#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2023 Netapp Inc., All Rights Reserved.
#
# FS QA Test 728
#
# Test a bug where the NFS client wasn't sending a post-op GETATTR to the
# server after setting an xattr, resulting in `stat` reporting a stale ctime.
#
. ./common/preamble
_begin_fstest auto quick attr

# Import common functions
. ./common/attr

# real QA test starts here
_supported_fs generic
_require_test
_require_attrs

rm -rf $TEST_DIR/testfile
touch $TEST_DIR/testfile

check_xattr_op()
{
	what=$1
	shift 1

	before_ctime=$(stat -c %z $TEST_DIR/testfile)
	# maximum known ctime granularity is 2s (e.g. FAT)
	sleep 2
	$SETFATTR_PROG $* $TEST_DIR/testfile
	after_ctime=$(stat -c %z $TEST_DIR/testfile)

	test "$before_ctime" != "$after_ctime" || echo "Expected ctime to change after $what."
}

check_xattr_op setxattr -n user.foobar -v 123
check_xattr_op removexattr -x user.foobar

echo "Silence is golden"
status=0
exit