[libvirt] [PATCH 1/6] nodedev: Expose sysfs path of device

[John Ferlan]

On 06/03/2013 06:05 AM, Osier Yang wrote:
> The name format is constructed by libvirt, it's not that clear to
> get what the device's sysfs path should be. This exposes the device's
> sysfs path by a new tag <path>.
> 
> Since the sysfspath is filled during enumerating the devices by
> either udev or HAL. It's an output-only tag.
> ---
>  src/conf/node_device_conf.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c
> index 4eeb3b3..cc6f297 100644
> --- a/src/conf/node_device_conf.c
> +++ b/src/conf/node_device_conf.c
> @@ -236,6 +236,7 @@ char *virNodeDeviceDefFormat(const virNodeDeviceDefPtr def)
>  
>      virBufferAddLit(&buf, "<device>\n");
>      virBufferEscapeString(&buf, "  <name>%s</name>\n", def->name);
> +    virBufferEscapeString(&buf, "  <path>%s</path>\n", def->sysfs_path);

Is this necessarily filled in?  EG, do you need to do an "if
(def->sysfs_path)" first?

ACK

John
>      if (def->parent) {
>          virBufferEscapeString(&buf, "  <parent>%s</parent>\n", def->parent);
>      }
>