tests/generic/694

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022  Red Hat Inc. All Rights Reserved.
#
# FS QA Test 694
#
# Verify that i_blocks for files larger than 4 GiB have correct
# values.
#
# This test verifies the problem fixed in kernel with commit
# 0c336d6e33f4 exfat: fix incorrect loading of i_blocks for large files
#
. ./common/preamble
_begin_fstest auto

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

_fixed_by_kernel_commit 0c336d6e33f4 \
	"exfat: fix incorrect loading of i_blocks for large file"

_require_test
_require_fs_space $TEST_DIR $((4 * 1024 * 1024)) #kB

echo "Silence is golden"

junk_dir=$TEST_DIR/$seq
junk_file=$junk_dir/junk
mkdir -p $junk_dir

_create_file_sized 4G $junk_file
if [ $? -ne 0 ]; then
	echo "Could not create 4G test file"
fi

# make sure indirect block reservations and other temporary block reservations
# are released before sampling i_blocks
_test_sync

iblocks=`stat -c '%b' $junk_file`

_test_cycle_mount

iblocks_after_remount=`stat -c '%b' $junk_file`

if [ "$iblocks" != "$iblocks_after_remount" ]; then
	echo "Number of blocks needs to be same: $iblocks, $iblocks_after_remount"
fi

status=0

exit