io_uring: add tee(2) support

Add IORING_OP_TEE implementing tee(2) support. Almost identical to
splice bits, but without offsets.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-05-17 14:18:06 +03:00 • committed by Jens Axboe
commit f2a8d5c7a2
2 changed files with 60 additions and 3 deletions