#!/usr/bin/env bash # group: rw # # qcow2 pattern test with various cluster sizes # # Copyright (C) 2009 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=kwolf@redhat.com seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! _cleanup() { _cleanup_test_img } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.pattern # much of this could be generic for any format supporting compression. _supported_fmt qcow qcow2 _supported_proto file _supported_os Linux TEST_OFFSETS="0 4294967296" TEST_OPS="writev read write readv" # Can't use 512 byte clusters, the tests use cluster halves CLUSTER_SIZES="1024 4096 16384 65536" for CLUSTER_SIZE in $CLUSTER_SIZES; do echo "Creating new image; cluster size: $CLUSTER_SIZE" echo _make_test_img 8G echo "Testing empty image" echo for offset in $TEST_OFFSETS; do echo "At offset $offset:" for op in $TEST_OPS; do io_test $op $offset $CLUSTER_SIZE 3 done _check_test_img done echo "Compressing image" echo mv "$TEST_IMG" "$TEST_IMG.orig" $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" echo "Testing compressed image" echo for offset in $TEST_OFFSETS; do echo "With offset $offset:" for op in read readv; do io_test $op $offset $CLUSTER_SIZE 3 done _check_test_img done echo "Testing compressed image with odd offsets" echo for offset in $TEST_OFFSETS; do # Some odd offset (1 sector), so tests will write to areas occupied partly # by old (compressed) data and empty clusters offset=$((offset + 512)) echo "With offset $offset:" for op in $TEST_OPS; do io_test $op $offset $CLUSTER_SIZE 3 done _check_test_img done echo "Creating another new image" echo _make_test_img 8G echo "More complex patterns" echo for offset in $TEST_OFFSETS; do echo test2: With offset $offset io_test2 $offset $CLUSTER_SIZE 4 _check_test_img done done # success, all done echo "*** done" rm -f $seq.full status=0