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blk-mq: add blktrace insert event trace

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We need it to make 'btt' from blktrace happy, otherwise
we are missing one state transition.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2013-11-19 18:59:10 -07:00
parent f02b9ac35a
commit 01b983c9fc
1 changed files with 2 additions and 0 deletions
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2
block/blk-mq.c
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@ -721,6 +721,8 @@ static void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx,
{ {
struct blk_mq_ctx *ctx = rq->mq_ctx; struct blk_mq_ctx *ctx = rq->mq_ctx;
trace_block_rq_insert(hctx->queue, rq);
list_add_tail(&rq->queuelist, &ctx->rq_list); list_add_tail(&rq->queuelist, &ctx->rq_list);
blk_mq_hctx_mark_pending(hctx, ctx); blk_mq_hctx_mark_pending(hctx, ctx);