#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2021 SUSE Linux Products GmbH.  All Rights Reserved.
#
# FS QA Test 246
#
# Make sure btrfs can create compressed inline extents
#
. ./common/preamble
_begin_fstest auto quick compress

# Override the default cleanup function.
_cleanup()
{
	cd /
	rm -r -f $tmp.*
}

. ./common/filter

_supported_fs btrfs
_require_scratch

# If it's subpage case, we don't support inline extents creation for now.
_require_btrfs_inline_extents_creation

_scratch_mkfs > /dev/null
_scratch_mount -o compress,max_inline=2048

# This should create compressed inline extent
$XFS_IO_PROG -f -c "pwrite 0 2048" $SCRATCH_MNT/foobar > /dev/null
ino=$(stat -c %i $SCRATCH_MNT/foobar)
echo "sha256sum before mount cycle"
sha256sum $SCRATCH_MNT/foobar | _filter_scratch
_scratch_cycle_mount
echo "sha256sum after mount cycle"
sha256sum $SCRATCH_MNT/foobar | _filter_scratch
_scratch_unmount

$BTRFS_UTIL_PROG inspect dump-tree -t 5 $SCRATCH_DEV | \
	grep "($ino EXTENT_DATA 0" -A2 > $tmp.dump-tree
echo "dump tree result for ino $ino:" >> $seqres.full
cat $tmp.dump-tree >> $seqres.full

grep -q "inline extent" $tmp.dump-tree || echo "no inline extent found"
grep -q "compression 1" $tmp.dump-tree || echo "no compressed extent found"

# success, all done
status=0
exit