Douglas Gilbert wrote:
> Boaz Harrosh wrote:
>> - Introduce a new enum dma_data_direction data_dir member in struct request.
>> and remove the RW bit from request->cmd_flag
>> - Add new API to query request direction.
>> - Adjust existing API and implementation.
>> - Cleanup wrong use of DMA_BIDIRECTIONAL
>> - Introduce new blk_rq_init_unqueued_req() and use it in places ad-hoc
>> requests were used and bzero'ed.
>
> With a bi-directional transfer is it always unambiguous
> which transfer occurs first (or could they occur at
> the same time)?
The bidi transfers can occur in any order and in parallel.
>
> Doug Gilbert
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