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Re: [Qemu-devel] [PATCH] block: add read only to whitelist

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH] block: add read only to whitelist
Date: Tue, 28 May 2013 10:00:19 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Am 28.05.2013 um 08:44 hat Fam Zheng geschrieben:
> 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 the magic prefix ^ to include a driver
> to the whitelist, but only enables qemu to open specific image
> format readonly, and returns -ENOTSUP for RW opening.
> Example: To include vmdk readonly, and others read+write:
>     ./configure --block-drv-whitelist=qcow2,raw,file,qed,^vmdk
> Signed-off-by: Fam Zheng <address@hidden>

^ looks a bit like "not", so this is potentially confusing syntax. Why
not simply add a second option?

  ./configure --block-drv-whitelist=qcow2,raw,file,qed \


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