7d983531c6
This reverts commit f915db07ef.
This commit is broken because it does not account for the
build tree and the source tree being different, and can cause
build failures for out-of-tree builds. Revert it until we can
identify a better solution to the problem.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1400153676-30180-1-git-send-email-peter.maydell@linaro.org
Acked-by: Kevin Wolf <kwolf@redhat.com>
159 lines
4 KiB
Bash
Executable file
159 lines
4 KiB
Bash
Executable file
#!/bin/bash
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#
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# Test qcow2 lazy refcounts
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#
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# Copyright (C) 2012 Red Hat, Inc.
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# Copyright IBM, Corp. 2010
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#
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# Based on test 038.
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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=stefanha@linux.vnet.ibm.com
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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 qcow2
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_supported_proto file
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_supported_os Linux
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_default_cache_mode "writethrough"
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_supported_cache_modes "writethrough"
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size=128M
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echo
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echo "== Checking that image is clean on shutdown =="
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IMGOPTS="compat=1.1,lazy_refcounts=on"
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_make_test_img $size
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$QEMU_IO -c "write -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
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# The dirty bit must not be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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_check_test_img
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echo
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echo "== Creating a dirty image file =="
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IMGOPTS="compat=1.1,lazy_refcounts=on"
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_make_test_img $size
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old_ulimit=$(ulimit -c)
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ulimit -c 0 # do not produce a core dump on abort(3)
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$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" "$TEST_IMG" | _filter_qemu_io
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ulimit -c "$old_ulimit"
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# The dirty bit must be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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_check_test_img
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echo
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echo "== Read-only access must still work =="
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$QEMU_IO -r -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
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# The dirty bit must be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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echo
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echo "== Repairing the image file must succeed =="
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_check_test_img -r all
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# The dirty bit must not be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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echo
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echo "== Data should still be accessible after repair =="
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$QEMU_IO -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Opening a dirty image read/write should repair it =="
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IMGOPTS="compat=1.1,lazy_refcounts=on"
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_make_test_img $size
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old_ulimit=$(ulimit -c)
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ulimit -c 0 # do not produce a core dump on abort(3)
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$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" "$TEST_IMG" | _filter_qemu_io
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ulimit -c "$old_ulimit"
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# The dirty bit must be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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$QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io
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# The dirty bit must not be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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echo
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echo "== Creating an image file with lazy_refcounts=off =="
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IMGOPTS="compat=1.1,lazy_refcounts=off"
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_make_test_img $size
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old_ulimit=$(ulimit -c)
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ulimit -c 0 # do not produce a core dump on abort(3)
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$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" "$TEST_IMG" | _filter_qemu_io
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ulimit -c "$old_ulimit"
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# The dirty bit must not be set since lazy_refcounts=off
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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_check_test_img
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echo
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echo "== Committing to a backing file with lazy_refcounts=on =="
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IMGOPTS="compat=1.1,lazy_refcounts=on"
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TEST_IMG="$TEST_IMG".base _make_test_img $size
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IMGOPTS="compat=1.1,lazy_refcounts=on,backing_file=$TEST_IMG.base"
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_make_test_img $size
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$QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG commit "$TEST_IMG"
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# The dirty bit must not be set
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./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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./qcow2.py "$TEST_IMG".base dump-header | grep incompatible_features
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_check_test_img
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TEST_IMG="$TEST_IMG".base _check_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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