Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > (5) Add an ITER_DISCARD iterator type. This provides an iterator that > > simply discards anything written to it. It cannot be used as a data > > source. > > May I suggest an ITER_ZERO iterator type instead? It acts like /dev/zero; > writes are discarded (as you have here) and reads return zeroes. > I've wanted such a thing in the past, but got distracted away from > that project. I thought about that, but the zero-filling is not as easy to implement as the discard side - plus I don't have any use case to test it with. Do you have a use case in mind? David
