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
  25 _require_scratch
  26 _require_scratch_shutdown
  27 _require_xfs_io_command "fiemap"
  28 _scratch_mkfs >/dev/null 2>&1
  29 _require_metadata_journaling $SCRATCH_DEV
  30 _scratch_mount
  31
  32 # create files
  33 i=1;
  34 while [ $i -lt 1000 ]
  35 do
  36         file=$SCRATCH_MNT/$i
  37         $XFS_IO_PROG -f -c "pwrite -b 64k -S 0xff 0 64k" $file > /dev/null
  38         if [ $? -ne 0 ]
  39         then
  40                 echo error creating/writing file $file
  41                 exit
  42         fi
  43         let i=$i+1
  44 done
  45
  46 # give the system a chance to write something out
  47 sleep 10
  48
  49 _scratch_shutdown
  50
  51 _scratch_unmount
  52 _scratch_mount
  53 _scratch_unmount
  54 if [ ! _check_scratch_fs ]
  55 then
  56         echo error detected in filesystem
  57         exit
  58 fi
  59 _scratch_mount
  60
  61 # check file size and contents
  62 i=1;
  63 while [ $i -lt 1000 ]
  64 do
  65         file=$SCRATCH_MNT/$i
  66         # if file does not exist, the create was not logged, skip it
  67         if [ -e $file ]
  68         then
  69                 # if file size is zero it cannot be corrupt, skip it
  70                 if [ -s $file ]
  71                 then
  72                         # if file has non-zero size but no extents then it's contents will be NULLs, bad.
  73                         num_extents=`_count_extents $file`
  74                         num_holes=`_count_holes $file`
  75                         if [ $num_extents -eq 0 ]; then
  76                                 echo corrupt file $file - non-zero size but no extents
  77                         elif [ $num_holes -ne 0 ]; then
  78                                 echo corrupt file $file - contains holes
  79                         else
  80                                 rm -f $file
  81                         fi
  82                 else
  83                         rm -f $file
  84                 fi
  85         fi
  86         let i=$i+1
  87 done
  88
  89 status=0
  90 exit