Re: [Qemu-devel] [PATCH 08/21] backup: skip unallocated clusters for full mode

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

24.01.2017 10:59, Fam Zheng wrote:
> On Fri, 12/23 17:28, Vladimir Sementsov-Ogievskiy wrote:
>> diff --git a/tests/qemu-iotests/055 b/tests/qemu-iotests/055
>> index 1d3fd04..388b7b2 100755
>> --- a/tests/qemu-iotests/055
>> +++ b/tests/qemu-iotests/055
>> @@ -30,6 +30,7 @@ target_img = os.path.join(iotests.test_dir, 'target.img')
>>   blockdev_target_img = os.path.join(iotests.test_dir, 'blockdev-target.img')
>>   
>>   image_len = 64 * 1024 * 1024 # MB
>> +pause_write = '3M'
>>   
>>   def setUpModule():
>>       qemu_img('create', '-f', iotests.imgfmt, test_img, str(image_len))
>> @@ -39,6 +40,7 @@ def setUpModule():
>>       qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xd5 1M 32k', test_img)
>>       qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xdc 32M 124k', test_img)
>>       qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x33 67043328 64k', test_img)
>> +    qemu_io('-f', iotests.imgfmt, '-c', 'write -P0xdc 40M ' + pause_write, test_img)
> What does this iotest change do?

Without this backup block-job finishes before the next query to it from 
test and test fails. This is a wide problem I suffer of on the way of 
backup improvement and it should have better solution then adjusting 
amount of data being copied...

>
> Fam
>
>>   
>>   def tearDownModule():
>>       os.remove(test_img)
>> -- 
>> 1.8.3.1
>>


-- 
Best regards,
Vladimir