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qemu-iotests: add tests for rebasing zero clusters

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If zero clusters are erroneously treated as unallocated, "qemu-img rebase"
will copy the backing file's contents onto the cluster.

The bug existed also in image streaming, but since the root cause was in
qcow2's is_allocated implementation it is enough to test it with qemu-img.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-03-13 15:58:13 +01:00 • committed by Stefan Hajnoczi
parent 485e3ce88e
commit acbf30ec60
3 changed files with 93 additions and 0 deletions
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tests/qemu-iotests/group
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@ -56,3 +56,4 @@
047 rw auto
048 img auto quick
049 rw auto
050 rw auto backing quick