On Tue, Jan 05, 2021 at 10:04:56AM +0900, Minwoo Im wrote: > It was a point that I really would like to ask by RFC whether we can > have backpointer to the gendisk from the request_queue. And I'd like to > have it to simplify this routine and for future usages also.
I think it is the right thing to do, at least mid-term, although I don't want to enforce the burden on you right now. > I will restrict this one by checking GENHD_FL_UP flag from the gendisk > for the next patch. > > > > > Alternatively we could make this request_queue QUEUE* flag for now. > > As this patch rejects I/O from the block layer partition code, can we > have this flag in gendisk rather than request_queue ? For now we can as the request_queue is required. I have some plans to clean up this area, but just using a request_queue flag for now is probably the simplest, even if it means more work for me later.
