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qcow2: Write full header on image creation

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When creating a qcow2 image, we didn't necessarily call
qcow2_update_header(), but could end up with the basic header that
qcow2_create2() created manually. One thing that this basic header
lacks is the feature table. Let's make sure that it's always present.

This requires a few updates to test cases as well.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2015-12-02 18:34:39 +01:00
parent 1a4828c793
commit b527c9b392
5 changed files with 39 additions and 0 deletions
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5
tests/qemu-iotests/036.out
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@ -56,6 +56,11 @@ autoclear_features 0x8000000000000000
refcount_order 4
header_length 104
Header extension:
magic 0x6803f857
length 144
data <binary>
=== Repair image ===