qemu-iotests: add 036 autoclear feature bit test
This new test validates the autoclear feature bit behavior. When QEMU opens a qcow2v3 image file with an unknown autoclear feature bit the bit should be cleared in the image file header. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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tests/qemu-iotests/036
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68
tests/qemu-iotests/036
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#!/bin/bash
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#
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# Test that qcow2 unknown autoclear feature bits are cleared
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#
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# Copyright (C) 2011 Red Hat, Inc.
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# Copyright IBM, Corp. 2010
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#
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# Based on test 031.
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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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. ./common.pattern
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# This tests qcow2-specific low-level functionality
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_supported_fmt qcow2
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_supported_proto generic
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_supported_os Linux
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# Only qcow2v3 and later supports feature bits
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IMGOPTS="compat=1.1"
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echo === Create image with unknown autoclear feature bit ===
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echo
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_make_test_img 64M
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./qcow2.py $TEST_IMG set-feature-bit autoclear 63
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./qcow2.py $TEST_IMG dump-header
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echo
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echo === Repair image ===
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echo
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$QEMU_IMG check -r all $TEST_IMG
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./qcow2.py $TEST_IMG dump-header
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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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52
tests/qemu-iotests/036.out
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52
tests/qemu-iotests/036.out
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QA output created by 036
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=== Create image with unknown autoclear feature bit ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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magic 0x514649fb
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version 3
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backing_file_offset 0x0
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backing_file_size 0x0
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cluster_bits 16
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size 67108864
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crypt_method 0
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l1_size 1
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l1_table_offset 0x30000
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refcount_table_offset 0x10000
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refcount_table_clusters 1
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nb_snapshots 0
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snapshot_offset 0x0
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incompatible_features 0x0
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compatible_features 0x0
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autoclear_features 0x8000000000000000
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refcount_order 4
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header_length 104
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=== Repair image ===
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No errors were found on the image.
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magic 0x514649fb
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version 3
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backing_file_offset 0x0
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backing_file_size 0x0
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cluster_bits 16
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size 67108864
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crypt_method 0
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l1_size 1
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l1_table_offset 0x30000
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refcount_table_offset 0x10000
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refcount_table_clusters 1
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nb_snapshots 0
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snapshot_offset 0x0
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incompatible_features 0x0
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compatible_features 0x0
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autoclear_features 0x0
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refcount_order 4
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header_length 104
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Header extension:
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magic 0x6803f857
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length 0
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data ''
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*** done
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@ -42,5 +42,6 @@
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033 rw auto
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033 rw auto
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034 rw auto backing
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034 rw auto backing
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035 rw auto quick
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035 rw auto quick
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036 rw auto quick
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037 rw auto backing
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037 rw auto backing
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038 rw auto backing
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038 rw auto backing
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