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Re: [Qemu-block] [Qemu-devel] [PATCH] block: Apply auto-read-only for ro

From: Eric Blake
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH] block: Apply auto-read-only for ro-whitelist drivers
Date: Tue, 22 Jan 2019 15:58:19 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 1/22/19 6:19 AM, Kevin Wolf wrote:
> If QEMU was configured with a driver in --block-drv-ro-whitelist, trying
> to use that driver read-write resulted in an error message even if
> auto-read-only=on was set.
> Consider auto-read-only=on for the whitelist checking and use it to
> automatically degrade to read-only for block drivers on the read-only
> whitelist.
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block.c | 20 +++++++++++++-------
>  1 file changed, 13 insertions(+), 7 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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