Re: [PATCH v2] block: Fix lockdep warning in blk_mq_mark_tag_wait

[Bart Van Assche <bvanassche@xxxxxxx>]

On 8/14/24 7:47 PM, Li Lingfeng wrote:
> @@ -56,11 +57,11 @@ void __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)
>   			return;
>   	}
>   
> -	spin_lock_irq(&tags->lock);
> +	spin_lock_irqsave(&tags->lock, flags);
>   	users = tags->active_queues + 1;
>   	WRITE_ONCE(tags->active_queues, users);
>   	blk_mq_update_wake_batch(tags, users);
> -	spin_unlock_irq(&tags->lock);
> +	spin_unlock_irqrestore(&tags->lock, flags);
>   }
>   
>   /*

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>