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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2009 Christoph Hellwig.
#
# FS QA Test No. 215
#
# Test out c/mtime updates after mapped writes.
#
# Based on the testcase in http://bugzilla.kernel.org/show_bug.cgi?id=2645
#
. ./common/preamble
_begin_fstest auto metadata quick
# Override the default cleanup function.
_cleanup()
{
cd /
rm -f $testfile
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_test
testfile=$TEST_DIR/tst.mmap
echo
echo "creating test file"
dd if=/dev/zero of=$testfile count=4096
mtime1=`stat -c "%Y" $testfile`
ctime1=`stat -c "%Z" $testfile`
sleep 2
echo
echo "writing via mmap"
$XFS_IO_PROG -f \
-c 'mmap 0 4096' \
-c 'mwrite 0 4096' \
$testfile | _filter_xfs_io_unique
mtime2=`stat -c "%Y" $testfile`
ctime2=`stat -c "%Z" $testfile`
let mtime_diff=$mtime2-$mtime1
let ctime_diff=$ctime2-$ctime1
if [ "$mtime_diff" -eq "0" ]; then
echo "FAIL: mtime not update after mapped write"
fi
if [ "$ctime_diff" -eq "0" ]; then
echo "FAIL: ctime not update after mapped write"
fi
# success, all done
echo "*** done"
status=0
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