ca591967543a ("ITER_PIPE: lose iter_head argument of __pipe_get_pages()")
e3b42964f84c ("ITER_PIPE: fold push_pipe() into __pipe_get_pages()")
47b7fcae419d ("ITER_PIPE: helpers for adding pipe buffers")
9d2231c5d74e ("lib/iov_iter: initialize "flags" in new pipe_buffer")