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 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
43 # real QA test starts here
45 _supported_os Linux IRIX
49 _scratch_mkfs_xfs >/dev/null 2>&1
57 xfs_io -f -c "pwrite -b 64k -S 0xff 0 64k" $file > /dev/null
60 echo error creating/writing file $file
63 xfs_io -c "truncate 32k" $file > /dev/null
66 echo error truncating file $file
72 # give the system a chance to write something out
75 src/godown $SCRATCH_MNT
80 if [ ! _check_scratch_fs ]
82 echo error detected in filesystem
87 # check file size and contents
92 # if file does not exist, the create was not logged, skip it
95 # if file size is zero it cannot be corrupt, skip it
98 # if file has non-zero size but no extents then it's contents will be NULLs, bad.
99 if xfs_bmap $file | grep 'no extents' > /dev/null
101 echo corrupt file $file - non-zero size but no extents
102 elif xfs_bmap $file | grep 'hole' > /dev/null
104 echo corrupt file $file - contains holes