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166 lines
5.2 KiB
Bash
166 lines
5.2 KiB
Bash
#!/usr/bin/env bash
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# group: rw auto
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#
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# Test qcow2 reopen
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#
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# Copyright (C) 2015 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=kwolf@redhat.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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_supported_fmt qcow2
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_supported_proto file fuse
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_supported_os Linux
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# We are going to use lazy-refcounts
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_unsupported_imgopts 'compat=0.10'
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_make_test_img 64M
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echo === Try setting valid values for all options ===
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echo
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# Try all options and then check that all of the basic I/O operations still
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# work on this image.
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$QEMU_IO \
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-c "reopen -o lazy-refcounts=on,pass-discard-request=on" \
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-c "reopen -o lazy-refcounts=off,pass-discard-request=off" \
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-c "reopen -o pass-discard-snapshot=on,pass-discard-other=on" \
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-c "reopen -o pass-discard-snapshot=off,pass-discard-other=off" \
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-c "reopen -o overlap-check=all" \
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-c "reopen -o overlap-check=none" \
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-c "reopen -o overlap-check=cached" \
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-c "reopen -o overlap-check=constant" \
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-c "reopen -o overlap-check.template=all" \
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-c "reopen -o overlap-check.template=none" \
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-c "reopen -o overlap-check.template=cached" \
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-c "reopen -o overlap-check.template=constant" \
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-c "reopen -o overlap-check.main-header=on" \
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-c "reopen -o overlap-check.main-header=off" \
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-c "reopen -o overlap-check.active-l1=on" \
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-c "reopen -o overlap-check.active-l1=off" \
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-c "reopen -o overlap-check.active-l2=on" \
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-c "reopen -o overlap-check.active-l2=off" \
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-c "reopen -o overlap-check.refcount-table=on" \
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-c "reopen -o overlap-check.refcount-table=off" \
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-c "reopen -o overlap-check.refcount-block=on" \
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-c "reopen -o overlap-check.refcount-block=off" \
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-c "reopen -o overlap-check.snapshot-table=on" \
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-c "reopen -o overlap-check.snapshot-table=off" \
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-c "reopen -o overlap-check.inactive-l1=on" \
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-c "reopen -o overlap-check.inactive-l1=off" \
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-c "reopen -o overlap-check.inactive-l2=on" \
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-c "reopen -o overlap-check.inactive-l2=off" \
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-c "reopen -o cache-size=1M" \
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-c "reopen -o l2-cache-size=512k" \
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-c "reopen -o l2-cache-entry-size=512" \
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-c "reopen -o l2-cache-entry-size=4k" \
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-c "reopen -o l2-cache-entry-size=64k" \
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-c "reopen -o refcount-cache-size=128k" \
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-c "reopen -o cache-clean-interval=5" \
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-c "reopen -o cache-clean-interval=0" \
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-c "reopen -o cache-clean-interval=10" \
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\
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-c "write -P 55 0 32M" \
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-c "read -P 55 0 32M" \
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-c "discard 0 32M" \
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-c "write -z 0 32M" \
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-c "read -P 0 0 32M" \
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\
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"$TEST_IMG" | _filter_qemu_io
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echo
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echo === Try setting some invalid values ===
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echo
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$QEMU_IO \
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-c "reopen -o lazy-refcounts=42" \
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-c "reopen -o cache-size=1M,l2-cache-size=64k,refcount-cache-size=64k" \
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-c "reopen -o cache-size=1M,l2-cache-size=2M" \
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-c "reopen -o cache-size=1M,refcount-cache-size=2M" \
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-c "reopen -o l2-cache-entry-size=33k" \
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-c "reopen -o l2-cache-entry-size=128k" \
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-c "reopen -o refcount-cache-size=256T" \
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-c "reopen -o overlap-check=constant,overlap-check.template=all" \
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-c "reopen -o overlap-check=blubb" \
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-c "reopen -o overlap-check.template=blubb" \
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-c "reopen -o cache-clean-interval=-1" \
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"$TEST_IMG" | _filter_qemu_io
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_make_test_img -o "cluster_size=256k" 32P
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$QEMU_IO \
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-c "reopen -o l2-cache-entry-size=512,l2-cache-size=1T" \
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"$TEST_IMG" | _filter_qemu_io
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_make_test_img 64M
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echo
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echo === Test transaction semantics ===
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echo
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# Whether lazy-refcounts was actually enabled can easily be tested: Check if
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# the dirty bit is set after a crash
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_NO_VALGRIND \
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$QEMU_IO \
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-c "reopen -o lazy-refcounts=on,overlap-check=blubb" \
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-c "write -P 0x5a 0 512" \
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-c "sigraise $(kill -l KILL)" \
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"$TEST_IMG" 2>&1 | _filter_qemu_io
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# The dirty bit must not be set
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# (Filter the external data file bit)
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if _qcow2_dump_header | grep incompatible_features \
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| grep -q '\<0\>'
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then
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echo 'ERROR: Dirty bit set'
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else
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echo 'OK: Dirty bit not set'
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fi
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# Similarly we can test whether corruption detection has been enabled:
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# Create L1, overwrite refcounts, force allocation of L2 by writing
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# data.
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# Disabling the checks should fail, so the corruption must be detected.
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_make_test_img 64M
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poke_file "$TEST_IMG" "$((0x20000))" "\x00\x00\x00\x00\x00\x00\x00\x00"
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$QEMU_IO \
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-c "reopen -o overlap-check=none,lazy-refcounts=42" \
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-c "write 64k 64k" \
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"$TEST_IMG" 2>&1 | _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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