1c264e5d2SMax Reitz#!/usr/bin/env bash 2c264e5d2SMax Reitz# 3c264e5d2SMax Reitz# qcow2 v3-exclusive error path testing 4c264e5d2SMax Reitz# (026 tests paths common to v2 and v3) 5c264e5d2SMax Reitz# 6c264e5d2SMax Reitz# Copyright (C) 2020 Red Hat, Inc. 7c264e5d2SMax Reitz# 8c264e5d2SMax Reitz# This program is free software; you can redistribute it and/or modify 9c264e5d2SMax Reitz# it under the terms of the GNU General Public License as published by 10c264e5d2SMax Reitz# the Free Software Foundation; either version 2 of the License, or 11c264e5d2SMax Reitz# (at your option) any later version. 12c264e5d2SMax Reitz# 13c264e5d2SMax Reitz# This program is distributed in the hope that it will be useful, 14c264e5d2SMax Reitz# but WITHOUT ANY WARRANTY; without even the implied warranty of 15c264e5d2SMax Reitz# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16c264e5d2SMax Reitz# GNU General Public License for more details. 17c264e5d2SMax Reitz# 18c264e5d2SMax Reitz# You should have received a copy of the GNU General Public License 19c264e5d2SMax Reitz# along with this program. If not, see <http://www.gnu.org/licenses/>. 20c264e5d2SMax Reitz# 21c264e5d2SMax Reitz 22c264e5d2SMax Reitzseq=$(basename $0) 23c264e5d2SMax Reitzecho "QA output created by $seq" 24c264e5d2SMax Reitz 25c264e5d2SMax Reitzstatus=1 # failure is the default! 26c264e5d2SMax Reitz 27c264e5d2SMax Reitz_cleanup() 28c264e5d2SMax Reitz{ 29c264e5d2SMax Reitz _cleanup_test_img 30c264e5d2SMax Reitz rm "$TEST_DIR/blkdebug.conf" 31c264e5d2SMax Reitz rm -f "$TEST_IMG.data_file" 32c264e5d2SMax Reitz} 33c264e5d2SMax Reitztrap "_cleanup; exit \$status" 0 1 2 3 15 34c264e5d2SMax Reitz 35c264e5d2SMax Reitz# get standard environment, filters and checks 36c264e5d2SMax Reitz. ./common.rc 37c264e5d2SMax Reitz. ./common.filter 38c264e5d2SMax Reitz. ./common.pattern 39c264e5d2SMax Reitz 40c264e5d2SMax Reitz_supported_fmt qcow2 41*57284d2aSMax Reitz_supported_proto file fuse 42c264e5d2SMax Reitz# This is a v3-exclusive test; 43c264e5d2SMax Reitz# As for data_file, error paths often very much depend on whether 44c264e5d2SMax Reitz# there is an external data file or not; so we create one exactly when 45c264e5d2SMax Reitz# we want to test it 46c264e5d2SMax Reitz_unsupported_imgopts 'compat=0.10' data_file 47c264e5d2SMax Reitz 48c264e5d2SMax Reitzecho 49c264e5d2SMax Reitzecho === Avoid freeing external data clusters on failure === 50c264e5d2SMax Reitzecho 51c264e5d2SMax Reitz 52c264e5d2SMax Reitzcat > "$TEST_DIR/blkdebug.conf" <<EOF 53c264e5d2SMax Reitz[inject-error] 54c264e5d2SMax Reitzevent = "write_aio" 55c264e5d2SMax Reitzerrno = "5" 56c264e5d2SMax Reitzonce = "on" 57c264e5d2SMax ReitzEOF 58c264e5d2SMax Reitz 59c264e5d2SMax Reitz# Test what happens when there is an error when writing to an external 60c264e5d2SMax Reitz# data file instead of when writing to a preallocated zero cluster 61c264e5d2SMax Reitz_make_test_img -o "data_file=$TEST_IMG.data_file" 64k 62c264e5d2SMax Reitz 63c264e5d2SMax Reitz# Put blkdebug above the data-file, and a raw node on top of that so 64c264e5d2SMax Reitz# that blkdebug will see a write_aio event and emit an error. This 65c264e5d2SMax Reitz# will then trigger the alloc abort code, which we want to test here. 66c264e5d2SMax Reitz$QEMU_IO -c "write 0 64k" \ 67c264e5d2SMax Reitz "json:{ 68c264e5d2SMax Reitz 'driver': 'qcow2', 69c264e5d2SMax Reitz 'file': { 'driver': 'file', 'filename': '$TEST_IMG' }, 70c264e5d2SMax Reitz 'data-file': { 71c264e5d2SMax Reitz 'driver': 'raw', 72c264e5d2SMax Reitz 'file': { 73c264e5d2SMax Reitz 'driver': 'blkdebug', 74c264e5d2SMax Reitz 'config': '$TEST_DIR/blkdebug.conf', 75c264e5d2SMax Reitz 'image': { 76c264e5d2SMax Reitz 'driver': 'file', 77c264e5d2SMax Reitz 'filename': '$TEST_IMG.data_file' 78c264e5d2SMax Reitz } 79c264e5d2SMax Reitz } 80c264e5d2SMax Reitz } 81c264e5d2SMax Reitz }" \ 82c264e5d2SMax Reitz | _filter_qemu_io 83c264e5d2SMax Reitz 84c264e5d2SMax Reitz_check_test_img 85c264e5d2SMax Reitz 86c264e5d2SMax Reitz# success, all done 87c264e5d2SMax Reitzecho "*** done" 88c264e5d2SMax Reitzrm -f $seq.full 89c264e5d2SMax Reitzstatus=0 90