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 #-----------------------------------------------------------------------
31 echo "QA output created by $seq"
35 status=1 # failure is the default!
42 trap "_cleanup ; exit \$status" 0 1 2 3 15
44 # get standard environment, filters and checks
48 # real QA test starts here
50 _supported_os IRIX Linux
54 [ "$XFS_FSR_PROG" = "" ] && _notrun "xfs_fsr not found"
58 perl -e "\$manifest=\"$tmp.manifest\";" -e '
59 open MANIFEST, $manifest;
62 open MANIFEST, ">$manifest";
63 for ($i = 0; $i < @in; $i++) {
64 if (($i+1) % 2 == 0) {
65 # remove every second file
67 if (unlink($s) != 1) {
68 print "_cull_files: could not delete \"$s\"\n";
73 print MANIFEST $in[$i];
80 # create a large contiguous file using dd
81 # use fill2fs to fill the filesystem up with 4k sized files
82 # fill any remaining space using dd
83 # delete every second 4k file - remaining free space should be fragmented
84 # use fill2 to generate a very large file - run it until it fails producing a truncated file
85 # delete the dd-generated file
86 # run xfs_fsr on the filesystem
87 # check checksums for remaining files
88 # create 3 minimum sized (16Mb) allocation groups
89 # xfs_repair is going to need three to verify the superblock
92 _do_die_on_error=message_only
94 echo -n "Make a 48 megabyte filesystem on SCRATCH_DEV and mount... "
95 _scratch_mkfs_xfs -dsize=48m,agcount=3 2>&1 >/dev/null || _fail "mkfs failed"
96 _scratch_mount || _fail "mount failed"
100 echo -n "Reserve 16 1Mb unfragmented regions... "
101 for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
103 _do "dd if=/dev/zero of=$SCRATCH_MNT/hole$i bs=4096 count=256"
104 _do "dd if=/dev/zero of=$SCRATCH_MNT/space$i bs=4096 count=1"
105 _do "xfs_bmap -v $SCRATCH_MNT/hole$i"
110 echo -n "Fill filesystem with 4k files, generate manifest... "
111 fill_options="--verbose --seed=0 --filesize=4096 --stddev=0 --sync=1000000"
112 _do "src/fill2fs $fill_options --dir=$SCRATCH_MNT/fill --list=- > $tmp.manifest"
114 # flush the filesystem - make sure there is no space "lost" to pre-allocation
115 _do "umount $SCRATCH_MNT"
117 echo -n "Use up any further available space using dd... "
118 _do "dd if=/dev/zero of=$SCRATCH_MNT/pad bs=4096"
121 # create fragmented file
122 _do "Delete every second file" "_cull_files"
123 echo -n "Create one very large file... "
124 _do "src/fill2 -d nbytes=16000000,file=$SCRATCH_MNT/fragmented"
126 _do "xfs_bmap -v $SCRATCH_MNT/fragmented"
127 _do "sum $SCRATCH_MNT/fragmented >$tmp.sum1"
128 _do "Remove other files" "rm -rf $SCRATCH_MNT/{pad,hole*}"
131 _do "Run xfs_fsr on filesystem" "$XFS_FSR_PROG -v $SCRATCH_MNT/fragmented"
132 _do "xfs_bmap -v $SCRATCH_MNT/fragmented"
133 _do "Check 4k files" "src/fill2fs_check $tmp.manifest"
136 echo -n "Check large file... "
137 _do "sum $SCRATCH_MNT/fragmented >$tmp.sum2"
138 if ! _do "diff $tmp.sum1 $tmp.sum2"; then
140 echo "File is corrupt/missing after fsr. Test failed see $seq.full"
144 _do "Checking filesystem" "_check_scratch_fs"
147 echo "xfs_fsr tests passed."