[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-block] [PATCH 02/19] block: Add BDS.backing_overridden
|
From: |
Eric Blake |
|
Subject: |
Re: [Qemu-block] [PATCH 02/19] block: Add BDS.backing_overridden |
|
Date: |
Tue, 26 Apr 2016 18:37:46 -0600 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 04/26/2016 03:32 PM, Max Reitz wrote:
> If the backing file is overridden, this most probably does change the
> guest-visible data of a BDS. Therefore, we will need to consider this in
> bdrv_refresh_filename().
>
> Adding a new field to the BDS is not nice, but it is very simple and
> exactly keeps track of whether the backing file has been overridden.
>
> Signed-off-by: Max Reitz <address@hidden>
> ---
> block.c | 2 ++
> include/block/block_int.h | 1 +
> 2 files changed, 3 insertions(+)
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
signature.asc
Description: OpenPGP digital signature
- [Qemu-block] [PATCH 00/19] block: Fix some filename generation issues, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 01/19] block: Use children list in bdrv_refresh_filename, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 02/19] block: Add BDS.backing_overridden, Max Reitz, 2016/04/26
- Re: [Qemu-block] [PATCH 02/19] block: Add BDS.backing_overridden,
Eric Blake <=
- [Qemu-block] [PATCH 05/19] block: Add bdrv_default_refresh_protocol_filename, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 03/19] block: Respect backing bs in bdrv_refresh_filename, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 04/19] block: Add bdrv_default_refresh_format_filename, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 06/19] block: Make bdrv_default_refresh_format_filename public, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 07/19] qcow2: Implement bdrv_refresh_filename(), Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 11/19] block: Add bdrv_make_absolute_filename(), Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 08/19] block: Make path_combine() return the path, Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 09/19] block: bdrv_get_full_backing_filename_from_...'s ret. val., Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 10/19] block: bdrv_get_full_backing_filename's ret. val., Max Reitz, 2016/04/26
- [Qemu-block] [PATCH 12/19] block: Fix bdrv_find_backing_image(), Max Reitz, 2016/04/26