On Mon, Oct 22, 2018 at 05:06:02PM +0800, Ming Lei wrote: > > The above may be changed to 'if (blk_try_merge(req) == ELEVATOR_DISCARD_MERGE)' > or sort of in future, which may has document benefit at least, since > ELEVATOR_DISCARD_MERGE means multi-segment discard merge. I like that idea, and we should do it for the respin