This is a regression test for commit d0c20d38af13 "xfs: fix
# xfs_bmap_validate_extent_raw when checking attr fork of rt files", which
# fixes the bmap record validator so that it will not check the attr fork
# extent mappings of a realtime file against the size of the realtime volume.

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

# real QA test starts here
_supported_fs xfs
_require_scratch
_require_realtime

rm -f $seqres.full

# Format filesystem with very tiny realtime volume
_scratch_mkfs -r size=256k > $seqres.full
_scratch_mount >> $seqres.full

# Create a realtime file
$XFS_IO_PROG -f -R -c 'pwrite 0 64k' -c stat $SCRATCH_MNT/v >> $seqres.full

# Add enough xattr data to force creation of xattr blocks at a higher address
# on the data device than the size of the realtime volume
for i in `seq 0 16`; do
	$ATTR_PROG -s user.test$i $SCRATCH_MNT/v < $SCRATCH_MNT/v >> $seqres.full
done

# Force flushing extent maps to disk to trip the verifier
_scratch_cycle_mount

# Now let that unmount
echo Silence is golden.

# success, all done
status=0
exit