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| author | Jens Axboe <axboe@kernel.dk> | 2013-11-19 18:59:10 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-11-19 19:00:45 -0700 |
| commit | 01b983c9fcfeea5774ca2df2e167b68c3c299278 (patch) | |
| tree | be2bdbbd77472f73ec758f69b5320216c101a90b /block/blk-mq.c | |
| parent | f02b9ac35a47dff745c7637fbc095f01cc03646e (diff) | |
| download | lwn-01b983c9fcfeea5774ca2df2e167b68c3c299278.tar.gz lwn-01b983c9fcfeea5774ca2df2e167b68c3c299278.zip | |
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 <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 32593dba4684..cdc629cf075b 100644 --- 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); |