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Date: Wed, 29 May 2013 16:44:18 +0800
From: Fam Zheng <famz@redhat.com>
Message-ID: <20130529084418.GA7603@localhost.nay.redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v2] block: add block driver read only
 whitelist
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To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, stefanha@redhat.com

On Wed, 05/29 16:41, Fam Zheng wrote:
> We may want to include a driver in the whitelist for read only tasks
> such as diagnosing or exporting guest data (with libguestfs as a good
> example). This patch introduces a readonly whitelist option, and for
> backward compatibility, the old configure option --block-drv-whitelist
> is now an alias to rw whitelist.
> 
> Drivers in readonly list is only permitted to open file readonly, and
> returns -ENOTSUP for RW opening.
> 
> E.g. To include vmdk readonly, and others read+write:
>     ./configure --target-list=x86_64-softmmu \
>                 --block-drv-rw-whitelist=qcow2,raw,file,qed \
>                 --block-drv-ro-whitelist=vmdk
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>

v2:
  Use a separate configure option, no more magic prefix.