Re: [Qemu-devel] [PATCH 1/3] migration/savevm: flush file for iterable_only case

[Wei Yang <richard.weiyang@gmail.com>]

On Fri, Jul 19, 2019 at 05:47:59PM +0100, Dr. David Alan Gilbert wrote:
>* Wei Yang (richardw.yang@linux.intel.com) wrote:
>> It would be proper to flush file even for iterable_only case.
>> 
>> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
>
>OK, I don't think this is actually necessary; but it's safe.
>We only really need the flush at the end of the file, and in the
>non-iterable-only case it's not the end of the file.
>
>Since it makes your next change simpler,

Yep, you are so kind.

>
>Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
>
>> ---
>>  migration/savevm.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>> 
>> diff --git a/migration/savevm.c b/migration/savevm.c
>> index c0e557b4c2..becedcc1c6 100644
>> --- a/migration/savevm.c
>> +++ b/migration/savevm.c
>> @@ -1292,7 +1292,7 @@ int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only,
>>      }
>>  
>>      if (iterable_only) {
>> -        return 0;
>> +        goto flush;
>>      }
>>  
>>      vmdesc = qjson_new();
>> @@ -1353,6 +1353,7 @@ int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only,
>>      }
>>      qjson_destroy(vmdesc);
>>  
>> +flush:
>>      qemu_fflush(f);
>>      return 0;
>>  }
>> -- 
>> 2.17.1
>> 
>--
>Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK

-- 
Wei Yang
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