Re: 1GB/2GB/3GB User Space Splitting Patch 2.6.8.1 (PSEUDO SPAM)

[jmerkey]

> What kernel version?  I can't even find usb_read_device() in 2.6.9-rc1.
> 
> BTW, as someone else requested, please teach your mail client to wrap
> lines around column 70-72.  Thanks.
> 
> ~Randy

linux-2.6.8.1.tar.gz

static ssize_t usb_device_read(struct file *file, 
                                                         char __user *buf, 
                                                         size_t nbytes, 
                                                         loff_t *ppos)
{
        struct list_head *buslist;
        struct usb_bus *bus;
        ssize_t ret, total_written = 0;
        loff_t skip_bytes = *ppos;
                                                                                
        if (*ppos < 0)
                return -EINVAL;
        if (nbytes <= 0)
                return 0;
        if (!access_ok(VERIFY_WRITE, buf, nbytes))
                return -EFAULT;
                                                                                
        /* enumerate busses */
        down (&usb_bus_list_lock);
        for (buslist = usb_bus_list.next; 
               buslist != &usb_bus_list; 
               buslist = buslist->next) {
                /* print devices for this bus */
                bus = list_entry(buslist, struct usb_bus, 
                                             bus_list);
                /* print devices for this bus */
                bus = list_entry(buslist, struct usb_bus, 
                                             bus_list);
                                                                                
                /* recurse through all children of the root hub */
                if (!bus->root_hub)
                        continue;

// IT BARFS RIGHT HERE -->
                down(&bus->root_hub->serialize);

Jeff

P.S.  I am using my comcast account which
is not as good as MUTT -- line wrap settings
since it is web based.  
drdos.com gets rejected
so I am typing less characters/line. :-)
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