[pve-devel] [Qemu-devel] [PATCH] use int64_t for return values from rbd instead of int

[Stefan Priebe - Profihost AG]

Not sure about off_t. What is min and max size?

Stefan

Am 21.11.2012 um 18:03 schrieb Stefan Weil <sw at weilnetz.de>:

> Am 20.11.2012 13:44, schrieb Stefan Priebe:
>> rbd / rados tends to return pretty often length of writes
>> or discarded blocks. These values might be bigger than int.
>> 
>> Signed-off-by: Stefan Priebe <s.priebe at profihost.ag>
>> ---
>>  block/rbd.c |    4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/block/rbd.c b/block/rbd.c
>> index f57d0c6..6bf9c2e 100644
>> --- a/block/rbd.c
>> +++ b/block/rbd.c
>> @@ -69,7 +69,7 @@ typedef enum {
>>  typedef struct RBDAIOCB {
>>      BlockDriverAIOCB common;
>>      QEMUBH *bh;
>> -    int ret;
>> +    int64_t ret;
>>      QEMUIOVector *qiov;
>>      char *bounce;
>>      RBDAIOCmd cmd;
>> @@ -87,7 +87,7 @@ typedef struct RADOSCB {
>>      int done;
>>      int64_t size;
>>      char *buf;
>> -    int ret;
>> +    int64_t ret;
>>  } RADOSCB;
>>    #define RBD_FD_READ 0
> 
> 
> Why do you use int64_t instead of off_t?
> If the value is related to file sizes, off_t would be a good choice.
> 
> Stefan W.
> 
> 
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