On 08/09/2017 09:18 PM, Jens Axboe wrote:
> On 08/08/2017 02:36 PM, Jens Axboe wrote:
>> On 08/08/2017 02:32 PM, Shaohua Li wrote:
>>>> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
>>>> index 25f6a0cb27d3..fae021ebec1b 100644
>>>> --- a/include/linux/blkdev.h
>>>> +++ b/include/linux/blkdev.h
>>>> @@ -633,6 +633,7 @@ struct request_queue {
>>>> #define QUEUE_FLAG_REGISTERED 29 /* queue has been registered to a disk */
>>>> #define QUEUE_FLAG_SCSI_PASSTHROUGH 30 /* queue supports SCSI commands */
>>>> #define QUEUE_FLAG_QUIESCED 31 /* queue has been quiesced */
>>>> +#define QUEUE_FLAG_NOWAIT 32 /* stack device driver supports REQ_NOWAIT */
>>
>> Does this work on 32-bit, where sizeof(unsigned long) == 32?
>
> I didn't get an answer to this one.
>
Oh, I assumed the question is rhetorical.
No, it will not work on 32-bit. I was planning to change the field
queue_flags to u64. Is that okay?
--
Goldwyn
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