| #!/bin/bash |
| # |
| # Test qcow2 reopen |
| # |
| # Copyright (C) 2015 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 |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| . ./common.qemu |
| |
| _supported_fmt qcow2 |
| _supported_proto generic |
| _supported_os Linux |
| |
| |
| _make_test_img 64M |
| |
| echo === Try setting valid values for all options === |
| echo |
| |
| # Try all options and then check that all of the basic I/O operations still |
| # work on this image. |
| $QEMU_IO \ |
| -c "reopen -o lazy-refcounts=on,pass-discard-request=on" \ |
| -c "reopen -o lazy-refcounts=off,pass-discard-request=off" \ |
| -c "reopen -o pass-discard-snapshot=on,pass-discard-other=on" \ |
| -c "reopen -o pass-discard-snapshot=off,pass-discard-other=off" \ |
| -c "reopen -o overlap-check=all" \ |
| -c "reopen -o overlap-check=none" \ |
| -c "reopen -o overlap-check=cached" \ |
| -c "reopen -o overlap-check=constant" \ |
| -c "reopen -o overlap-check.template=all" \ |
| -c "reopen -o overlap-check.template=none" \ |
| -c "reopen -o overlap-check.template=cached" \ |
| -c "reopen -o overlap-check.template=constant" \ |
| -c "reopen -o overlap-check.main-header=on" \ |
| -c "reopen -o overlap-check.main-header=off" \ |
| -c "reopen -o overlap-check.active-l1=on" \ |
| -c "reopen -o overlap-check.active-l1=off" \ |
| -c "reopen -o overlap-check.active-l2=on" \ |
| -c "reopen -o overlap-check.active-l2=off" \ |
| -c "reopen -o overlap-check.refcount-table=on" \ |
| -c "reopen -o overlap-check.refcount-table=off" \ |
| -c "reopen -o overlap-check.refcount-block=on" \ |
| -c "reopen -o overlap-check.refcount-block=off" \ |
| -c "reopen -o overlap-check.snapshot-table=on" \ |
| -c "reopen -o overlap-check.snapshot-table=off" \ |
| -c "reopen -o overlap-check.inactive-l1=on" \ |
| -c "reopen -o overlap-check.inactive-l1=off" \ |
| -c "reopen -o overlap-check.inactive-l2=on" \ |
| -c "reopen -o overlap-check.inactive-l2=off" \ |
| -c "reopen -o cache-size=1M" \ |
| -c "reopen -o l2-cache-size=512k" \ |
| -c "reopen -o refcount-cache-size=128k" \ |
| -c "reopen -o cache-clean-interval=5" \ |
| -c "reopen -o cache-clean-interval=0" \ |
| -c "reopen -o cache-clean-interval=10" \ |
| \ |
| -c "write -P 55 0 32M" \ |
| -c "read -P 55 0 32M" \ |
| -c "discard 0 32M" \ |
| -c "write -z 0 32M" \ |
| -c "read -P 0 0 32M" \ |
| \ |
| "$TEST_IMG" | _filter_qemu_io |
| |
| |
| echo |
| echo === Try setting some invalid values === |
| echo |
| |
| $QEMU_IO \ |
| -c "reopen -o lazy-refcounts=42" \ |
| -c "reopen -o cache-size=1M,l2-cache-size=64k,refcount-cache-size=64k" \ |
| -c "reopen -o cache-size=1M,l2-cache-size=2M" \ |
| -c "reopen -o cache-size=1M,refcount-cache-size=2M" \ |
| -c "reopen -o l2-cache-size=256T" \ |
| -c "reopen -o refcount-cache-size=256T" \ |
| -c "reopen -o overlap-check=constant,overlap-check.template=all" \ |
| -c "reopen -o overlap-check=blubb" \ |
| -c "reopen -o overlap-check.template=blubb" \ |
| -c "reopen -o cache-clean-interval=-1" \ |
| "$TEST_IMG" | _filter_qemu_io |
| |
| echo |
| echo === Test transaction semantics === |
| echo |
| |
| # Whether lazy-refcounts was actually enabled can easily be tested: Check if |
| # the dirty bit is set after a crash |
| $QEMU_IO \ |
| -c "reopen -o lazy-refcounts=on,overlap-check=blubb" \ |
| -c "write -P 0x5a 0 512" \ |
| -c "sigraise $(kill -l KILL)" \ |
| "$TEST_IMG" 2>&1 | _filter_qemu_io |
| |
| # The dirty bit must not be set |
| $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
| |
| # Similarly we can test whether corruption detection has been enabled: |
| # Create L1/L2, overwrite first entry in refcount block, allocate something. |
| # Disabling the checks should fail, so the corruption must be detected. |
| _make_test_img 64M |
| $QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io |
| poke_file "$TEST_IMG" "$((0x20000))" "\x00\x00" |
| $QEMU_IO \ |
| -c "reopen -o overlap-check=none,lazy-refcounts=42" \ |
| -c "write 64k 64k" \ |
| "$TEST_IMG" 2>&1 | _filter_qemu_io |
| |
| # success, all done |
| echo '*** done' |
| rm -f $seq.full |
| status=0 |