Previously the field is wrong: $ ./qemu-img create -f vmdk -o subformat=streamOptimized /tmp/a.vmdk 1G
$ ./qemu-img info /tmp/a.vmdk image: /tmp/a.vmdk file format: vmdk virtual size: 1.0G (1073741824 bytes) disk size: 12K Format specific information: cid: 1390460459 parent cid: 4294967295 >>> create type: monolithicSparse <snip> Signed-off-by: Fam Zheng <f...@redhat.com> --- block/vmdk.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block/vmdk.c b/block/vmdk.c index c6b60b4..c78fecc 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -654,6 +654,10 @@ static int vmdk_open_vmdk4(BlockDriverState *bs, } extent->compressed = le16_to_cpu(header.compressAlgorithm) == VMDK4_COMPRESSION_DEFLATE; + if (extent->compressed) { + g_free(s->create_type); + s->create_type = g_strdup("streamOptimized"); + } extent->has_marker = le32_to_cpu(header.flags) & VMDK4_FLAG_MARKER; extent->version = le32_to_cpu(header.version); extent->has_zero_grain = le32_to_cpu(header.flags) & VMDK4_FLAG_ZERO_GRAIN; -- 1.8.5.3