On Sat, 7 Jul 2007, Oliver Neukum wrote:

> This is very good and worth preserving.
> 
> IMHO the storage driver should be optimized for EHCI. The others must
> work, but the most important is EHCI. So this would point to dynamic
> allocation of URBs with one preallocated URB to fall back to for the ENOMEM
> case.
> 
> This brings me to an idea.
> Is it possible to accept the next scsi request while the current request is
> being executed? That way, when the first request finishes, the URBs
> could be retained if they are needed right away and otherwise freed.

It's _possible_, but why go through all that work?  Just keep the URBs 
allocated permanently.  They don't take up much space compared with 
UHCI's TDs.

Alan Stern


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