The kyber ioscheduler calls trace_block_rq_insert() *after* the request is added to the queue but the documentation for trace_block_rq_insert() says that the call should be made *before* the request is added to the queue. Move the tracepoint for the kyber ioscheduler so that it is consistent with the documentation. Signed-off-by: Vincent Fu <vincent.fu@xxxxxxxxxxx> --- block/kyber-iosched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index 81e3279ec..15a8be572 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -596,13 +596,13 @@ static void kyber_insert_requests(struct blk_mq_hw_ctx *hctx, struct list_head *head = &kcq->rq_list[sched_domain]; spin_lock(&kcq->lock); + trace_block_rq_insert(rq); if (at_head) list_move(&rq->queuelist, head); else list_move_tail(&rq->queuelist, head); sbitmap_set_bit(&khd->kcq_map[sched_domain], rq->mq_ctx->index_hw[hctx->type]); - trace_block_rq_insert(rq); spin_unlock(&kcq->lock); } } -- 2.25.1
