Re: [Qemu-block] [PATCH for-2.3 v2] qcow2: Fix header update with overridden backing file

2015-04-08 Thread Stefan Hajnoczi
On Tue, Apr 07, 2015 at 03:03:16PM +0200, Kevin Wolf wrote: In recent qemu versions, it is possible to override the backing file name and format that is stored in the image file with values given at runtime. In such cases, the temporary override could end up in the image header if the qcow2

[Qemu-block] [PATCH for-2.3 v2] qcow2: Fix header update with overridden backing file

2015-04-07 Thread Kevin Wolf
In recent qemu versions, it is possible to override the backing file name and format that is stored in the image file with values given at runtime. In such cases, the temporary override could end up in the image header if the qcow2 header was updated, while obviously correct behaviour would be to