tests/generic/046

   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. 046
   6 #
   7 # Test for NULL files problem
   8 #
   9 . ./common/preamble
  10 _begin_fstest shutdown metadata log auto
  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_scratch_shutdown
  20 _require_xfs_io_command "fiemap"
  21 _scratch_mkfs >/dev/null 2>&1
  22 _require_metadata_journaling $SCRATCH_DEV
  23 _scratch_mount
  24
  25 # create files
  26 i=1;
  27 while [ $i -lt 1000 ]
  28 do
  29         file=$SCRATCH_MNT/$i
  30         $XFS_IO_PROG -f -c "pwrite -b 32k -S 0xff 0 32k" $file > /dev/null
  31         if [ $? -ne 0 ]
  32         then
  33                 echo error creating/writing file $file
  34                 exit
  35         fi
  36         $XFS_IO_PROG -c "truncate 64k" $file > /dev/null
  37         if [ $? -ne 0 ]
  38         then
  39                 echo error truncating file $file
  40                 exit
  41         fi
  42         let i=$i+1
  43 done
  44
  45 # give the system a chance to write something out
  46 sleep 10
  47
  48 _scratch_shutdown
  49
  50 _scratch_unmount
  51 _scratch_mount
  52 _scratch_unmount
  53 if [ ! _check_scratch_fs ]
  54 then
  55         echo error detected in filesystem
  56         exit
  57 fi
  58 _scratch_mount
  59
  60 # check file size and contents
  61 i=1;
  62 while [ $i -lt 1000 ]
  63 do
  64         file=$SCRATCH_MNT/$i
  65         # if file does not exist, the create was not logged, skip it
  66         if [ -e $file ]
  67         then
  68                 # if file size is zero it cannot be corrupt, skip it
  69                 if [ -s $file ]
  70                 then
  71                         # if file has non-zero size but no extents then it's contents will be NULLs, bad.
  72                         num_extents=`_count_extents $file`
  73                         if [ $num_extents -eq 0 ]; then
  74                                 echo corrupt file $file - non-zero size but no extents
  75                         else
  76                                 rm -f $file
  77                         fi
  78                 else
  79                         rm -f $file
  80                 fi
  81         fi
  82         let i=$i+1
  83 done
  84
  85 status=0
  86 exit