Re: [PATCH v2 1/3] scsi_cmnd: Introduce scsi_transfer_length helper

Vladislav Bolkhovitin
2014-06-25T01:17:40Z

Martin K. Petersen, on 06/23/2014 06:58 PM wrote:
>>>>>> "Mike" == Mike Christie <michaelc@cs.wisc.edu> writes:
>>> + unsigned int xfer_len = blk_rq_bytes(scmd->request);
>
> Mike> Can you do bidi and dif/dix?
>
> Nope.

Correction: at the moment.

There is a proposal of READ GATHERED command, which is bidirectional and potentially
DIF/DIX.

Vlad