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Re: [Qemu-devel] [RFC v4 19/21] blockjobs: Expose manual property


From: John Snow
Subject: Re: [Qemu-devel] [RFC v4 19/21] blockjobs: Expose manual property
Date: Wed, 28 Feb 2018 14:20:38 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0


On 02/28/2018 01:25 PM, Kevin Wolf wrote:
> Am 24.02.2018 um 00:51 hat John Snow geschrieben:
>> Expose the "manual" property via QAPI for the backup-related jobs.
>> As of this commit, this allows the management API to request the
>> "concluded" and "dismiss" semantics for backup jobs.
>>
>> Signed-off-by: John Snow <address@hidden>
>> ---
>>  blockdev.c           | 19 ++++++++++++++++---
>>  qapi/block-core.json | 32 ++++++++++++++++++++++++++------
>>  2 files changed, 42 insertions(+), 9 deletions(-)
>>
>> diff --git a/blockdev.c b/blockdev.c
>> index 05fd421cdc..2eddb0e726 100644
>> --- a/blockdev.c
>> +++ b/blockdev.c
>> @@ -3260,7 +3260,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup, 
>> BlockJobTxn *txn,
>>      AioContext *aio_context;
>>      QDict *options = NULL;
>>      Error *local_err = NULL;
>> -    int flags;
>> +    int flags, job_flags = BLOCK_JOB_DEFAULT;
>>      int64_t size;
>>      bool set_backing_hd = false;
>>  
>> @@ -3279,6 +3279,9 @@ static BlockJob *do_drive_backup(DriveBackup *backup, 
>> BlockJobTxn *txn,
>>      if (!backup->has_job_id) {
>>          backup->job_id = NULL;
>>      }
>> +    if (!backup->has_manual) {
>> +        backup->manual = false;
>> +    }
> 
> I think this is unnecessary these days, NULL/0/false is the default
> value for QMP/QAPI.
> 

That's what I get for cargo cult. Eric, confirm/deny? Should I remove
the other auto-false defaults too?

Either we have them all or none of them for consistency.

--js

>>      if (!backup->has_compress) {
>>          backup->compress = false;
>>      }
>> @@ -3422,6 +3429,9 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, 
>> BlockJobTxn *txn,
>>      if (!backup->has_job_id) {
>>          backup->job_id = NULL;
>>      }
>> +    if (!backup->has_manual) {
>> +        backup->manual = false;
>> +    }
> 
> Same here.
> 
>>      if (!backup->has_compress) {
>>          backup->compress = false;
>>      }
> 
> Kevin
> 



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