4 # Test for NULL files problem
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2006 Silicon Graphics, Inc. All Rights Reserved.
9 # This program is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation.
13 # This program is distributed in the hope that it would be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write the Free Software Foundation,
20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
28 echo "QA output created by $seq"
32 status=1 # failure is the default!
33 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
44 # real QA test starts here
46 _supported_os Linux IRIX
50 _scratch_mkfs_xfs >/dev/null 2>&1
58 xfs_io -f -c "pwrite -b 64k -S 0xff 0 64k" $file > /dev/null
61 echo error creating/writing file $file
64 xfs_io -c "truncate 32k" $file > /dev/null
67 echo error truncating file $file
73 # give the system a chance to write something out
76 src/godown $SCRATCH_MNT
81 if [ ! _check_scratch_fs ]
83 echo error detected in filesystem
88 # check file size and contents
93 # if file does not exist, the create was not logged, skip it
96 # if file size is zero it cannot be corrupt, skip it
99 # if file has non-zero size but no extents then it's contents will be NULLs, bad.
100 if xfs_bmap $file | grep 'no extents' > /dev/null
102 echo corrupt file $file - non-zero size but no extents
103 elif xfs_bmap $file | grep 'hole' > /dev/null
105 echo corrupt file $file - contains holes