Re: [patch v2 3/7] blk-mq: add a new queue sysfs attribute async_depth

[Bart Van Assche]

On 10/9/25 12:46 AM, Yu Kuai wrote:
> +static ssize_t queue_async_depth_show(struct gendisk *disk, char *page)
> +{
> +	ssize_t ret;
> +
> +	mutex_lock(&disk->queue->elevator_lock);
> +	ret = queue_var_show(disk->queue->async_depth, page);
> +	mutex_unlock(&disk->queue->elevator_lock);
> +	return ret;
> +}

Functions like the above can be simplified by using guard(mutex)(...) or
scoped_guard(mutex, ...).

Thanks,

Bart.