Re: [Qemu-block] [PATCH v6 16/25] block: Add 'base-directory' BDS option

[Eric Blake]

On 11/02/2017 11:07 AM, Max Reitz wrote:
> On 2017-11-02 15:40, Alberto Garcia wrote:
>> On Fri 29 Sep 2017 06:53:38 PM CEST, Max Reitz wrote:
>>> Using this option, one can directly override what bdrv_dirname() will
>>> return. This is useful if one uses e.g. qcow2 on top of quorum (with
>>> only protocol BDSs under the quorum BDS) and wants to be able to use
>>> relative backing filenames.
>>>
>>> Signed-off-by: Max Reitz <address@hidden>
>>
>> Who would be using this option in practice? I understand that management
>> tools should be using always absolute filenames, and this API doesn't
>> seem so convenient for humans.
> 
> Hmmm.  I seem to recall Eric liked it a couple of years ago when he was
> still more on the libvirt side of things. :-)

Ideally, libvirt should be using node names rather than filenames
(whether absolute or relative); but I still think it could be something
that turns out to be useful.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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