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1 #!/usr/bin/env bash 2 # group: rw auto 3 # 4 # qcow2 pattern test, empty and compressed image - 4k cluster patterns 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 CLUSTER_SIZE=4096 49 50 _make_test_img 6G 51 52 echo "Testing empty image" 53 echo 54 55 for offset in $TEST_OFFSETS; do 56 echo "At offset $offset:" 57 for op in $TEST_OPS; do 58 io_test $op $offset $CLUSTER_SIZE 8 59 done 60 _check_test_img 61 done 62 63 64 echo "Compressing image" 65 echo 66 67 mv "$TEST_IMG" "$TEST_IMG.orig" 68 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" 69 70 echo "Testing compressed image" 71 echo 72 73 for offset in $TEST_OFFSETS; do 74 echo "With offset $offset:" 75 for op in read readv; do 76 io_test $op $offset $CLUSTER_SIZE 8 77 done 78 _check_test_img 79 done 80 81 echo "Testing compressed image with odd offsets" 82 echo 83 for offset in $TEST_OFFSETS; do 84 # Some odd offset (1 sector), so tests will write to areas occupied partly 85 # by old (compressed) data and empty clusters 86 offset=$((offset + 512)) 87 echo "With offset $offset:" 88 for op in $TEST_OPS; do 89 io_test $op $offset $CLUSTER_SIZE 8 90 done 91 _check_test_img 92 done 93 94 # success, all done 95 echo "*** done" 96 rm -f $seq.full 97 status=0