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-rw-r--r--block/blk-core.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 9677c6525ed8..936876ab662d 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1401,13 +1401,19 @@ bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
struct blk_plug *plug;
struct request *rq;
bool ret = false;
+ struct list_head *plug_list;
plug = current->plug;
if (!plug)
goto out;
*request_count = 0;
- list_for_each_entry_reverse(rq, &plug->list, queuelist) {
+ if (q->mq_ops)
+ plug_list = &plug->mq_list;
+ else
+ plug_list = &plug->list;
+
+ list_for_each_entry_reverse(rq, plug_list, queuelist) {
int el_ret;
if (rq->q == q)