On 9/30/2019 11:33 AM, Christoph Hellwig wrote: > On Mon, Sep 30, 2019 at 11:27:32AM +0300, Pavel Begunkov (Silence) wrote: >> From: Pavel Begunkov <asml.silence@xxxxxxxxx> >> >> 1. Reuse the same walker callback for both blk_mq_in_flight() and >> blk_mq_in_flight_rw(). >> >> 2. Store inflight counters immediately in struct mq_inflight. >> It's type-safer and removes extra indirection. > > You really want to split this into two patches. Part 2 looks very Good point, diff is peculiarly aligned indeed. I will resend it. > sensible to me, but I don't really see how 1 is qn equivalent > transformation right now. Splitting it out and writing a non-trivial > changelog might help understanding it if you think it really is > equivalent as-is. > blk_mq_check_inflight() increments only inflight[0]. blk_mq_check_inflight_rw() increments inflight[0] or inflight[1] depending on a flag, so summing them gives what the first function returns. -- Yours sincerely, Pavel Begunkov