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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test No. 715
#
# Test swapext between two files of unlike size.
. ./common/preamble
_begin_fstest auto quick fiexchange swapext
# Override the default cleanup function.
_cleanup()
{
cd /
rm -r -f $tmp.* $dir
}
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
_require_xfs_io_command swapext '-v exchrange -s 64k -l 64k'
_require_test
filesnap() {
echo "$1"
if [ "$2" != "$3" ]; then
md5sum $2 $3 | _filter_test_dir
else
md5sum $2 | _filter_test_dir
fi
}
test_swapext_once() {
local tag=$1
local a_len=$2
local b_len=$3
local a_off=$4
local b_off=$5
local len=$6
# len is either a block count or -e to swap to EOF
if [ "$len" != "-e" ]; then
len="-l $((blksz * len))"
fi
rm -f $dir/a $dir/b
_pwrite_byte 0x58 0 $((blksz * a_len)) $dir/a >> $seqres.full
_pwrite_byte 0x59 0 $((blksz * b_len)) $dir/b >> $seqres.full
filesnap "$tag: before swapext" $dir/a $dir/b
cmd="swapext -v exchrange -s $((blksz * a_off)) -d $((blksz * b_off)) $len $dir/a"
echo "$cmd" >> $seqres.full
$XFS_IO_PROG -c "$cmd" $dir/b
filesnap "$tag: after swapext" $dir/a $dir/b
_test_cycle_mount
filesnap "$tag: after cycling mount" $dir/a $dir/b
echo
}
dir=$TEST_DIR/test-$seq
mkdir -p $dir
blksz=65536
test_swapext_once "last 5 blocks" 27 37 22 32 5
test_swapext_once "whole file to eof" 27 37 0 0 -e
test_swapext_once "blocks 30-40" 27 37 30 30 10
# success, all done
status=0
exit
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