e59a0cf17b
Instead of converting all "backing": null instances into "backing": "",
handle a null value directly in bdrv_open_inherit().
This enables explicitly null backing links for json:{} filenames.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-7-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: rebase to qobject_to() parameter order and qapi headers split]
Signed-off-by: Eric Blake <eblake@redhat.com>
53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
QA output created by 089
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=== Testing nested image formats ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 512/512 bytes at offset 512
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 512/512 bytes at offset 1024
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 512
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 1024
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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Pattern verification failed at offset 0, 512 bytes
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing correct handling of 'backing':null ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing blkdebug ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 512/512 bytes at offset 229376
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read failed: Input/output error
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=== Testing qemu-img info output ===
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64M (67108864 bytes)
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cluster_size: 65536
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=== Testing option merging ===
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format name: IMGFMT
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cluster size: 64 KiB
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vm state offset: 512 MiB
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format name: IMGFMT
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cluster size: 64 KiB
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vm state offset: 512 MiB
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*** done
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