# Re: split scsi passthrough fields out of struct request V2

- From: hch@lst.de \<hch@lst.de\>
- Date: 2017-01-28 08:29:02 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2017/01/6370280
- Thread: https://ratatoskr.run/linux-scsi/2017/01/6370318/t.md

```text
On Fri, Jan 27, 2017 at 09:27:53PM +0000, Bart Van Assche wrote:
> Have you considered to convert all block drivers to the new
> approach and to get rid of request.special? If so, do you already
> have plans to start working on this? I'm namely wondering wheter I
> should start working on this myself.

Hi Bart,

I'd love to have all drivers move of using .special (and thus reducing
request size further).  I think the general way to do that is to convert
them to blk-mq and not using the legacy cmd_size field.
```