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2e3becf9d7
Fixes:5d72c68b49Fixes:cf2d1203dcSigned-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200617104822.27525-6-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
103 lines
3.4 KiB
Bash
Executable File
103 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# qemu-img measure sub-command tests on huge qcow2 files
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#
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# Copyright (C) 2017-2020 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=eblake@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.converted"
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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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. ./common.pattern
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# See 178 for more extensive tests across more formats
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_supported_fmt qcow2
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_supported_proto file
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# compat=0.10 does not support bitmaps
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_unsupported_imgopts 'compat=0.10'
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echo "== Huge file without bitmaps =="
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echo
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_make_test_img -o 'cluster_size=2M' 2T
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$QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
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$QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
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$QEMU_IMG measure -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
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echo
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echo "== Huge file with bitmaps =="
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echo
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$QEMU_IMG bitmap --add --granularity 512 -f qcow2 "$TEST_IMG" b1
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$QEMU_IMG bitmap --add -g 2M -f qcow2 "$TEST_IMG" b2
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# No bitmap without a source
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$QEMU_IMG measure -O qcow2 --size 10M
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# No bitmap output, since raw does not support it
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$QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
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# No bitmap output, since no bitmaps on raw source. Munge required size, as
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# some filesystems store the qcow2 file with less sparseness than others
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$QEMU_IMG measure -O qcow2 -f raw "$TEST_IMG" |
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sed '/^required size:/ s/[0-9][0-9]*/SIZE/'
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# No bitmap output, since v2 does not support it
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$QEMU_IMG measure -O qcow2 -o compat=0.10 -f qcow2 "$TEST_IMG"
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# Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
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echo
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val2T=$((2*1024*1024*1024*1024))
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cluster=$((64*1024))
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b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
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b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
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echo expected bitmap $((b1clusters * cluster +
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(b1clusters * 8 + cluster - 1) / cluster * cluster +
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b2clusters * cluster +
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(b2clusters * 8 + cluster - 1) / cluster * cluster +
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cluster))
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$QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
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# Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
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echo
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cluster=$((2*1024*1024))
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b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
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b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
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echo expected bitmap $((b1clusters * cluster +
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(b1clusters * 8 + cluster - 1) / cluster * cluster +
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b2clusters * cluster +
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(b2clusters * 8 + cluster - 1) / cluster * cluster +
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cluster))
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$QEMU_IMG measure --output=json -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
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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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