Move the blk_mq_bio_to_request() call in front of the if-statement.
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
block/blk-mq.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4d661545ad1d..0fa03f524541 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1975,10 +1975,10 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
cookie = request_to_qc_t(data.hctx, rq);
+ blk_mq_bio_to_request(rq, bio, nr_segs);
+
plug = current->plug;
if (unlikely(is_flush_fua)) {
- blk_mq_bio_to_request(rq, bio, nr_segs);
-
/* bypass scheduler for flush rq */
blk_insert_flush(rq);
blk_mq_run_hw_queue(data.hctx, true);
@@ -1990,8 +1990,6 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
unsigned int request_count = plug->rq_count;
struct request *last = NULL;
- blk_mq_bio_to_request(rq, bio, nr_segs);
-
if (!request_count)
trace_block_plug(q);
else
@@ -2005,8 +2003,6 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
blk_add_rq_to_plug(plug, rq);
} else if (plug && !blk_queue_nomerges(q)) {
- blk_mq_bio_to_request(rq, bio, nr_segs);
-
/*
* We do limited plugging. If the bio can be merged, do that.
* Otherwise the existing request in the plug list will be
@@ -2031,10 +2027,8 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
}
} else if ((q->nr_hw_queues > 1 && is_sync) || (!q->elevator &&
!data.hctx->dispatch_busy)) {
- blk_mq_bio_to_request(rq, bio, nr_segs);
blk_mq_try_issue_directly(data.hctx, rq, &cookie);
} else {
- blk_mq_bio_to_request(rq, bio, nr_segs);
blk_mq_sched_insert_request(rq, false, true, true);
}
--
2.22.0.410.gd8fdbe21b5-goog
