Re: [Qemu-block] [PATCH 16/54] block: Default .bdrv_child_perm() for filter drivers

[Max Reitz]

On 21.02.2017 15:58, Kevin Wolf wrote:
> Most filters need permissions related to read and write for their
> children, but only if the node has a parent that wants to use the same
> operation on the filter. The same is true for resize.
> 
> This adds a default implementation that simply forwards all necessary
> permissions to all children of the node and leaves the other permissions
> unchanged.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block.c                   | 24 ++++++++++++++++++++++++
>  include/block/block_int.h |  8 ++++++++
>  2 files changed, 32 insertions(+)

Reviewed-by: Max Reitz <address@hidden>

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