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|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Deepa Dinamani. All Rights Reserved.
#
# FS QA Test 402
#
# Tests to verify policy for filesystem timestamps for
# supported ranges:
# 1. Verify filesystem rw mount according to sysctl
# timestamp_supported.
# 2. Verify timestamp clamping for timestamps beyond max
# timestamp supported.
#
# Exit status 1: either or both tests above fail.
# Exit status 0: both the above tests pass.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "exit \$status" 0 1 2 3 15
# Get standard environment, filters and checks.
. ./common/rc
. ./common/filter
. ./common/attr
# remove previous $seqres.full before test
rm -f $seqres.full
# Prerequisites for the test run.
_supported_fs generic
_supported_os Linux
_require_scratch
_require_xfs_io_command utimes
# Compare file timestamps obtained from stat
# with a given timestamp.
check_stat()
{
file=$1
timestamp=$2
stat_timestamp=`stat -c"%X;%Y" $file`
prev_timestamp="$timestamp;$timestamp"
if [ $prev_timestamp != $stat_timestamp ]; then
echo "$prev_timestamp != $stat_timestamp" | tee -a $seqres.full
fi
}
run_test_individual()
{
file=$1
timestamp=$2
update_time=$3
# check if the time needs update
if [ $update_time -eq 1 ]; then
echo "Updating file: $file to timestamp `date -d @$timestamp`" >> $seqres.full
$XFS_IO_PROG -f -c "utimes $timestamp 0 $timestamp 0" $file
if [ $? -ne 0 ]; then
echo "Failed to update times on $file" | tee -a $seqres.full
fi
fi
tsclamp=$(($timestamp>$tsmax?$tsmax:$timestamp))
echo "Checking file: $file Updated timestamp is `date -d @$tsclamp`" >> $seqres.full
check_stat $file $tsclamp
}
run_test()
{
update_time=$1
n=1
for TIME in "${TIMESTAMPS[@]}"; do
run_test_individual ${SCRATCH_MNT}/test_$n $TIME $update_time
((n++))
done
}
_scratch_mkfs &>> $seqres.full 2>&1 || _fail "mkfs failed"
_require_y2038 $SCRATCH_DEV
read tsmin tsmax <<<$(_filesystem_timestamp_range $SCRATCH_DEV)
echo min supported timestamp $tsmin $(date --date=@$tsmin) >> $seqres.full
echo max supported timestamp $tsmax $(date --date=@$tsmax) >> $seqres.full
# Test timestamps array
declare -a TIMESTAMPS=(
$tsmin
0
$tsmax
$((tsmax+1))
4294967295
8589934591
34359738367
)
# Max timestamp is hardcoded to Mon Jan 18 19:14:07 PST 2038
sys_tsmax=2147483647
echo "max timestamp that needs to be supported by fs for rw mount is" \
"$((sys_tsmax+1)) $(date --date=@$((sys_tsmax+1)))" >> $seqres.full
read ts_check <<<$(cat /proc/sys/fs/fs-timestamp-check-on)
_scratch_mount
result=$?
if [ $ts_check -ne 0 ]; then
echo "sysctl filesystem timestamp check is on" >> $seqres.full
# check for mount failure if the minimum requirement for max timestamp
# supported is not met.
if [ $sys_tsmax -ge $tsmax ]; then
if [ $result -eq 0 ]; then
echo "mount test failed" | tee -a $seqres.full
exit
fi
else
if [ $result -ne 0 ]; then
echo "failed to mount $SCRATCH_DEV" | tee -a $seqres.full
exit
fi
fi
else
# if sysctl switch is off then mount should succeed always.
echo "sysctl filesystem timestamp check is off" >> $seqres.full
if [ $result -ne 0 ]; then
echo "failed to mount $SCRATCH_DEV and timestamp check is off" >> $seqres.full
exit
fi
fi
# Begin test case 1
echo "In memory timestamps update test start" >> $seqres.full
# update time on the file
update_time=1
run_test $update_time
echo "In memory timestamps update complete" >> $seqres.full
echo "Unmounting and mounting scratch $SCRATCH_MNT" >> $seqres.full
# unmount and remount $SCRATCH_DEV
_scratch_cycle_mount
# Begin test case 2
n=1
# Do not update time on the file this time, just read from disk
update_time=0
echo "On disk timestamps update test start" >> $seqres.full
# Re-run test
run_test $update_time
echo "On disk timestamps update test complete" >> $seqres.full
echo "y2038 inode timestamp tests completed successfully"
# success, all done
status=0
exit
|
