[libvirt] [PATCHv3 01/36] storage: backend: Add unique id retrieval API

[Eric Blake]

On 05/30/2014 02:37 AM, Peter Krempa wrote:
> Different protocols have different means to uniquely identify a storage
> file. This patch implements a storage driver API to retrieve a unique
> string describing a volume. The current implementation works for local
> storage only and returns the canonical path of the volume.
> 
> To add caching support the local filesystem driver now has a private
> structure holding the cached string, which is created only when it's
> initially accessed.
> 
> This patch provides the implementation for local files only for start.
> ---

ACK.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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