5 # create a large fragmented file and check that xfs_fsr doesn't corrupt
6 # it or the other contents of the filesystem
8 #-----------------------------------------------------------------------
9 # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
11 # This program is free software; you can redistribute it and/or
12 # modify it under the terms of the GNU General Public License as
13 # published by the Free Software Foundation.
15 # This program is distributed in the hope that it would be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program; if not, write the Free Software Foundation,
22 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 #-----------------------------------------------------------------------
29 seqres=$RESULT_DIR/$seq
30 echo "QA output created by $seq"
34 status=1 # failure is the default!
41 trap "_cleanup ; exit \$status" 0 1 2 3 15
43 # get standard environment, filters and checks
47 # real QA test starts here
49 _supported_os IRIX Linux
53 [ "$XFS_FSR_PROG" = "" ] && _notrun "xfs_fsr not found"
57 perl -e "\$manifest=\"$tmp.manifest\";" -e '
58 open MANIFEST, $manifest;
61 open MANIFEST, ">$manifest";
62 for ($i = 0; $i < @in; $i++) {
63 if (($i+1) % 2 == 0) {
64 # remove every second file
66 if (unlink($s) != 1) {
67 print "_cull_files: could not delete \"$s\"\n";
72 print MANIFEST $in[$i];
79 # create a large contiguous file using dd
80 # use fill2fs to fill the filesystem up with 4k sized files
81 # fill any remaining space using dd
82 # delete every second 4k file - remaining free space should be fragmented
83 # use fill2 to generate a very large file - run it until it fails producing a truncated file
84 # delete the dd-generated file
85 # run xfs_fsr on the filesystem
86 # check checksums for remaining files
87 # create 3 minimum sized (16Mb) allocation groups
88 # xfs_repair is going to need three to verify the superblock
91 _do_die_on_error=message_only
93 echo -n "Make a 48 megabyte filesystem on SCRATCH_DEV and mount... "
94 _scratch_mkfs_xfs -dsize=48m,agcount=3 2>&1 >/dev/null || _fail "mkfs failed"
95 _scratch_mount || _fail "mount failed"
99 echo -n "Reserve 16 1Mb unfragmented regions... "
100 for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
102 _do "$XFS_IO_PROG -f -c \"resvsp 0 1m\" $SCRATCH_MNT/hole$i"
103 _do "$XFS_IO_PROG -f -c \"resvsp 0 4k\" $SCRATCH_MNT/space$i"
104 _do "$XFS_IO_PROG -f -c \"resvsp 0 1m\" $SCRATCH_MNT/hole$i"
105 _do "xfs_bmap -vp $SCRATCH_MNT/hole$i"
110 echo -n "Fill filesystem with fill file... "
111 for i in `seq 0 1 31`; do
112 _do "$XFS_IO_PROG -fs -c \"pwrite -S$i ${i}m 1m\" $SCRATCH_MNT/fill"
114 _do "xfs_bmap -vp $SCRATCH_MNT/fill"
116 # flush the filesystem - make sure there is no space "lost" to pre-allocation
117 _do "umount $SCRATCH_MNT"
119 echo -n "Use up any further available space using dd... "
120 _do "dd if=/dev/zero of=$SCRATCH_MNT/pad bs=4096"
123 # create fragmented file
124 #_do "Delete every second file" "_cull_files"
125 echo -n "Punch every second 4k block... "
126 for i in `seq 0 8 32768`; do
127 # This generates excessive output that significantly slows down the
128 # test. It's not necessary for debug, so just bin it.
129 $XFS_IO_PROG -f -c "unresvsp ${i}k 4k" $SCRATCH_MNT/fill \
132 _do "xfs_bmap -vp $SCRATCH_MNT/fill"
133 _do "sum $SCRATCH_MNT/fill >$tmp.fillsum1"
136 echo -n "Create one very large file... "
137 _do "src/fill2 -d nbytes=16000000,file=$SCRATCH_MNT/fragmented"
139 _do "xfs_bmap -v $SCRATCH_MNT/fragmented"
140 _do "sum $SCRATCH_MNT/fragmented >$tmp.sum1"
141 _do "Remove other files" "rm -rf $SCRATCH_MNT/{pad,hole*}"
144 _do "Run xfs_fsr on filesystem" "$XFS_FSR_PROG -v $SCRATCH_MNT/fragmented"
145 _do "xfs_bmap -v $SCRATCH_MNT/fragmented"
147 echo -n "Check fill file... "
148 _do "sum $SCRATCH_MNT/fill >$tmp.fillsum2"
149 if ! _do "diff $tmp.fillsum1 $tmp.fillsum2"; then
151 echo "Fill file is corrupt/missing after fsr. Test failed see $seqres.full"
157 echo -n "Check large file... "
158 _do "sum $SCRATCH_MNT/fragmented >$tmp.sum2"
159 if ! _do "diff $tmp.sum1 $tmp.sum2"; then
161 echo "File is corrupt/missing after fsr. Test failed see $seqres.full"
165 _do "Checking filesystem" "_check_scratch_fs"
168 echo "xfs_fsr tests passed."