@@ -1960,6 +1960,45 @@ _run_aiodio()
return $status
}
+# this test requires y2038 sysfs switch support
+#
+_require_y2038_sysfs()
+{
+ sysfsdir=/proc/sys/fs/fs-timestamp-check-on
+
+ if [ ! -e $sysfsdir ]; then
+ _notrun "no kernel support for y2038 sysfs switch"
+ fi
+}
+
+_filesystem_timestamp_range()
+{
+ device=${1:-$TEST_DEV}
+ case $FSTYP in
+ ext4)
+ if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
+ echo "-2147483648 15032385535"
+ else
+ echo "-2147483648 2147483647"
+ fi
+ ;;
+
+ xfs)
+ echo "-2147483648 2147483647"
+ ;;
+ jfs)
+ echo "0 4294967295"
+ ;;
+ f2fs)
+ echo "-2147483648 2147483647"
+ ;;
+ *)
+ echo "-1 -1"
+ _notrun "filesystem $FSTYP timestamp bounds are unknown"
+ ;;
+ esac
+}
+
# indicate whether YP/NIS is active or not
#
_yp_active()
@@ -2070,6 +2109,9 @@ _require_xfs_io_command()
echo $testio | egrep -q "Inappropriate ioctl" && \
_notrun "xfs_io $command support is missing"
;;
+ "utimes" )
+ testio=`$XFS_IO_PROG -f -c "utimes" 0 0 0 0 $testfile 2>&1`
+ ;;
*)
testio=`$XFS_IO_PROG -c "$command help" 2>&1`
esac
new file mode 100755
@@ -0,0 +1,197 @@
+#! /bin/bash
+# FS QA Test 390
+#
+# 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.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2016 Deepa Dinamani. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+#
+
+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
+_require_y2038_sysfs
+
+# 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
+ exit
+ 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 $seqres.full
+ exit
+ fi
+ fi
+
+ tsclamp=$(($timestamp>$tsmax?$tsmax:$timestamp))
+ echo "Checking file: $file Updated timestamp is `date -d @$tsclamp`" >> $seqres.full
+ check_stat $file $tsclamp
+}
+
+run_test()
+{
+ update_time=$1
+
+ #initialization iterator
+ n=1
+
+ for TIME in "${TIMESTAMPS[@]}"
+ do
+ #Run the test
+ run_test_individual ${SCRATCH_MNT}/test_$n $TIME $update_time
+
+ #update iterator
+ ((n++))
+ done
+}
+
+_scratch_mkfs &>> $seqres.full 2>&1 || _fail "mkfs failed"
+read tsmin tsmax <<<$(_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 "min timestamp that needs to be supported by fs for rw mount is $sys_tsmax $(date --date=@$sys_tsmax)" >> $seqres.full
+
+read ts_check <<<$(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
+ if [ $sys_tsmax -gt $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
+ 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
+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
+if [ $? -ne 0 ];then
+ echo "Failed to remount $SCRATCH_DEV" | tee -a $seqres.full
+ exit
+fi
+
+# Begin test case 2
+
+#re-initialize iterator
+n=1
+
+#Do not update time on the file, 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
new file mode 100644
@@ -0,0 +1,2 @@
+QA output created by 390
+y2038 inode timestamp tests completed successfully
@@ -392,3 +392,4 @@
387 auto clone
388 auto log metadata
389 auto quick acl
+390 auto quick rw
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> --- The branch of the kernel tree can be located at https://github.com/deepa-hub/vfs refs/heads/vfs_timestamp_policy The xfs_io patch to add utimes is at https://www.spinics.net/lists/linux-xfs/msg02952.html Changes since v1: * Use xfs_io utimes command * Updated error handling * Reorganized code according to review comments common/rc | 42 +++++++++++ tests/generic/390 | 197 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/390.out | 2 + tests/generic/group | 1 + 4 files changed, 242 insertions(+) create mode 100755 tests/generic/390 create mode 100644 tests/generic/390.out