8ff9ae00da
According comment, we should not read again, we will write. Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
74 lines
1.8 KiB
Bash
Executable File
74 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Make sure qemu-img can create 5TB images
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#
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# Based on a testcase from Chris Wright,
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# https://bugzilla.redhat.com/show_bug.cgi?id=491943
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=hch@lst.de
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt generic
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_supported_proto generic
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_supported_os Linux
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# vpc is limited to 127GB, so we can't test it here
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if [ "$IMGFMT" = "vpc" ]; then
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_notrun "image format $IMGFMT does not support large image sizes"
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fi
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# sheepdog image is limited to 4TB, so we can't test it here
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if [ "$IMGPROTO" = "sheepdog" ]; then
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_notrun "image protocol $IMGPROTO does not support large image sizes"
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fi
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echo
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echo "creating large image"
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_make_test_img 5000G
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echo
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echo "small read"
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$QEMU_IO -c "read 1024 4096" $TEST_IMG | _filter_qemu_io
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echo
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echo "small write"
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$QEMU_IO -c "write 8192 4096" $TEST_IMG | _filter_qemu_io
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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