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Date: Tue, 18 Jun 2013 10:40:15 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] block: add 'backing' option to drive_add
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To: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, qemu-devel@nongnu.org, stefanha@redhat.com

Il 18/06/2013 08:37, Markus Armbruster ha scritto:
> >        If not, can we try to detect such case  on opening
> Gee, what a nice swamp you found there!

It is a huge swamp indeed.

Since we stop all block jobs on media change already, what about just
adding a command "block-job-attach" or something like that which exposes
the target of the job as a blockdev (presumably so that you can then add
it to the NBD server)?

Paolo