tests/ext4/044

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2020 SUSE Linux Products GmbH.  All Rights Reserved.
   4 #
   5 # FS QA Test No. 044
   6 #
   7 # Test file timestamps are precise to nanoseconds with 256-byte inodes
   8 #
   9 . ./common/preamble
  10 _begin_fstest auto quick
  11
  12 # Import common functions.
  13 . ./common/filter
  14
  15 # real QA test starts here
  16 _supported_fs ext4
  17 _require_scratch
  18 _require_test_program "t_get_file_time"
  19
  20 echo "Silence is golden"
  21
  22 echo "Test timestamps with 256 inode size one device $SCRATCH_DEV" >$seqres.full
  23 _scratch_mkfs -t ext3 -I 256 >> $seqres.full 2>&1
  24 _scratch_mount
  25
  26 # Create file
  27 touch "${SCRATCH_MNT}/tmp_file"
  28 sleep 1
  29
  30 # Change atime, ctime and mtime of the file
  31 touch "${SCRATCH_MNT}/tmp_file"
  32
  33 cur_time=`date '+%s %N'`
  34 sec=`echo $cur_time | $AWK_PROG {'print $1'}`
  35 nsec=`echo $cur_time | $AWK_PROG {'print $2'}`
  36
  37 sec_atime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file atime sec`
  38 sec_mtime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file mtime sec`
  39 sec_ctime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file ctime sec`
  40 nsec_atime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file atime nsec`
  41 nsec_mtime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file mtime nsec`
  42 nsec_ctime=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file ctime nsec`
  43
  44 # Test nanosecond
  45 if [ $nsec_atime -eq 0 -a $nsec_mtime -eq 0 -a $nsec_ctime -eq 0 ]; then
  46        echo "The timestamp is not nanosecond(nsec_atime: $nsec_atime, \
  47 nsec_mtime: $nsec_mtime, nsec_ctime: $nsec_ctime, cur_time[ns]: $nsec)"
  48 fi
  49
  50 # Check difference between file time and current time
  51 _within_tolerance "sec_atime" $sec_atime $sec 1
  52 _within_tolerance "sec_mtime" $sec_mtime $sec 1
  53 _within_tolerance "sec_ctime" $sec_ctime $sec 1
  54
  55 _scratch_unmount >> $seqres.full 2>&1
  56
  57 # Test mount to ext3 then mount back to ext4 and check timestamp again
  58 _mount -t ext3 `_scratch_mount_options $*` || _fail "ext3 mount failed"
  59 _scratch_unmount >> $seqres.full 2>&1
  60 _scratch_mount
  61
  62 nsec_atime2=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file atime nsec`
  63 nsec_mtime2=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file mtime nsec`
  64 nsec_ctime2=`$here/src/t_get_file_time $SCRATCH_MNT/tmp_file ctime nsec`
  65
  66 [ $nsec_atime -ne $nsec_atime2 ] && echo "File nanosecond timestamp atime has changed unexpected from $nsec_atime to $nsec_atime2"
  67 [ $nsec_mtime -ne $nsec_mtime2 ] && echo "File nanosecond timestamp mtime has changed unexpected from $nsec_mtime to $nsec_mtime2"
  68 [ $nsec_ctime -ne $nsec_ctime2 ] && echo "File nanosecond timestamp ctime has changed unexpected from $nsec_ctime to $nsec_ctime2"
  69
  70 status=0
  71 exit