io_uring: change read() to use a ReadBuffer instead
Reads can be done in two ways with io_uring:
* using a simple buffer
* using a automatic buffer selection which requires the user to have
provided a number of buffers before
ReadBuffer let's the caller choose where the data should be read.
52dd468cc3Vincent Rischmann committed on 5/25/2022, 11:53:09 AMparent7b3e5ce