[dm-devel] split scsi passthrough fields out of struct request V2

[hch at lst.de]

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.