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1#!/usr/bin/env bash 2# group: rw auto backing quick 3# 4# Test qcow2's bdrv_make_empty for images without internal snapshots 5# 6# Copyright (C) 2014 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 23owner=mreitz@redhat.com 24 25seq="$(basename $0)" 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 rm -f "$TEST_DIR/blkdebug.conf" 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40. ./common.pattern 41 42_supported_fmt qcow2 43_supported_proto file fuse 44# The code path we want to test here only works for compat=1.1 images; 45# blkdebug can only inject errors on bs->file, so external data files 46# do not work with this test 47_unsupported_imgopts 'compat=0.10' data_file 48 49for event in l1_update empty_image_prepare reftable_update refblock_alloc; do 50 51echo 52echo "=== $event ===" 53echo 54 55TEST_IMG="$TEST_IMG.base" _make_test_img 64M 56_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M 57 58# Some data that can be leaked when emptying the top image 59$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 60 61cat > "$TEST_DIR/blkdebug.conf" <<EOF 62[inject-error] 63event = "$event" 64EOF 65 66$QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \ 67 | _filter_testdir | _filter_imgfmt 68 69# There may be errors, but they should be fixed by opening the image 70$QEMU_IO -c close "$TEST_IMG" 71 72_check_test_img 73 74done 75 76 77rm -f "$TEST_DIR/blkdebug.conf" 78 79# success, all done 80echo "*** done" 81rm -f $seq.full 82status=0