diff options
Diffstat (limited to 'tests/qemu-iotests/268')
| -rwxr-xr-x | tests/qemu-iotests/268 | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/qemu-iotests/268 b/tests/qemu-iotests/268 new file mode 100755 index 0000000000..78c3f4db3a --- /dev/null +++ b/tests/qemu-iotests/268 @@ -0,0 +1,55 @@ +#!/usr/bin/env bash +# +# Test write request with required alignment larger than the cluster size +# +# Copyright (C) 2019 Igalia, S.L. +# Author: Alberto Garcia <berto@igalia.com> +# +# 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=berto@igalia.com + +seq=`basename $0` +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +_supported_fmt qcow2 +_supported_proto file + +echo +echo "== Required alignment larger than cluster size ==" + +CLUSTER_SIZE=2k _make_test_img 1M +# Since commit c8bb23cbdb writing to an unallocated cluster fills the +# empty COW areas with bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK) +$QEMU_IO -c "open -o driver=$IMGFMT,file.align=4k blkdebug::$TEST_IMG" \ + -c "write 0 512" | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |