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-rw-r--r--block/vdi.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/block/vdi.c b/block/vdi.c
index b9845a4cbd..0caa3f281d 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -988,6 +988,17 @@ static void vdi_close(BlockDriverState *bs)
error_free(s->migration_blocker);
}
+static int vdi_has_zero_init(BlockDriverState *bs)
+{
+ BDRVVdiState *s = bs->opaque;
+
+ if (s->header.image_type == VDI_TYPE_STATIC) {
+ return bdrv_has_zero_init(bs->file->bs);
+ } else {
+ return 1;
+ }
+}
+
static QemuOptsList vdi_create_opts = {
.name = "vdi-create-opts",
.head = QTAILQ_HEAD_INITIALIZER(vdi_create_opts.head),
@@ -1028,7 +1039,7 @@ static BlockDriver bdrv_vdi = {
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_co_create = vdi_co_create,
.bdrv_co_create_opts = vdi_co_create_opts,
- .bdrv_has_zero_init = bdrv_has_zero_init_1,
+ .bdrv_has_zero_init = vdi_has_zero_init,
.bdrv_co_block_status = vdi_co_block_status,
.bdrv_make_empty = vdi_make_empty,