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https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
generic: Add tests for inode timestamp policy
The test helps to validate clamping and mount behaviors according to supported file system timestamp ranges. Note that the test can fail on 32-bit systems for a few file systems. This will be corrected when vfs is transitioned to use 64-bit timestamps. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Deepa Dinamani
committed by
Eryu Guan
Eryu Guan
parent
3abf189ff2
commit
fbe236d6a9
@@ -1696,6 +1696,51 @@ _run_aiodio()
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return $status
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}
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# this test requires y2038 sysfs switch and filesystem
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# timestamp ranges support.
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_require_y2038()
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{
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local device=${1:-$TEST_DEV}
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local sysfsdir=/proc/sys/fs/fs-timestamp-check-on
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if [ ! -e $sysfsdir ]; then
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_notrun "no kernel support for y2038 sysfs switch"
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fi
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local tsmin tsmax
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read tsmin tsmax <<<$(_filesystem_timestamp_range $device)
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if [ $tsmin -eq -1 -a $tsmax -eq -1 ]; then
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_notrun "filesystem $FSTYP timestamp bounds are unknown"
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fi
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}
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_filesystem_timestamp_range()
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{
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device=${1:-$TEST_DEV}
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case $FSTYP in
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ext4)
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if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
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echo "-2147483648 15032385535"
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else
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echo "-2147483648 2147483647"
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fi
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;;
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xfs)
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echo "-2147483648 2147483647"
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;;
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jfs)
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echo "0 4294967295"
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;;
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f2fs)
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echo "-2147483648 2147483647"
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;;
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*)
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echo "-1 -1"
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;;
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esac
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}
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# indicate whether YP/NIS is active or not
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#
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_yp_active()
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@@ -1814,6 +1859,9 @@ _require_xfs_io_command()
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echo $testio | egrep -q "invalid option" && \
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_notrun "xfs_io $command support is missing"
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;;
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"utimes" )
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testio=`$XFS_IO_PROG -f -c "utimes" 0 0 0 0 $testfile 2>&1`
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;;
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*)
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testio=`$XFS_IO_PROG -c "$command help" 2>&1`
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esac
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Executable
+188
@@ -0,0 +1,188 @@
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#! /bin/bash
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# FS QA Test 402
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#
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# Tests to verify policy for filesystem timestamps for
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# supported ranges:
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# 1. Verify filesystem rw mount according to sysctl
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# timestamp_supported.
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# 2. Verify timestamp clamping for timestamps beyond max
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# timestamp supported.
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#
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# Exit status 1: either or both tests above fail.
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# Exit status 0: both the above tests pass.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Deepa Dinamani. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "exit \$status" 0 1 2 3 15
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# Get standard environment, filters and checks.
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. ./common/rc
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. ./common/filter
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. ./common/attr
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# Prerequisites for the test run.
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_xfs_io_command utimes
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# Compare file timestamps obtained from stat
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# with a given timestamp.
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check_stat()
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{
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file=$1
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timestamp=$2
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stat_timestamp=`stat -c"%X;%Y" $file`
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prev_timestamp="$timestamp;$timestamp"
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if [ $prev_timestamp != $stat_timestamp ]; then
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echo "$prev_timestamp != $stat_timestamp" | tee -a $seqres.full
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fi
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}
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run_test_individual()
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{
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file=$1
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timestamp=$2
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update_time=$3
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# check if the time needs update
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if [ $update_time -eq 1 ]; then
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echo "Updating file: $file to timestamp `date -d @$timestamp`" >> $seqres.full
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$XFS_IO_PROG -f -c "utimes $timestamp 0 $timestamp 0" $file
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if [ $? -ne 0 ]; then
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echo "Failed to update times on $file" | tee -a $seqres.full
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fi
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fi
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tsclamp=$(($timestamp>$tsmax?$tsmax:$timestamp))
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echo "Checking file: $file Updated timestamp is `date -d @$tsclamp`" >> $seqres.full
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check_stat $file $tsclamp
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}
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run_test()
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{
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update_time=$1
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n=1
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for TIME in "${TIMESTAMPS[@]}"; do
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run_test_individual ${SCRATCH_MNT}/test_$n $TIME $update_time
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((n++))
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done
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}
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_scratch_mkfs &>> $seqres.full 2>&1 || _fail "mkfs failed"
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_require_y2038 $SCRATCH_DEV
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read tsmin tsmax <<<$(_filesystem_timestamp_range $SCRATCH_DEV)
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echo min supported timestamp $tsmin $(date --date=@$tsmin) >> $seqres.full
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echo max supported timestamp $tsmax $(date --date=@$tsmax) >> $seqres.full
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# Test timestamps array
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declare -a TIMESTAMPS=(
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$tsmin
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0
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$tsmax
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$((tsmax+1))
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4294967295
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8589934591
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34359738367
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)
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# Max timestamp is hardcoded to Mon Jan 18 19:14:07 PST 2038
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sys_tsmax=2147483647
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echo "max timestamp that needs to be supported by fs for rw mount is" \
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"$((sys_tsmax+1)) $(date --date=@$((sys_tsmax+1)))" >> $seqres.full
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read ts_check <<<$(cat /proc/sys/fs/fs-timestamp-check-on)
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_scratch_mount
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result=$?
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if [ $ts_check -ne 0 ]; then
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echo "sysctl filesystem timestamp check is on" >> $seqres.full
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# check for mount failure if the minimum requirement for max timestamp
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# supported is not met.
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if [ $sys_tsmax -ge $tsmax ]; then
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if [ $result -eq 0 ]; then
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echo "mount test failed" | tee -a $seqres.full
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exit
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fi
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else
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if [ $result -ne 0 ]; then
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echo "failed to mount $SCRATCH_DEV" | tee -a $seqres.full
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exit
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fi
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fi
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else
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# if sysctl switch is off then mount should succeed always.
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echo "sysctl filesystem timestamp check is off" >> $seqres.full
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if [ $result -ne 0 ]; then
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echo "failed to mount $SCRATCH_DEV and timestamp check is off" >> $seqres.full
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exit
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fi
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fi
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# Begin test case 1
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echo "In memory timestamps update test start" >> $seqres.full
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# update time on the file
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update_time=1
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run_test $update_time
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echo "In memory timestamps update complete" >> $seqres.full
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echo "Unmounting and mounting scratch $SCRATCH_MNT" >> $seqres.full
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# unmount and remount $SCRATCH_DEV
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_scratch_cycle_mount
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# Begin test case 2
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n=1
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# Do not update time on the file this time, just read from disk
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update_time=0
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echo "On disk timestamps update test start" >> $seqres.full
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# Re-run test
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run_test $update_time
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echo "On disk timestamps update test complete" >> $seqres.full
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echo "y2038 inode timestamp tests completed successfully"
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# success, all done
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status=0
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exit
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@@ -0,0 +1,2 @@
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QA output created by 402
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y2038 inode timestamp tests completed successfully
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@@ -404,3 +404,4 @@
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399 auto encrypt
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400 auto quick quota
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401 auto quick
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402 auto quick rw
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