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.

-- 
Jens Axboe

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