From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, Alberto Garcia <berto@igalia.com>,
Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 02/19] block: Add BDS.backing_overridden
Date: Tue, 26 Apr 2016 18:37:46 -0600 [thread overview]
Message-ID: <572009DA.3090701@redhat.com> (raw)
In-Reply-To: <1461706338-20219-3-git-send-email-mreitz@redhat.com>
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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 <mreitz@redhat.com>
> ---
> block.c | 2 ++
> include/block/block_int.h | 1 +
> 2 files changed, 3 insertions(+)
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2016-04-27 0:37 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 21:31 [Qemu-devel] [PATCH 00/19] block: Fix some filename generation issues Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 01/19] block: Use children list in bdrv_refresh_filename Max Reitz
2016-04-27 0:36 ` Eric Blake
2016-05-31 7:35 ` Alberto Garcia
2016-04-26 21:32 ` [Qemu-devel] [PATCH 02/19] block: Add BDS.backing_overridden Max Reitz
2016-04-27 0:37 ` Eric Blake [this message]
2016-05-02 15:35 ` Kevin Wolf
2016-05-03 10:49 ` Max Reitz
2016-05-03 13:34 ` Kevin Wolf
2016-04-26 21:32 ` [Qemu-devel] [PATCH 03/19] block: Respect backing bs in bdrv_refresh_filename Max Reitz
2016-05-02 15:36 ` Kevin Wolf
2016-05-03 10:50 ` Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 04/19] block: Add bdrv_default_refresh_format_filename Max Reitz
2016-06-20 13:16 ` Alberto Garcia
2016-04-26 21:32 ` [Qemu-devel] [PATCH 05/19] block: Add bdrv_default_refresh_protocol_filename Max Reitz
2016-06-20 13:18 ` Alberto Garcia
2016-04-26 21:32 ` [Qemu-devel] [PATCH 06/19] block: Make bdrv_default_refresh_format_filename public Max Reitz
2016-05-02 15:36 ` Kevin Wolf
2016-05-03 11:19 ` Max Reitz
2016-05-03 13:31 ` Kevin Wolf
2016-05-03 13:48 ` Max Reitz
2016-05-03 14:34 ` Kevin Wolf
2016-05-03 14:52 ` Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 07/19] qcow2: Implement bdrv_refresh_filename() Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 08/19] block: Make path_combine() return the path Max Reitz
2016-06-20 13:44 ` Alberto Garcia
2016-04-26 21:32 ` [Qemu-devel] [PATCH 09/19] block: bdrv_get_full_backing_filename_from_...'s ret. val Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 10/19] block: bdrv_get_full_backing_filename's " Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 11/19] block: Add bdrv_make_absolute_filename() Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 12/19] block: Fix bdrv_find_backing_image() Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 13/19] block: Add bdrv_dirname() Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 14/19] blkverify: Make bdrv_dirname() return NULL Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 15/19] quorum: " Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 16/19] block/nbd: Implement bdrv_dirname() Max Reitz
2016-05-02 15:36 ` Kevin Wolf
2016-05-03 11:28 ` Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 17/19] block: Use bdrv_dirname() for relative filenames Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 18/19] block: Add 'base-directory' BDS option Max Reitz
2016-04-26 21:32 ` [Qemu-devel] [PATCH 19/19] iotests: Add quorum case to test 110 Max Reitz
2016-11-02 15:00 ` [Qemu-devel] [PATCH 00/19] block: Fix some filename generation issues Alberto Garcia
2016-11-02 15:05 ` Max Reitz
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