summaryrefslogtreecommitdiff
path: root/block
diff options
context:
space:
mode:
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 89b4dd81ae17..08093d4348dd 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2879,15 +2879,16 @@ static inline struct request *blk_mq_get_cached_request(struct request_queue *q,
if (!plug)
return NULL;
- rq = rq_list_peek(&plug->cached_rq);
- if (!rq || rq->q != q)
- return NULL;
if (blk_mq_attempt_bio_merge(q, *bio, nsegs)) {
*bio = NULL;
return NULL;
}
+ rq = rq_list_peek(&plug->cached_rq);
+ if (!rq || rq->q != q)
+ return NULL;
+
type = blk_mq_get_hctx_type((*bio)->bi_opf);
hctx_type = rq->mq_hctx->type;
if (type != hctx_type &&