Re: [Xen-devel] [PATCH] blkif.h: document physical-device node

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

El 07/07/15 a les 17.48, Wei Liu ha escrit:
> This node is used by toolstack (libxl, hotplug script) and blkback.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> 
> I notice this when I was looking at George's patch series to fix hotplug
> scripts. If anyone has better idea how we can document this feel free to
> provide alternative.
> ---
>  xen/include/public/io/blkif.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/xen/include/public/io/blkif.h b/xen/include/public/io/blkif.h
> index 6baf7fb..8f0f9a6 100644
> --- a/xen/include/public/io/blkif.h
> +++ b/xen/include/public/io/blkif.h
> @@ -92,6 +92,12 @@
>   *      backend driver to open the backing device.  (e.g. the path to the
>   *      file or block device representing the backing store.)
>   *
> + * physical-device
> + *      Values:         "MAJOR:MINOR"
> + *
> + *      MAJOR and MINOR are the major number and minor number of the
> + *      backing device respectively.
> + *

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Although I plan to expand this field so it's also used by FreeBSD
blkback with a different format.

Roger.


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