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

[Yu Kuai]

Hi,

在 2025/10/10 1:05, Bart Van Assche 写道:
> 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, ...).

Yeah, sounds good. I'm still not used to this.

Thanks,
Kuai

> Thanks,
>
> Bart.