Make io_accept() to handle file descriptor allocations and installation.
A preparation patch for bypassing file tables.
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/5b73d204caa0ce979ccb98136695b60f52a3d98c.1629888991.git.asml.silence@gmail.comSigned-off-by: NJens Axboe <axboe@kernel.dk>