Am Freitag, 4. Mai 2007 21:46 schrieb Alan Stern:
> On Fri, 4 May 2007, Oliver Neukum wrote:
> 
> > > A better approach would be to have a routine which would block until all 
> > > URBs on an anchor have completed.  With a timeout, so that they can be 
> > > killed if they take too long.
> > 
> > I can't follow your logic here. The partial completion case has to be
> > handled anyway, so what is gained waiting?
> 
> The URB's completion handler will see the unlink and treat it as a normal
> I/O error (maybe even realize that the URB timed out).  The user's I/O
> will fail just as it would in case of a normal timeout.  Remember, this is 
> abnormal activity -- in the common case we expect there will be no timeout 
> and no errors.

What makes you sure it is abnormal? What would impose an upper bound
on the time a device may have data?

        Regards
                Oliver

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