On Mon, Aug 05, 2019 at 10:17:51PM -0300, Marcos Paulo de Souza wrote: > +void blk_execute_rq_nowait(struct gendisk *bd_disk, struct request *rq, > + int at_head, rq_end_io_fn *done) We store a ->rq_disk in struct request, so we should also not need that. And at_head should either become a bool, or be replaced with a flags argument, ints used boolean are usually not a good idea. > @@ -81,7 +80,7 @@ void blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk, And all the same argument changes that apply to blk_execute_rq_nowait apply to blk_execute_rq as well.