On Wed, Aug 08, 2012 at 07:42:24PM +0200, Hans Petter Selasky wrote: > On Wednesday 08 August 2012 19:24:18 Ed Schouten wrote: > > 2012/8/8 Hans Petter Selasky <hsela...@c2i.net>: > > >> I have a question regarding the changed fragment of code. Why don't you > > >> use unr(9) KPI to manage unit numbers ? > > > > > > Probably I could, but right now the unr interface doesn't support pending > > > unit free which I need for other reasons, see below. > > > > What does `pending unit free' mean? I also would prefer it if you used > > unr(9) -- not just here, but across the entire USB stack. > > It is like a drain state, where a unit is collected for free, and then > committed to free state when the tsw_free() is called. In the [unlocked] time > in between the unit cannot be re-used.
Still, why do you need such intermediate state ? You cannot reuse the unit number while it is in the 'pending free' still, AFAIU.
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