tests/generic/043

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5 # FSQA Test No. 043
   6 #
   7 # Test for NULL files problem
   8 #
   9 seq=`basename $0`
  10 seqres=$RESULT_DIR/$seq
  11 echo "QA output created by $seq"
  12
  13 here=`pwd`
  14 tmp=/tmp/$$
  15 status=1    # failure is the default!
  16 trap "exit \$status" 0 1 2 3 15
  17
  18 # get standard environment, filters and checks
  19 . ./common/rc
  20 . ./common/filter
  21
  22 # real QA test starts here
  23 _supported_fs generic
  24 _supported_os Linux
  25
  26 _require_scratch
  27 _require_scratch_shutdown
  28 _require_xfs_io_command "fiemap"
  29 _scratch_mkfs >/dev/null 2>&1
  30 _require_metadata_journaling $SCRATCH_DEV
  31 _scratch_mount
  32
  33 # create files
  34 i=1;
  35 while [ $i -lt 1000 ]
  36 do
  37         file=$SCRATCH_MNT/$i
  38         $XFS_IO_PROG -f -c "pwrite -b 64k -S 0xff 0 64k" $file > /dev/null
  39         if [ $? -ne 0 ]
  40         then
  41                 echo error creating/writing file $file
  42                 exit
  43         fi
  44         let i=$i+1
  45 done
  46
  47 # give the system a chance to write something out
  48 sleep 10
  49
  50 _scratch_shutdown
  51
  52 _scratch_unmount
  53 _scratch_mount
  54 _scratch_unmount
  55 if [ ! _check_scratch_fs ]
  56 then
  57         echo error detected in filesystem
  58         exit
  59 fi
  60 _scratch_mount
  61
  62 # check file size and contents
  63 i=1;
  64 while [ $i -lt 1000 ]
  65 do
  66         file=$SCRATCH_MNT/$i
  67         # if file does not exist, the create was not logged, skip it
  68         if [ -e $file ]
  69         then
  70                 # if file size is zero it cannot be corrupt, skip it
  71                 if [ -s $file ]
  72                 then
  73                         # if file has non-zero size but no extents then it's contents will be NULLs, bad.
  74                         num_extents=`_count_extents $file`
  75                         num_holes=`_count_holes $file`
  76                         if [ $num_extents -eq 0 ]; then
  77                                 echo corrupt file $file - non-zero size but no extents
  78                         elif [ $num_holes -ne 0 ]; then
  79                                 echo corrupt file $file - contains holes
  80                         else
  81                                 rm -f $file
  82                         fi
  83                 else
  84                         rm -f $file
  85                 fi
  86         fi
  87         let i=$i+1
  88 done
  89
  90 status=0
  91 exit