On 5/28/18 7:43 AM, Ladvine D Almeida wrote:

This patch introduces new variable under bio structure to
facilitate inline encryption. This variable is used to
associate I/O requests to crypto information.

Hard no on this, for two reasons:

1) Any additions to struct bio are scrutinized heavily and
   need strong justification.

2) Without an actual use case, any change is always denied.
   This is just a stand-alone patch.

On top of that, you have it inside BLK_CGROUP, which is
probably not what you want.

-- 
Jens Axboe