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-rw-r--r--block/blk-mq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 50d529602e05..eabc7fcd96db 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2826,6 +2826,8 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
q->tag_set = set;
q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
+ if (set->nr_maps > HCTX_TYPE_POLL)
+ blk_queue_flag_set(QUEUE_FLAG_POLL, q);
if (!(set->flags & BLK_MQ_F_SG_MERGE))
blk_queue_flag_set(QUEUE_FLAG_NO_SG_MERGE, q);