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vmdk: Implement .bdrv_has_zero_init
authorFam Zheng <famz@redhat.com>
Mon, 1 Jul 2013 03:33:17 +0000 (11:33 +0800)
committerStefan Hajnoczi <stefanha@redhat.com>
Fri, 5 Jul 2013 07:40:18 +0000 (09:40 +0200)
commitda7a50f938516d0f2302965eeb82940c32028ed8
tree064a48dd12a7ae4bff59db2356db66b71fd64440tree
parentab8bf29078e0ab8347e2ff8b4e5542f7a0c751cfcommit | diff
vmdk: Implement .bdrv_has_zero_init

Depending on the subformat, has_zero_init queries underlying storage for
flat extent. If it has a flat extent and its underlying storage doesn't
have zero init, return 0. Otherwise return 1.

Aligns the operator assignments.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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