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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. 790
#
# Make sure an atomic swapext actually runs to completion even if we shut
# down the filesystem midway through.
. ./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
. ./common/inject
# real QA test starts here
_supported_fs xfs
_require_xfs_io_command swapext '-v exchrange -a'
_require_test_program "punch-alternating"
_require_xfs_io_command startupdate
_require_xfs_io_error_injection "bmap_finish_one"
_require_test
filesnap() {
echo "$1"
md5sum $dir/a $dir/b $dir/c | _filter_test_dir
}
dir=$TEST_DIR/test-$seq
mkdir -p $dir
blksz=65536
nrblks=137
# Create two files to swap, and try to fragment the first file.
rm -f $dir/a
_pwrite_byte 0x58 0 $((blksz * nrblks)) $dir/a >> $seqres.full
$here/src/punch-alternating $dir/a
_pwrite_byte 0x59 0 $((blksz * nrblks)) $dir/b >> $seqres.full
_pwrite_byte 0x59 0 $((blksz * nrblks)) $dir/c >> $seqres.full
_pwrite_byte 0x58 0 $((blksz * nrblks)) $dir/a >> $seqres.full
sync
# Inject a bmap error and trigger it via swapext.
filesnap "before commit"
$XFS_IO_PROG -x -c 'inject bmap_finish_one' -c "swapext $dir/b" $dir/a
# Check the file afterwards.
_test_cycle_mount
filesnap "after commit"
# success, all done
status=0
exit
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