|  | #!/usr/bin/env bash | 
|  | # group: rw auto backing quick | 
|  | # | 
|  | # Test qcow2's bdrv_make_empty for images without internal snapshots | 
|  | # | 
|  | # Copyright (C) 2014 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=hreitz@redhat.com | 
|  |  | 
|  | seq="$(basename $0)" | 
|  | echo "QA output created by $seq" | 
|  |  | 
|  | status=1	# failure is the default! | 
|  |  | 
|  | _cleanup() | 
|  | { | 
|  | _cleanup_test_img | 
|  | rm -f "$TEST_DIR/blkdebug.conf" | 
|  | } | 
|  | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
|  |  | 
|  | # get standard environment, filters and checks | 
|  | . ./common.rc | 
|  | . ./common.filter | 
|  | . ./common.pattern | 
|  |  | 
|  | _supported_fmt qcow2 | 
|  | _supported_proto file fuse | 
|  | # The code path we want to test here only works for compat=1.1 images; | 
|  | # blkdebug can only inject errors on bs->file, so external data files | 
|  | # do not work with this test | 
|  | _unsupported_imgopts 'compat=0.10' data_file | 
|  |  | 
|  | for event in l1_update empty_image_prepare reftable_update refblock_alloc; do | 
|  |  | 
|  | echo | 
|  | echo "=== $event ===" | 
|  | echo | 
|  |  | 
|  | TEST_IMG="$TEST_IMG.base" _make_test_img 64M | 
|  | _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M | 
|  |  | 
|  | # Some data that can be leaked when emptying the top image | 
|  | $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io | 
|  |  | 
|  | cat > "$TEST_DIR/blkdebug.conf" <<EOF | 
|  | [inject-error] | 
|  | event = "$event" | 
|  | EOF | 
|  |  | 
|  | $QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \ | 
|  | | _filter_testdir | _filter_imgfmt | 
|  |  | 
|  | # There may be errors, but they should be fixed by opening the image | 
|  | $QEMU_IO -c close "$TEST_IMG" | 
|  |  | 
|  | _check_test_img | 
|  |  | 
|  | done | 
|  |  | 
|  |  | 
|  | rm -f "$TEST_DIR/blkdebug.conf" | 
|  |  | 
|  | # success, all done | 
|  | echo "*** done" | 
|  | rm -f $seq.full | 
|  | status=0 |