|
From: | Eric Blake |
Subject: | Re: [Qemu-block] [Qemu-devel] [PATCH 02/17] qcow2: No persistent dirty bitmaps for compat=0.10 |
Date: | Wed, 29 Nov 2017 10:23:27 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 11/22/2017 08:08 PM, Max Reitz wrote:
Persistent dirty bitmaps require a properly functioning autoclear_features field, or we cannot track when an unsupporting program might overwrite them. Therefore, we cannot support them for compat=0.10 images. Signed-off-by: Max Reitz <address@hidden> --- block/qcow2-bitmap.c | 10 ++++++++++ block/qcow2.c | 14 +++++++++++--- 2 files changed, 21 insertions(+), 3 deletions(-)
Missed Kevin's latest -rc3 pull request; oh well. Reviewed-by: Eric Blake <address@hidden> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
[Prev in Thread] | Current Thread | [Next in Thread] |