Re: anchors and their use
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 23 May 2007, Oliver Neukum wrote:
> OK, these are fixed and the timeout given in milliseconds, as David
> recommended.
>
> I looked into the inlining issue and the inlined version wins in terms
> of size.
> @@ -1270,6 +1287,11 @@ extern struct urb *usb_get_urb(struct ur
> extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags);
> extern int usb_unlink_urb(struct urb *urb);
> extern void usb_kill_urb(struct urb *urb);
> +extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
> +extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
> +extern void usb_unanchor_urb(struct urb *urb);
> +extern int usb_wait_anchor_empty_timeout
> +(struct usb_anchor *anchor, unsigned long timeout);
Suspicious line break.
> +int usb_wait_anchor_empty_timeout(struct usb_anchor *anchor, unsigned long timeout)
> +{
> + int res;
> +
> + res = wait_event_timeout(anchor->wait, list_empty(&anchor->urb_list), timeout * HZ / 1000);
What's wrong with msecs_to_jiffies()?
Ironically, it wants its argument to be an unsigned int!
Alan Stern
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