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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Christoph Hellwig. All Rights Reserved.
#
# FS QA Test No. 408
#
# Verify that mtime is not updated when deduping files.
#
. ./common/preamble
_begin_fstest auto quick clone dedupe metadata
status=0
# Override the default cleanup function.
_cleanup()
{
cd /
rm -f $sourcefile
rm -f $destfile
}
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_fs generic
_require_test
_require_test_dedupe
echo "Silence is golden."
# pattern the files.
sourcefile=$TEST_DIR/dedup_mtime_sourcefile
$XFS_IO_PROG -f -c "pwrite 0 4k" -c fsync $sourcefile >> $seqres.full
destfile=$TEST_DIR/dedup_mtime_destfile
$XFS_IO_PROG -f -c "pwrite 0 4k" -c fsync $destfile >> $seqres.full
# sample timestamps.
mtime1=`stat -c %Y $destfile`
ctime1=`stat -c %Z $destfile`
echo "before dedup: $mtime1 $ctime1" >> $seqres.full
# dedup to trigger timestamp change
sleep 1
_dedupe_range $sourcefile 0 $destfile 0 "4k" >> $seqres.full
# sample and verify that timestamps have changed.
mtime2=`stat -c %Y $destfile`
ctime2=`stat -c %Z $destfile`
echo "after dedup : $mtime2 $ctime2" >> $seqres.full
if [ "$mtime1" != "$mtime2" ]; then
echo "mtime updated"
let status=$status+1
fi
if [ "$ctime1" != "$ctime2" ]; then
echo "ctime updated"
let status=$status+1
fi
exit
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