Re: [PATCH V5 2/3] blk-mq: mark if one queue map uses managed irq

[John Garry <john.garry@xxxxxxxxxx>]

On 21/07/2021 10:17, Ming Lei wrote:

FWIW,

Reviewed-by: John Garry <john.garry@xxxxxxxxxx>

> diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
> index 1d18447ebebc..d54a795ec971 100644
> --- a/include/linux/blk-mq.h
> +++ b/include/linux/blk-mq.h
> @@ -192,7 +192,8 @@ struct blk_mq_hw_ctx {
>   struct blk_mq_queue_map {
>   	unsigned int *mq_map;
>   	unsigned int nr_queues;
> -	unsigned int queue_offset;
> +	unsigned int queue_offset:31;
> +	unsigned int use_managed_irq:1;

late nit: I'd be inclined to call this "drain_hw_queue" or similar, 
which is what it means to blk-mq

>   };

Thanks