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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. 722
#
# Test swapext with the fsync flag flushes everything to disk before the call
# returns.
. ./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_test_program "punch-alternating"
_require_xfs_io_command swapext '-v exchrange -a'
_require_scratch
_require_scratch_shutdown
_scratch_mkfs >> $seqres.full
_scratch_mount
_pwrite_byte 0x58 0 2m $SCRATCH_MNT/a >> $seqres.full
_pwrite_byte 0x59 0 2m $SCRATCH_MNT/b >> $seqres.full
$here/src/punch-alternating $SCRATCH_MNT/a
$here/src/punch-alternating $SCRATCH_MNT/b
old_a=$(md5sum $SCRATCH_MNT/a | awk '{print $1}')
old_b=$(md5sum $SCRATCH_MNT/b | awk '{print $1}')
echo "md5 a: $old_a md5 b: $old_b" >> $seqres.full
od -tx1 -Ad -c $SCRATCH_MNT/a > /tmp/a0
od -tx1 -Ad -c $SCRATCH_MNT/b > /tmp/b0
echo swap >> $seqres.full
$XFS_IO_PROG -c "swapext -v exchrange -a -e -f -u $SCRATCH_MNT/a" $SCRATCH_MNT/b
_scratch_shutdown
_scratch_cycle_mount
new_a=$(md5sum $SCRATCH_MNT/a | awk '{print $1}')
new_b=$(md5sum $SCRATCH_MNT/b | awk '{print $1}')
echo "md5 a: $new_a md5 b: $new_b" >> $seqres.full
test $old_a = $new_b || echo "scratch file B doesn't match old file A"
test $old_b = $new_a || echo "scratch file A doesn't match old file B"
od -tx1 -Ad -c $SCRATCH_MNT/a > /tmp/a1
od -tx1 -Ad -c $SCRATCH_MNT/b > /tmp/b1
# success, all done
echo Silence is golden
status=0
exit
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