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Re: [Qemu-devel] [PATCH V4 3/4] Add backing drive while performing backu

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH V4 3/4] Add backing drive while performing backup.
Date: Fri, 19 Jul 2013 22:15:24 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7

Il 19/07/2013 03:13, Fam Zheng ha scritto:
>>> > > Also set target->backing_file and target->backing_format here? Paolo?
>> > 
>> > I don't think so, it is temporary while the job runs so that the NBD
>> > server can already return the actual data.
> OK.
> For NBD export, it's also going to have a name, to be used with
> nbd_server_add. So should we call bdrv_set_in_use() here to protect
> target from being used elsewhere?

I think it'd still be safe, but it's probably a good idea anyway.


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