tests/generic/120

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5 # FS QA Test No. 120
   6 #
   7 # Test noatime mount option.
   8 #
   9 . ./common/preamble
  10 _begin_fstest other atime auto quick
  11
  12 # Import common functions.
  13 . ./common/filter
  14
  15 # real QA test starts here
  16 _supported_fs generic
  17
  18 _require_scratch
  19 _require_atime
  20
  21 _scratch_mkfs >/dev/null 2>&1 || _fail "mkfs failed"
  22
  23 _compare_access_times()
  24 {
  25         original_access_time="`cat $tmp.out | sed -n '5p'|awk '{ print substr($0,0,32)}'`"
  26         accessed_time="`$here/src/lstat64 $1 | sed -n '5p'| awk '{ print substr($0,0,32)}'`"
  27         echo "*** compare access times ***"
  28         if [ "$original_access_time" != "$accessed_time" ]
  29                 then
  30                 echo "*** file access time updated on $2 (unexpected) ***"
  31                 cat $tmp.out
  32                 echo "---------------------------------------------------"
  33                 $here/src/lstat64 $1
  34                 mount | grep $SCRATCH_MNT
  35         fi
  36
  37 }
  38
  39 if ! _try_scratch_mount "-o noatime" >$tmp.out 2>&1
  40 then
  41     cat $tmp.out
  42     echo "!!! mount failed"
  43     exit
  44 fi
  45
  46 #executable file
  47 echo "*** copying file ***"
  48 cp $here/src/lstat64 $SCRATCH_MNT
  49 $here/src/lstat64 $SCRATCH_MNT/lstat64 >$tmp.out
  50 sleep 5
  51 echo "*** executing file ***"
  52 $SCRATCH_MNT/lstat64 $SCRATCH_MNT/lstat64 >/dev/null
  53 _compare_access_times $SCRATCH_MNT/lstat64 "executing file"
  54
  55 #reading file
  56 echo "*** creating file ***"
  57 touch $SCRATCH_MNT/testfile
  58 $here/src/lstat64 $SCRATCH_MNT/testfile >$tmp.out
  59 sleep 5
  60 echo "*** reading file ***"
  61 cat $SCRATCH_MNT/testfile >/dev/null
  62 _compare_access_times $SCRATCH_MNT/testfile "reading file"
  63
  64 #writing file
  65 echo "*** creating file ***"
  66 touch $SCRATCH_MNT/testfile2
  67 $here/src/lstat64 $SCRATCH_MNT/testfile2 >$tmp.out
  68 sleep 5
  69 echo "*** writing to file ***"
  70 echo "asdf" >> $SCRATCH_MNT/testfile2
  71 _compare_access_times $SCRATCH_MNT/testfile2 "writing file"
  72
  73 _scratch_unmount
  74
  75 # success, all done
  76 status=0
  77 exit