Re: mark_bh in Linux 2.6.12 kernel

[Peter Hagervall <hager@cs.umu.se>]

On Wed, Mar 29, 2006 at 04:31:49PM +0530, shiva g wrote:
> Here is the source
> 
> static __inline__ void usbd_schedule_device_bh(struct usb_device_instance 
> *device)
> {
>    if (device && (device->status != USBD_CLOSING) && 
> !device->device_bh.sync) {
>        queue_task(&device->device_bh, &tq_immediate);
>        mark_bh(IMMEDIATE_BH);
>    }
> }
> 
> Also,in the below code, will replacing "schedule_task" simply by 
> "schedule_work" work?
> static __inline__ void usbd_schedule_function_bh(struct usb_device_instance 
> *device)
> {
>    if (device && (device->status != USBD_CLOSING) && 
> !device->function_bh.sync) {
>    schedule_task(&device->function_bh);
>    }
> 

Have a look at http://lwn.net/images/pdf/LDD3/ch10.pdf

It should answer your questions.

	Peter

-- 
Peter Hagervall......................email: hager@cs.umu.se
Department of Computing Science........tel: +46(0)90 786 7018
University of Umeå, SE-901 87 Umeå.....fax: +46(0)90 786 6126
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