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 $TEST_DIR/blkdebug.conf
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41 . ./common.pattern
  42
  43 # Currently only qcow2 supports rebasing
  44 _supported_fmt qcow2
  45 _supported_proto generic
  46 _supported_os Linux
  47
  48
  49 echo "Errors while writing 128 kB"
  50 echo
  51
  52 CLUSTER_SIZE=1024
  53
  54 BLKDBG_TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG"
  55
  56 for event in \
  57     l1_update \
  58     \
  59     l2_load \
  60     l2_update \
  61     l2_alloc.write \
  62     \
  63     write_aio \
  64     \
  65     refblock_load \
  66     refblock_update_part \
  67     refblock_alloc \
  68     \
  69     cluster_alloc \
  70
  71 do
  72
  73 for errno in 5 28; do
  74 for imm in off; do
  75 for once in on off; do
  76 for vmstate in "" "-b"; do
  77
  78 cat > $TEST_DIR/blkdebug.conf <<EOF
  79 [inject-error]
  80 event = "$event"
  81 errno = "$errno"
  82 immediately = "$imm"
  83 once ="$once"
  84 EOF
  85
  86 _make_test_img 1G
  87
  88 echo
  89 echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate"
  90 $QEMU_IO -c "write $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  91
  92 # l2_load is not called on allocation, so issue a second write
  93 # Reads are another path to trigger l2_load, so do a read, too
  94 if [ "$event" == "l2_load" ]; then
  95     $QEMU_IO -c "write $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  96     $QEMU_IO -c "read $vmstate 0 128k " $BLKDBG_TEST_IMG | _filter_qemu_io
  97 fi
  98
  99 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
 100
 101 done
 102 done
 103 done
 104 done
 105 done
 106
 107
 108 echo
 109 echo === Refcout table growth tests ===
 110 echo
 111 CLUSTER_SIZE=512
 112
 113
 114 for event in \
 115     refblock_alloc.hookup \
 116     refblock_alloc.write \
 117     refblock_alloc.write_blocks \
 118     refblock_alloc.write_table \
 119     refblock_alloc.switch_table \
 120
 121 do
 122
 123 # This one takes a while, so let's test only one error code (ENOSPC should
 124 # never be generated by qemu, so it's probably a good choice)
 125 for errno in 28; do
 126 for imm in off; do
 127 for once in on off; do
 128 for vmstate in "" "-b"; do
 129
 130 cat > $TEST_DIR/blkdebug.conf <<EOF
 131 [inject-error]
 132 event = "$event"
 133 errno = "$errno"
 134 immediately = "$imm"
 135 once = "$once"
 136 EOF
 137
 138 _make_test_img 1G
 139
 140 echo
 141 echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate"
 142 $QEMU_IO -c "write $vmstate 0 64M" $BLKDBG_TEST_IMG | _filter_qemu_io
 143
 144 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
 145
 146 done
 147 done
 148 done
 149 done
 150 done
 151
 152 echo
 153 echo === L1 growth tests ===
 154 echo
 155 CLUSTER_SIZE=1024
 156
 157
 158 for event in \
 159     l1_grow.alloc_table \
 160     l1_grow.write_table \
 161     l1_grow.activate_table \
 162
 163 do
 164
 165 for errno in 5 28; do
 166 for imm in off; do
 167 for once in on off; do
 168
 169 cat > $TEST_DIR/blkdebug.conf <<EOF
 170 [inject-error]
 171 event = "$event"
 172 errno = "$errno"
 173 immediately = "$imm"
 174 once = "$once"
 175 EOF
 176
 177 _make_test_img 1G
 178
 179 echo
 180 echo "Event: $event; errno: $errno; imm: $imm; once: $once"
 181 $QEMU_IO -c "write -b 0 64k" $BLKDBG_TEST_IMG | _filter_qemu_io
 182
 183 $QEMU_IMG check $TEST_IMG 2>&1 | grep -v "refcount=1 reference=0"
 184
 185 done
 186 done
 187 done
 188 done
 189
 190 # success, all done
 191 echo "*** done"
 192 rm -f $seq.full
 193 status=0