Re: [Qemu-devel] [PATCH 03/10] mirror: Fix permissions for removing mirror_top_bs

[Eric Blake]

On 03/06/2017 10:21 AM, Kevin Wolf wrote:
> mirror_top_bs takes write permissions on its backing file, which can
> make it impossible to attach that backing file node to another parent.
> However, this is exactly what needs to be done in order to remove
> mirror_top_bs from the backing chain. So give up the write permission
> first.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block/mirror.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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