blk-mq: add blktrace insert event trace

We need it to make 'btt' from blktrace happy, otherwise we are missing one state transition. Signed-off-by: Jens Axboe <[email protected]>
noroot · Nov 20, 2013 · 01b983c · 01b983c
1 parent f02b9ac
commit 01b983c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/block/blk-mq.c b/block/blk-mq.c
@@ -721,6 +721,8 @@ static void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx,
 {
 	struct blk_mq_ctx *ctx = rq->mq_ctx;
 
+	trace_block_rq_insert(hctx->queue, rq);
+
 	list_add_tail(&rq->queuelist, &ctx->rq_list);
 	blk_mq_hctx_mark_pending(hctx, ctx);