Re: [PATCH 1/9] QUEUE_FLAG_NOWAIT to indicate device supports nowait

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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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