[libvirt-users] Does libvirt have API to detect image format

[Eric Blake]

On 08/11/2014 02:59 PM, Jianfeng Tang wrote:

[please don't top-post on technical lists]

> Unfortunately my backing store file is not in a volume. So I guess I
> cannot use that method.

It's very easy to create a storage pool for an arbitrary directory, at
which point you can then use the virStorageVol* API on that file.  The
only reason we make you go through the virStoragePool* hoop rather than
acting directly on files is so that we can support remote connections
sanely (a volume name in relation to a pool is unambiguous, whereas a
file name is ambiguous on whether it is on the client's machine or the
server's machine).

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

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