> On 4/26/21 1:34 AM, Changheun Lee wrote:
> > Should we check queue point in bio_max_size()?
> > __device_add_disk() can be called with "register_queue=false" like as
> > device_add_disk_no_queue_reg(). How about below?
> >
> > unsigned int bio_max_size(struct bio *bio)
> > {
> > struct request_queue *q;
> >
> > q = (bio->bi_bdev) ? bio->bi_bdev->bd_disk->queue : NULL;
> > return q ? q->limits.bio_max_bytes : UINT_MAX;
> > }
>
> How could bio_max_size() get called from inside __device_add_disk() if
> no request queue is registered? Did I perhaps miss something?
>
> Thanks,
>
> Bart.
__device_add_disk() do not call bio_max_size(). I just imagined bio
operation on disk without request queue. Disk can be added without queue via
device_add_disk_no_queue_reg(). It might be my miss-understood about it.
I didn't check bio operation is possible on disk without request queue yet.
Thanks,
Changheun Lee.
