> So far, no one has submitted a patch. OK, unless I hear that someone else is working on one I will take a look at this. > I hope the off_t parameter is passed exactly the same way as for pwritev > and its 64-bit variant, for all architectures. Duly noted. For the kernel peeps I think this makes a case for revisiting the “big hammer” control for IO polling since it is going to be a while before applications can utilize the preadv2/pwritev2 approach… I will take a look at that too. Stephen