Re: [PATCH 1/2] block: export __blk_complete_request

[Christoph Hellwig]

On Fri, Jun 15, 2018 at 11:20:40AM +0800, Ming Lei wrote:
> > but blk_mq_check_expired doesn't do that.
> > do I miss anything ?
> 
> Right, that is the difference between blk-mq and legacy now, then if scsi-mq
> drivers can work well, they should work well with the following change in the
> non-mq mode:

We'll still need referene counting against reuse and/or premature
freeing of requests.