tests/generic/049

   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. 049
   6 #
   7 # Test for NULL files problem
   8 # test inode size is on disk after sync - expose log replay bug
   9 #
  10 . ./common/preamble
  11 _begin_fstest shutdown metadata rw auto
  12
  13 # Import common functions.
  14 . ./common/filter
  15
  16 # real QA test starts here
  17 _supported_fs generic
  18
  19 _require_scratch
  20 _require_scratch_shutdown
  21 _require_xfs_io_command "fiemap"
  22 _scratch_mkfs >/dev/null 2>&1
  23 _require_metadata_journaling $SCRATCH_DEV
  24 _scratch_mount
  25
  26 _check_files()
  27 {
  28         # check file size and contents
  29         i=1;
  30         while [ $i -lt 1000 ]
  31         do
  32                 file=$SCRATCH_MNT/$i
  33                 # if file is missing then sync failed
  34                 if [ -e $file ]
  35                 then
  36                         # if file size is not 32KB then sync failed
  37                         if [ `ls -l $file | tr -s ' ' | cut -d ' ' -f 5` -eq 32768 ]
  38                         then
  39                                 # if file has non-zero size but no extents then it's contents will be NULLs, bad.
  40                                 num_extents=`_count_extents $file`
  41                                 if [ $num_extents -eq 0 ]; then
  42                                         echo corrupt file $file - non-zero size but no extents
  43                                 else
  44                                         rm -f $file
  45                                 fi
  46                         else
  47                                 echo file $file has incorrect size - sync failed
  48                         fi
  49                 else
  50                         echo file $file missing - sync failed
  51                 fi
  52                 let i=$i+1
  53         done
  54 }
  55
  56 # create files and sync them
  57 i=1;
  58 while [ $i -lt 1000 ]
  59 do
  60         file=$SCRATCH_MNT/$i
  61         $XFS_IO_PROG -f -c "pwrite -b 32k -S 0xff 0 32k" $file > /dev/null
  62         if [ $? -ne 0 ]
  63         then
  64                 echo error creating/writing file $file
  65                 exit
  66         fi
  67         let i=$i+1
  68 done
  69
  70 # sync, then shutdown immediately after, then remount and test
  71 sync
  72 _scratch_shutdown
  73 _scratch_unmount
  74 _scratch_mount
  75 _scratch_unmount
  76 if [ ! _check_scratch_fs ]
  77 then
  78         echo error detected in filesystem
  79         exit
  80 fi
  81 _scratch_mount
  82 _check_files
  83
  84 status=0
  85 exit