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-rw-r--r--block/blk-mq.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4b2c8e940f59..cf626e061dd7 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4310,6 +4310,12 @@ int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
/* mark the queue as mq asap */
q->mq_ops = set->ops;
+ /*
+ * ->tag_set has to be setup before initialize hctx, which cpuphp
+ * handler needs it for checking queue mapping
+ */
+ q->tag_set = set;
+
if (blk_mq_alloc_ctxs(q))
goto err_exit;
@@ -4328,8 +4334,6 @@ int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
INIT_WORK(&q->timeout_work, blk_mq_timeout_work);
blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ);
- q->tag_set = set;
-
q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
INIT_DELAYED_WORK(&q->requeue_work, blk_mq_requeue_work);