026

   1 #!/bin/bash
   2 #
   3 # qcow2 error path testing
   4 #
   5 # Copyright (C) 2010 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=kwolf@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33         _cleanup_test_img
  34     rm $TEST_DIR/blkdebug.conf
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41 . ./common.pattern
  42
  43 # Currently only qcow2 supports rebasing
  44 _supported_fmt qcow2
  45 _supported_os Linux
  46
  47
  48 echo "Errors while writing 128 kB"
  49 echo
  50
  51 CLUSTER_SIZE=1024
  52
  53 BLKDBG_TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG"
  54
  55 for event in \
  56     l1_update \
  57     \
  58     l2_load \
  59     l2_update \
  60     l2_alloc.write \
  61     \
  62     write_aio \
  63     \
  64     refblock_load \
  65     refblock_update_part \
  66     refblock_alloc \
  67     \
  68     cluster_alloc \
  69
  70 do
  71
  72 for errno in 5 28; do
  73 for imm in off; do
  74 for once in on off; do
  75 for vmstate in "" "-b"; do
  76
  77 cat > $TEST_DIR/blkdebug.conf <<EOF
  78 [inject-error]
  79 event = "$event"
  80 errno = "$errno"
  81 immediately = "$imm"
  82 once ="$once"
  83 EOF
  84
  85 _make_test_img 1G
  86
  87 echo
  88 echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate"
  89 $QEMU_IO -c "write $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  90
  91 # l2_load is not called on allocation, so issue a second write
  92 # Reads are another path to trigger l2_load, so do a read, too
  93 if [ "$event" == "l2_load" ]; then
  94     $QEMU_IO -c "write $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  95     $QEMU_IO -c "read $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  96 fi
  97
  98 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
  99
 100 done
 101 done
 102 done
 103 done
 104 done
 105
 106
 107 echo
 108 echo === Refcout table growth tests ===
 109 echo
 110 CLUSTER_SIZE=512
 111
 112
 113 for event in \
 114     refblock_alloc.hookup \
 115     refblock_alloc.write \
 116     refblock_alloc.write_blocks \
 117     refblock_alloc.write_table \
 118     refblock_alloc.switch_table \
 119
 120 do
 121
 122 # This one takes a while, so let's test only one error code (ENOSPC should
 123 # never be generated by qemu, so it's probably a good choice)
 124 for errno in 28; do
 125 for imm in off; do
 126 for once in on off; do
 127 for vmstate in "" "-b"; do
 128
 129 cat > $TEST_DIR/blkdebug.conf <<EOF
 130 [inject-error]
 131 event = "$event"
 132 errno = "$errno"
 133 immediately = "$imm"
 134 once = "$once"
 135 EOF
 136
 137 _make_test_img 1G
 138
 139 echo
 140 echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate"
 141 $QEMU_IO -c "write $vmstate 0 64M" $BLKDBG_TEST_IMG | _filter_qemu_io
 142
 143 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
 144
 145 done
 146 done
 147 done
 148 done
 149 done
 150
 151 echo
 152 echo === L1 growth tests ===
 153 echo
 154 CLUSTER_SIZE=1024
 155
 156
 157 for event in \
 158     l1_grow.alloc_table \
 159     l1_grow.write_table \
 160     l1_grow.activate_table \
 161
 162 do
 163
 164 for errno in 5 28; do
 165 for imm in off; do
 166 for once in on off; do
 167
 168 cat > $TEST_DIR/blkdebug.conf <<EOF
 169 [inject-error]
 170 event = "$event"
 171 errno = "$errno"
 172 immediately = "$imm"
 173 once = "$once"
 174 EOF
 175
 176 _make_test_img 1G
 177
 178 echo
 179 echo "Event: $event; errno: $errno; imm: $imm; once: $once"
 180 $QEMU_IO -c "write -b 0 64k" $BLKDBG_TEST_IMG | _filter_qemu_io
 181
 182 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
 183
 184 done
 185 done
 186 done
 187 done
 188
 189 # success, all done
 190 echo "*** done"
 191 rm -f $seq.full
 192 status=0