ecd792fd21
reopening is currently not supported. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
115 lines
2.8 KiB
Bash
Executable File
115 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Commit changes to backing file
|
|
#
|
|
# 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=kwolf@redhat.com
|
|
|
|
seq=`basename $0`
|
|
echo "QA output created by $seq"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
rm -f "$TEST_IMG.base"
|
|
rm -f "$TEST_IMG.orig"
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
. ./common.pattern
|
|
|
|
# Any format supporting backing files
|
|
_supported_fmt qcow qcow2 vmdk qed
|
|
_supported_proto generic
|
|
_supported_os Linux
|
|
_unsupported_imgopts "subformat=monolithicFlat" \
|
|
"subformat=twoGbMaxExtentFlat" \
|
|
"subformat=twoGbMaxExtentSparse"
|
|
|
|
# NFS does not support bdrv_reopen_prepare thus qemu-img commit fails.
|
|
if [ "$IMGPROTO" = "nfs" ]; then
|
|
_notrun "image protocol $IMGPROTO does not support bdrv_commit"
|
|
fi
|
|
|
|
TEST_OFFSETS="0 4294967296"
|
|
|
|
_make_test_img 6G
|
|
|
|
echo "Filling base image"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io writev $(( offset )) 512 1024 64
|
|
|
|
# Complete backing clusters
|
|
io writev $(( offset + 64 * 1024)) 65536 65536 1
|
|
done
|
|
_check_test_img
|
|
|
|
echo "Creating test image with backing file"
|
|
echo
|
|
|
|
mv "$TEST_IMG" "$TEST_IMG.base"
|
|
_make_test_img -b "$TEST_IMG.base" 6G
|
|
|
|
echo "Filling test image"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io writev $(( offset + 512 )) 512 1024 64
|
|
|
|
# Complete test image clusters
|
|
io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1
|
|
done
|
|
_check_test_img
|
|
|
|
$QEMU_IMG commit "$TEST_IMG"
|
|
mv "$TEST_IMG.base" "$TEST_IMG"
|
|
|
|
echo "Reading from the backing file"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io readv $(( offset )) 512 1024 64
|
|
io readv $(( offset + 512 )) 512 1024 64
|
|
|
|
# Complete test image clusters
|
|
io readv $(( offset + 64 * 1024)) 65536 65536 1
|
|
io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1
|
|
|
|
# Empty sectors
|
|
io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1
|
|
done
|
|
_check_test_img
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|