On Fri, 25 May 2007 06:03:54 +0200 Pierre Ossman <[EMAIL PROTECTED]> wrote:

> Andrew Morton wrote:
> > On Thu, 24 May 2007 14:21:35 +0200
> > Pierre Ossman <[EMAIL PROTECTED]> wrote:
> >
> >   
> >> +  /* wait for any asynchronous scanning to complete */
> >> +  if ((ROOT_DEV == 0) && root_wait) {
> >> +          printk(KERN_INFO "Waiting for root device %s...\n",
> >> +                  saved_root_name);
> >> +          do {
> >> +                  while (driver_probe_done() != 0)
> >> +                          msleep(100);
> >> +                  ROOT_DEV = name_to_dev_t(saved_root_name);
> >> +                  if (ROOT_DEV == 0)
> >> +                          msleep(100);
> >> +          } while (ROOT_DEV == 0);
> >> +  }
> >>     
> >
> > This seems overly complex.  Can't we simply do
> >
> >
> >     while (driver_probe_done() || ROOT_DEV == 0)
> >             msleep(100);
> >
> > ?
> >   
> 
> How would ROOT_DEV get updated in that loop?
> 

Whatever.  I think you can work it out ;)   

while (driver_probe_done() || (ROOT_DEV = name_to_dev_t(...)) == 0)

perhaps?

The loop-which-sleeps within a loop-which-sleeps seems poorly thought out?
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