325dd915b2
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>
84 lines
2.2 KiB
Bash
Executable file
84 lines
2.2 KiB
Bash
Executable file
#!/usr/bin/env 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 $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt generic
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_supported_proto generic
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_supported_os Linux
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_unsupported_imgopts "subformat=twoGbMaxExtentFlat" \
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"subformat=twoGbMaxExtentSparse" \
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"subformat=streamOptimized"
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# vpc is limited to 127GB, so we can't test it here
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if [ "$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 $IMGPROTO does not support large image sizes"
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fi
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# Sanity check: For raw, we require a file system that permits the creation
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# of a HUGE (but very sparse) file. Check we can create it before continuing.
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if [ "$IMGFMT" = "raw" ]; then
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if ! truncate --size=5T "$TEST_IMG"; then
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_notrun "file system on $TEST_DIR does not support large enough files"
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fi
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rm "$TEST_IMG"
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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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