On Mon, Jul 28, 2014 at 08:23:51PM +0400, Denis V. Lunev wrote:
> Parallels has released in the recent updates of Parallels Server 5/6
> new addition to his image format. Images with signature WithouFreSpacExt
> have offsets in the catalog coded not as offsets in sectors (multiple
> of 512 bytes) but offsets coded in blocks (i.e. header->tracks * 512)
> 
> In this case to code the virtual disk size for such images nb_sectors
> field is extended to 64 bits. The reader of older images with signature
> WithoutFreeSpace must manually zero most valuable bits of nb_sectors
> on open.
> 
> Changes from v1:
> - fixed message in patch 1
> - added braces to conform qemu coding style in patches 3 & 4
> - added check for ph.tracks in patch 4 to avoid offset overflow as suggested
>   by Jeff
> 
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Kevin Wolf <kwolf@redhat.com>
> CC: Stefan Hajnoczi <stefanha@redhat.com>
> CC: Jeff Cody <jcody@redhat.com>

Sorry for the delay.

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan