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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
#
# FS QA Test 394
#
# Make sure fs honors file size resource limit.
#
. ./common/preamble
_begin_fstest auto quick
# Override the default cleanup function.
_cleanup()
{
cd /
ulimit -f unlimited
rm -f $tmp.* $TEST_DIR/$seq.*
}
# Import common functions.
. ./common/filter
# need a wrapper function so "File size limit exceeded" message can be filtered
do_truncate()
{
$XFS_IO_PROG -fc "truncate $1" $2
}
# real QA test starts here
_supported_fs generic
_require_test
# set max file size to 1G (in block number of 1k blocks), so it should be big
# enough to let test run without bringing any trouble to test harness
ulimit -f $((1024 * 1024))
# default action to SIGXFSZ is coredump, limit core file size to 0 to avoid
# such core files after each test run
ulimit -c 0
# exercise file size limit boundaries
do_truncate $((1024 * 1024 * 1024 - 1)) $TEST_DIR/$seq.$$-1
do_truncate $((1024 * 1024 * 1024)) $TEST_DIR/$seq.$$
do_truncate $((1024 * 1024 * 1024 + 1)) $TEST_DIR/$seq.$$+1 2>&1 | \
grep -o "File size limit exceeded"
# success, all done
status=0
exit
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