1#!/bin/bash 2# 3# Test case for qemu-io -c map and qemu-img map 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=mreitz@redhat.com 23 24seq=$(basename $0) 25echo "QA output created by $seq" 26 27here=$PWD 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_qemu 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and qemu instance handling 38. ./common.rc 39. ./common.filter 40. ./common.qemu 41 42_supported_fmt qcow2 43_supported_proto file 44_supported_os Linux 45 46IMG_SIZE=64K 47 48echo 49echo '=== Testing map command on truncated image ===' 50echo 51 52_make_test_img $IMG_SIZE 53# Create cluster 54$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 55# Remove data cluster from image (first cluster: image header, second: reftable, 56# third: refblock, fourth: L1 table, fifth: L2 table) 57$QEMU_IMG resize -f raw --shrink "$TEST_IMG" $((5 * 64 * 1024)) 58 59$QEMU_IO -c map "$TEST_IMG" 60$QEMU_IMG map "$TEST_IMG" 61 62echo 63echo '=== Testing map on an image file truncated outside of qemu ===' 64echo 65 66# Same as above, only now we concurrently truncate and map the image 67_make_test_img $IMG_SIZE 68$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 69 70qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0 71 72$QEMU_IMG resize -f raw --shrink "$TEST_IMG" $((5 * 64 * 1024)) 73 74_send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \ 75 | sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/' 76_send_qemu_cmd $QEMU_HANDLE 'quit' '' 77 78# success, all done 79echo '*** done' 80rm -f $seq.full 81status=0 82