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Re: [Qemu-devel] [PATCH v3 07/44] block: Default .bdrv_child_perm() for
From: |
Max Reitz |
Subject: |
Re: [Qemu-devel] [PATCH v3 07/44] block: Default .bdrv_child_perm() for format drivers |
Date: |
Tue, 28 Feb 2017 16:01:24 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 |
On 28.02.2017 13:53, Kevin Wolf wrote:
> Almost all format drivers have the same characteristics as far as
> permissions are concerned: They have one or more children for storing
> their own data and, more importantly, metadata (can be written to and
> grow even without external write requests, must be protected against
> other writers and present consistent data) and optionally a backing file
> (this is just data, so like for a filter, it only depends on what the
> parent nodes need).
>
> This provides a default implementation that can be shared by most of
> our format drivers.
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> block.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
> include/block/block_int.h | 8 ++++++++
> 2 files changed, 52 insertions(+)
Reviewed-by: Max Reitz <address@hidden>
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- [Qemu-devel] [PATCH v3 00/44] New op blocker system, part 1, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 02/44] block: Add Error argument to bdrv_attach_child(), Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 01/44] block: Add op blocker permission constants, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 03/44] block: Let callers request permissions when attaching a child node, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 05/44] block: Default .bdrv_child_perm() for filter drivers, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 04/44] block: Involve block drivers in permission granting, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 06/44] block: Request child permissions in filter drivers, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 07/44] block: Default .bdrv_child_perm() for format drivers, Kevin Wolf, 2017/02/28
- Re: [Qemu-devel] [PATCH v3 07/44] block: Default .bdrv_child_perm() for format drivers,
Max Reitz <=
- [Qemu-devel] [PATCH v3 08/44] block: Request child permissions in format drivers, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 09/44] vvfat: Implement .bdrv_child_perm(), Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 10/44] block: Require .bdrv_child_perm() with child nodes, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 11/44] block: Request real permissions in bdrv_attach_child(), Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 12/44] block: Add permissions to BlockBackend, Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 15/44] block: Add BDRV_O_RESIZE for blk_new_open(), Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 16/44] block: Request real permissions in blk_new_open(), Kevin Wolf, 2017/02/28
- [Qemu-devel] [PATCH v3 13/44] block: Add permissions to blk_new(), Kevin Wolf, 2017/02/28