On Wed, Jul 31, 2013 at 11:23:49PM -0400, Jeff Cody wrote:
> @@ -318,6 +323,18 @@ typedef struct VHDXMetadataEntries {
> uint16_t present;
> } VHDXMetadataEntries;
>
> +typedef struct VHDXLogEntries {
> + uint64_t offset;
> + uint64_t length;
> + uint32_t head;
> + uint32_t tail;
> +} VHDXLogEntries;
> +
> +typedef struct VHDXLogEntryInfo {
> + uint64_t sector_start;
> + uint32_t desc_count;
> +} VHDXLogEntryInfo;
An array of VHDXLogEntryInfo structs would be affected by alignment on
x86_64. &a[1] != (void*)a + sizeof(VHDXLogEntryInfo).
IMO all on-disk structs should be QEMU_PACKED for safety.
