On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote: > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox <wi...@infradead.org> wrote: > > > > You should probably take a look at io_uring. That has the level of > > complexity of this proposal and supports open/read/close along with many > > other opcodes. > > Then glibc can implement readfile using io_uring and there is no need > for a new single-file readfile syscall.
It could, sure. But there's also a value in having a simple interface to accomplish a simple task. Your proposed API added a very complex interface to satisfy needs that clearly aren't part of the problem space that Greg is looking to address.
