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Re: [Qemu-block] [Qemu-devel] [PATCH] block: Change bitmap truncate cond
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From: |
John Snow |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH] block: Change bitmap truncate conditional to assertion |
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Date: |
Wed, 10 Jun 2015 16:55:04 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
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On 06/10/2015 04:52 PM, Eric Blake wrote:
> On 06/10/2015 11:24 AM, John Snow wrote:
>> Requires: address@hidden
>> [PATCH] block: record new size in bdrv_dirty_bitmap_truncate
>>
>
> Shouldn't this be after the '---' separator?
>
Sorry, not used to sending single patches without a cover letter.
Kevin: If it's not inconvenient for you to do, please delete these
lines on commit.
>> This is an artifact of an older version that had both all-bitmap
>> and single-bitmap truncate functions, and some info got lost in
>> the shuffle.
>>
>> Bitmaps can only be frozen during a backup operation, and a
>> backup operation should prevent a resize operation, so just
>> assert that this cannot happen.
>>
>> Suggested-by: Kevin Wolf <address@hidden> Signed-off-by: John
>> Snow <address@hidden> --- block.c | 4 +--- 1 file changed, 1
>> insertion(+), 3 deletions(-)
>
> Reviewed-by: Eric Blake <address@hidden>
>
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