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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Calvin Owens. All Rights Reserved.
#
# FS QA Test 420
#
# Verify fallocate(mode=FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE) does
# not alter the file size.
#
. ./common/preamble
_begin_fstest auto quick punch
# Import common functions.
. ./common/filter
# real QA test starts here
# Modify as appropriate.
_supported_fs generic
_require_test
_require_xfs_io_command fpunch
testfile="${TEST_DIR}/testfile.$seq"
echo "Testing fallocate(mode=FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE)"
$XFS_IO_PROG -f -t -c "pwrite -b 2048 0 2048" $testfile | head -n1
# fpunch from xfs_io has KEEP_SIZE flag set
$XFS_IO_PROG -c "fpunch 2048 2048" $testfile
$XFS_IO_PROG -c "stat" $testfile | grep -F 'stat.size'
# success, all done
status=0
exit
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