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Re: [Qemu-devel] [PATCH] dirty-bitmaps: allow merging to disabled bitmap
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH] dirty-bitmaps: allow merging to disabled bitmaps |
Date: |
Wed, 19 Sep 2018 17:16:37 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 09/19/2018 05:08 PM, Eric Blake wrote:
> On 9/19/18 2:58 PM, John Snow wrote:
>> We wish to prohibit merging to read-only bitmaps and frozen bitmaps,
>> but "disabled" bitmaps only preclude their recording of live, new
>> information. It does not prohibit them from manual writes at the behest
>> of the user, as is the case for merge operations.
>>
>> Reported-by: Eric Blake <address@hidden>
>> Signed-off-by: John Snow <address@hidden>
>> ---
>> block/dirty-bitmap.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> I can add this to my NBD queue, if desired.
>
If that makes life easier for you, then please be my guest -- otherwise
there's no conflict in taking it through the bitmaps tree I've got.
Just let me know either way.