| 1 | #!/usr/bin/env bash |
| 2 | # group: rw |
| 3 | # |
| 4 | # qcow2 pattern test with various cluster sizes |
| 5 | # |
| 6 | # Copyright (C) 2009 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=kwolf@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 | . ./common.pattern |
| 40 | |
| 41 | # much of this could be generic for any format supporting compression. |
| 42 | _supported_fmt qcow qcow2 |
| 43 | _supported_proto file |
| 44 | _supported_os Linux |
| 45 | |
| 46 | TEST_OFFSETS="0 4294967296" |
| 47 | TEST_OPS="writev read write readv" |
| 48 | |
| 49 | # Can't use 512 byte clusters, the tests use cluster halves |
| 50 | CLUSTER_SIZES="1024 4096 16384 65536" |
| 51 | |
| 52 | for CLUSTER_SIZE in $CLUSTER_SIZES; do |
| 53 | |
| 54 | echo "Creating new image; cluster size: $CLUSTER_SIZE" |
| 55 | echo |
| 56 | |
| 57 | _make_test_img 8G |
| 58 | |
| 59 | echo "Testing empty image" |
| 60 | echo |
| 61 | |
| 62 | for offset in $TEST_OFFSETS; do |
| 63 | echo "At offset $offset:" |
| 64 | for op in $TEST_OPS; do |
| 65 | io_test $op $offset $CLUSTER_SIZE 3 |
| 66 | done |
| 67 | _check_test_img |
| 68 | done |
| 69 | |
| 70 | echo "Compressing image" |
| 71 | echo |
| 72 | |
| 73 | mv "$TEST_IMG" "$TEST_IMG.orig" |
| 74 | $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" |
| 75 | |
| 76 | echo "Testing compressed image" |
| 77 | echo |
| 78 | |
| 79 | for offset in $TEST_OFFSETS; do |
| 80 | echo "With offset $offset:" |
| 81 | for op in read readv; do |
| 82 | io_test $op $offset $CLUSTER_SIZE 3 |
| 83 | done |
| 84 | _check_test_img |
| 85 | done |
| 86 | |
| 87 | echo "Testing compressed image with odd offsets" |
| 88 | echo |
| 89 | for offset in $TEST_OFFSETS; do |
| 90 | # Some odd offset (1 sector), so tests will write to areas occupied partly |
| 91 | # by old (compressed) data and empty clusters |
| 92 | offset=$((offset + 512)) |
| 93 | echo "With offset $offset:" |
| 94 | for op in $TEST_OPS; do |
| 95 | io_test $op $offset $CLUSTER_SIZE 3 |
| 96 | done |
| 97 | _check_test_img |
| 98 | done |
| 99 | |
| 100 | echo "Creating another new image" |
| 101 | echo |
| 102 | |
| 103 | _make_test_img 8G |
| 104 | |
| 105 | echo "More complex patterns" |
| 106 | echo |
| 107 | |
| 108 | for offset in $TEST_OFFSETS; do |
| 109 | echo test2: With offset $offset |
| 110 | io_test2 $offset $CLUSTER_SIZE 4 |
| 111 | _check_test_img |
| 112 | done |
| 113 | |
| 114 | done |
| 115 | |
| 116 | # success, all done |
| 117 | echo "*** done" |
| 118 | rm -f $seq.full |
| 119 | status=0 |