tests/generic/047

   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. 047
   6 #
   7 # Test for NULL files problem
   8 # test inode size is on disk after fsync
   9 #
  10 seq=`basename $0`
  11 seqres=$RESULT_DIR/$seq
  12 echo "QA output created by $seq"
  13
  14 here=`pwd`
  15 tmp=/tmp/$$
  16 status=1    # failure is the default!
  17 trap "exit \$status" 0 1 2 3 15
  18
  19 # get standard environment, filters and checks
  20 . ./common/rc
  21 . ./common/filter
  22
  23 # real QA test starts here
  24 _supported_fs generic
  25 _supported_os Linux
  26
  27 _require_scratch
  28 _require_scratch_shutdown
  29 _require_xfs_io_command "fiemap"
  30 _scratch_mkfs >/dev/null 2>&1
  31 _require_metadata_journaling $SCRATCH_DEV
  32 _scratch_mount
  33
  34 _check_files()
  35 {
  36         # check file size and contents
  37         i=1;
  38         while [ $i -lt 1000 ]
  39         do
  40                 file=$SCRATCH_MNT/$i
  41                 # if file is missing then fsync failed
  42                 if [ -e $file ]
  43                 then
  44                         # if file size is not 32KB then fsync failed
  45                         if [ `ls -l $file | tr -s ' ' | cut -d ' ' -f 5` -eq 32768 ]
  46                         then
  47                                 # if file has non-zero size but no extents then it's contents will be NULLs, bad.
  48                                 num_extents=`_count_extents $file`
  49                                 if [ $num_extents -eq 0 ]; then
  50                                         echo corrupt file $file - non-zero size but no extents
  51                                 else
  52                                         rm -f $file
  53                                 fi
  54                         else
  55                                 echo file $file has incorrect size - fsync failed
  56                         fi
  57                 else
  58                         echo file $file missing - fsync failed
  59                 fi
  60                 let i=$i+1
  61         done
  62 }
  63
  64 # create files and fsync them
  65 i=1;
  66 while [ $i -lt 1000 ]
  67 do
  68         file=$SCRATCH_MNT/$i
  69         $XFS_IO_PROG -f -c "pwrite -b 32k -S 0xff 0 32k" -c "fsync" $file > /dev/null
  70         if [ $? -ne 0 ]
  71         then
  72                 echo error creating/writing file $file
  73                 exit
  74         fi
  75         let i=$i+1
  76 done
  77
  78 # shutdown immediately after, then remount and test
  79 _scratch_shutdown
  80 _scratch_unmount
  81 _scratch_mount
  82 _scratch_unmount
  83 if [ ! _check_scratch_fs ]
  84 then
  85         echo error detected in filesystem
  86         exit
  87 fi
  88 _scratch_mount
  89 _check_files
  90
  91 status=0
  92 exit