1#!/bin/bash 2# 3# Create, read, write big image 4# 5# Copyright (C) 2014 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 22owner=famz@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32} 33trap "_cleanup; exit \$status" 0 1 2 3 15 34 35# get standard environment, filters and checks 36. ./common.rc 37. ./common.filter 38 39_supported_fmt qcow2 vmdk vhdx qed 40_supported_proto generic 41_supported_os Linux 42_unsupported_imgopts "subformat=twoGbMaxExtentFlat" \ 43 "subformat=twoGbMaxExtentSparse" 44 45echo 46echo "creating large image" 47_make_test_img 16T 48 49echo 50echo "small read" 51$QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io 52 53echo 54echo "small write" 55$QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io 56 57echo 58echo "small read at high offset" 59$QEMU_IO -c "read 14T 4096" "$TEST_IMG" | _filter_qemu_io 60 61echo 62echo "small write at high offset" 63$QEMU_IO -c "write 14T 4096" "$TEST_IMG" | _filter_qemu_io 64 65# success, all done 66echo "*** done" 67rm -f $seq.full 68status=0 69