tests/qemu-iotests/204

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # Test corner cases with unusual block geometries
   5 #
   6 # Copyright (C) 2016-2018 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will 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.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=eblake@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt qcow2
  41 _supported_proto file fuse
  42 # This test assumes that discard leaves zero clusters; see test 177 for
  43 # other tests that also work in older images
  44 _unsupported_imgopts 'compat=0.10'
  45
  46 CLUSTER_SIZE=1M
  47 size=128M
  48 options=driver=blkdebug,image.driver=qcow2
  49 nested_opts=image.file.driver=file,image.file.filename=$TEST_IMG
  50
  51 echo
  52 echo "== setting up files =="
  53
  54 TEST_IMG="$TEST_IMG.base" _make_test_img $size
  55 $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io
  56 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
  57 $QEMU_IO -c "write -P 22 0 110M" "$TEST_IMG" | _filter_qemu_io
  58
  59 # Limited to 64k max-transfer
  60 echo
  61 echo "== constrained alignment and max-transfer =="
  62 limits=align=4k,max-transfer=64k
  63 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
  64          -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io
  65
  66 echo
  67 echo "== write zero with constrained max-transfer =="
  68 limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE
  69 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
  70          -c "write -z 8003584 2093056" | _filter_qemu_io
  71
  72 # non-power-of-2 write-zero/discard alignments
  73 echo
  74 echo "== non-power-of-2 write zeroes limits =="
  75
  76 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
  77 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
  78          -c "write -z 32M 32M" | _filter_qemu_io
  79
  80 echo
  81 echo "== non-power-of-2 discard limits =="
  82
  83 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
  84 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
  85          -c "discard 80000001 30M" | _filter_qemu_io
  86
  87 echo
  88 echo "== block status smaller than alignment =="
  89 limits=align=4k
  90 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
  91          -c "alloc 1 1" -c "alloc 0x6dffff0 1000" -c "alloc 127m 5P" \
  92          -c map | _filter_qemu_io
  93
  94 echo
  95 echo "== verify image content =="
  96
  97 verify_io()
  98 {
  99     echo read -P 22 0 1000
 100     echo read -P 33 1000 128k
 101     echo read -P 22 132072 7871512
 102     echo read -P 0 8003584 2093056
 103     echo read -P 22 10096640 23457792
 104     echo read -P 0 32M 32M
 105     echo read -P 22 64M 13M
 106     echo read -P 0 77M 29M
 107     echo read -P 22 106M 4M
 108     echo read -P 11 110M 18M
 109 }
 110
 111 verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io
 112 $QEMU_IMG map --image-opts "$options,$nested_opts,align=4k" \
 113     | _filter_qemu_img_map
 114
 115 _check_test_img
 116
 117 # success, all done
 118 echo "*** done"
 119 status=0