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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# FS QA Test No. 080
#
# Verify that mtime is updated when writing to mmap-ed pages
#
. ./common/preamble
_begin_fstest auto quick
status=0
# Override the default cleanup function.
_cleanup()
{
cd /
rm -f $tmp.*
rm -f $testfile
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_test
echo "Silence is golden."
# pattern the file.
testfile=$TEST_DIR/mmap_mtime_testfile
$XFS_IO_PROG -f -c "pwrite 0 4k" -c fsync $testfile >> $seqres.full
# sample timestamps.
mtime1=`stat -c %Y $testfile`
ctime1=`stat -c %Z $testfile`
echo "before mwrite: $mtime1 $ctime1" >> $seqres.full
# map read followed by map write to trigger timestamp change
sleep 2
$XFS_IO_PROG -c "mmap 0 4k" -c "mread 0 4k" -c "mwrite 0 4k" $testfile \
>> $seqres.full
# sample and verify that timestamps have changed.
mtime2=`stat -c %Y $testfile`
ctime2=`stat -c %Z $testfile`
echo "after mwrite : $mtime2 $ctime2" >> $seqres.full
if [ "$mtime1" == "$mtime2" ]; then
echo "mtime not updated"
let status=$status+1
fi
if [ "$ctime1" == "$ctime2" ]; then
echo "ctime not updated"
let status=$status+1
fi
exit
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