# Re: \[PATCH\] bluetooth.h: \_\_ variants of u8 and friends are not neccessary inside kernel

- From: Joe Perches \<joe@perches.com\>
- Date: 2016-10-05 17:53:40 
- List: netdev
- Page: https://ratatoskr.run/netdev/2016/10/4848635
- Thread: https://ratatoskr.run/linux-bluetooth/2016/10/4847397/t.md

```text
On Wed, 2016-10-05 at 13:14 +0200, Marcel Holtmann wrote:
> Hi Pavel,
> 
> > bluetooth.h is not part of user API, so __ variants are not neccessary
> > here.
> > 
> > Signed-off-by: Pavel Machek <redacted>
> > 
> > diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
[]
> > struct bt_skb_cb {
> > -	__u8 pkt_type;
> > -	__u8 force_active;
> > -	__u16 expect;
> > -	__u8 incoming:1;
> > +	u8 pkt_type;
> > +	u8 force_active;
> > +	u16 expect;
> > +	u8 incoming:1;
> > 	union {
> > 		struct l2cap_ctrl l2cap;
> > 		struct hci_ctrl hci;

trivia:

It's generally faster to use bool instead of u8 foo:1;
```