Re: [PATCH 1/4] parallels: add VIR_STORAGE_FILE_PLOOP format

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On Wed, May 07, 2014 at 10:04:06PM +0400, Dmitry Guryanov wrote:
> Add VIR_STORAGE_FILE_PLOOP format. This format is used
> to store disk images for virtual machines in PCS and containers
> in PCS, OpenVZ and also in Parallels Desktop for Mac.
> 
> This format is described on OpenVZ site -
> https://openvz.org/Ploop (together with ploop devices). It
> consists of XML descriptor and one or more image files: base
> image and deltas. Format of the image files described here:
> https://openvz.org/Ploop/format.
> 
> This patch only adds VIR_STORAGE_FILE_PLOOP constant, consequent
> patches will use it in parallels driver.
> 
> Signed-off-by: Dmitry Guryanov <dguryanov@xxxxxxxxxxxxx>
> ---
>  src/util/virstoragefile.c | 4 +++-
>  src/util/virstoragefile.h | 1 +
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
> index 96af27b..5c1ab62 100644
> --- a/src/util/virstoragefile.c
> +++ b/src/util/virstoragefile.c
> @@ -62,7 +62,7 @@ VIR_ENUM_IMPL(virStorageFileFormat,
>                "cloop", "dmg", "iso",
>                "vpc", "vdi",
>                /* Not direct file formats, but used for various drivers */
> -              "fat", "vhd",
> +              "fat", "vhd", "ploop",
>                /* Formats with backing file below here */
>                "cow", "qcow", "qcow2", "qed", "vmdk")
>  
> @@ -230,6 +230,8 @@ static struct FileTypeInfo const fileTypeInfo[] = {
>                                 -1, {0}, 0, 0, 0, 0, NULL, NULL },
>      [VIR_STORAGE_FILE_VHD] = { 0, NULL, NULL, LV_LITTLE_ENDIAN,
>                                 -1, {0}, 0, 0, 0, 0, NULL, NULL },
> +    [VIR_STORAGE_FILE_PLOOP] = { 0, NULL, NULL, LV_LITTLE_ENDIAN,
> +                               -1, {0}, 0, 0, 0, 0, NULL, NULL },

Is there no magic byte sequence to identify the ploop image format ?

ACK if there is none.

Regards,
Daniel
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