xemu/tests/qemu-iotests/005
Max Reitz 325dd915b2 iotests: Disable broken streamOptimized tests
streamOptimized does not support writes that do not span exactly one
cluster.  Furthermore, it cannot rewrite already allocated clusters.
As such, many iotests do not work with it.  Disable them.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190815153638.4600-6-mreitz@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-09-03 14:55:35 +02:00

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#!/usr/bin/env bash
#
# Make sure qemu-img can create 5TB images
#
# Based on a testcase from Chris Wright,
# https://bugzilla.redhat.com/show_bug.cgi?id=491943
#
# Copyright (C) 2009 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=hch@lst.de
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt generic
_supported_proto generic
_supported_os Linux
_unsupported_imgopts "subformat=twoGbMaxExtentFlat" \
"subformat=twoGbMaxExtentSparse" \
"subformat=streamOptimized"
# vpc is limited to 127GB, so we can't test it here
if [ "$IMGFMT" = "vpc" ]; then
_notrun "image format $IMGFMT does not support large image sizes"
fi
# sheepdog image is limited to 4TB, so we can't test it here
if [ "$IMGPROTO" = "sheepdog" ]; then
_notrun "image protocol $IMGPROTO does not support large image sizes"
fi
# Sanity check: For raw, we require a file system that permits the creation
# of a HUGE (but very sparse) file. Check we can create it before continuing.
if [ "$IMGFMT" = "raw" ]; then
if ! truncate --size=5T "$TEST_IMG"; then
_notrun "file system on $TEST_DIR does not support large enough files"
fi
rm "$TEST_IMG"
fi
echo
echo "creating large image"
_make_test_img 5000G
echo
echo "small read"
$QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io
echo
echo "small write"
$QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full
status=0