On 6/29/20 10:10 PM, Christoph Hellwig wrote: > On Mon, Jun 29, 2020 at 04:43:04PM -0700, Chaitanya Kulkarni wrote: >> This patch removes the extra variables from the trace events and >> overall kernel blktrace framework. The removed members can easily be >> extracted from the remaining argument which reduces the code >> significantly and allows us to optimize the several tracepoints like >> the next patch in the series. > The subject sounds a litle strange, I'd rather say: > > "block: remove superflous arguments from tracepoints" > > The actual changes look good to me. Okay, will change that. > >> + trace_block_rq_insert(rq); >> } >> >> spin_lock(&ctx->lock); >> @@ -2111,7 +2111,7 @@ blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) >> goto queue_exit; >> } >> >> - trace_block_getrq(q, bio, bio->bi_opf); >> + trace_block_getrq(bio, bio->bi_opf); > But now that you remove more than the q argument in some spots you > might remove the op one here as well. Or limit the first patch to > just the queue argument.. > > Yeah thats is where I had difficulty, and when I tried to do it in one patch it got complicated to review. I'll keep the first patch for the q only and patch(s) for rest arguments as needed it easy to review that way.