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Re: [Qemu-devel] [PATCH 16/54] block: Default .bdrv_child_perm() for fil
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From: |
Max Reitz |
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Subject: |
Re: [Qemu-devel] [PATCH 16/54] block: Default .bdrv_child_perm() for filter drivers |
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Date: |
Wed, 22 Feb 2017 15:05:42 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
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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- Re: [Qemu-devel] [PATCH 10/54] vvfat: Use opened node as backing file, (continued)
[Qemu-devel] [PATCH 12/54] block: Add op blocker permission constants, Kevin Wolf, 2017/02/21
[Qemu-devel] [PATCH 13/54] block: Add Error argument to bdrv_attach_child(), Kevin Wolf, 2017/02/21
[Qemu-devel] [PATCH 16/54] block: Default .bdrv_child_perm() for filter drivers, Kevin Wolf, 2017/02/21
[Qemu-devel] [PATCH 17/54] block: Request child permissions in filter drivers, Kevin Wolf, 2017/02/21
[Qemu-devel] [PATCH 15/54] block: Involve block drivers in permission granting, Kevin Wolf, 2017/02/21
[Qemu-devel] [PATCH 14/54] block: Let callers request permissions when attaching a child node, Kevin Wolf, 2017/02/21