diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6baa0c9fc06d..ee8c6f9f1d4d 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1434,12 +1434,11 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) cookie = request_to_qc_t(data.hctx, rq); if (unlikely(is_flush_fua)) { - blk_mq_put_ctx(data.ctx); + if (q->elevator) + goto elv_insert; blk_mq_bio_to_request(rq, bio); - blk_mq_get_driver_tag(rq, NULL, true); blk_insert_flush(rq); - blk_mq_run_hw_queue(data.hctx, true); - goto done; + goto run_queue; } plug = current->plug; @@ -1489,6 +1488,7 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) } if (q->elevator) { +elv_insert: blk_mq_put_ctx(data.ctx); blk_mq_bio_to_request(rq, bio); blk_mq_sched_insert_request(rq, false, true, @@ -1502,6 +1502,7 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) * latter allows for merging opportunities and more efficient * dispatching. */ +run_queue: blk_mq_run_hw_queue(data.hctx, !is_sync || is_flush_fua); } blk_mq_put_ctx(data.ctx); @@ -1557,12 +1558,11 @@ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) cookie = request_to_qc_t(data.hctx, rq); if (unlikely(is_flush_fua)) { - blk_mq_put_ctx(data.ctx); + if (q->elevator) + goto elv_insert; blk_mq_bio_to_request(rq, bio); - blk_mq_get_driver_tag(rq, NULL, true); blk_insert_flush(rq); - blk_mq_run_hw_queue(data.hctx, true); - goto done; + goto run_queue; } /* @@ -1600,6 +1600,7 @@ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) } if (q->elevator) { +elv_insert: blk_mq_put_ctx(data.ctx); blk_mq_bio_to_request(rq, bio); blk_mq_sched_insert_request(rq, false, true, @@ -1613,6 +1614,7 @@ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) * latter allows for merging opportunities and more efficient * dispatching. */ +run_queue: blk_mq_run_hw_queue(data.hctx, !is_sync || is_flush_fua); } |