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>
2020-05-17 14:18:06 +03:00
parent 9dafdfc2f0
commit f2a8d5c7a2
2 changed files with 60 additions and 3 deletions
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -129,6 +129,7 @@ enum {
 	IORING_OP_SPLICE,
 	IORING_OP_PROVIDE_BUFFERS,
 	IORING_OP_REMOVE_BUFFERS,
+	IORING_OP_TEE,

 	/* this goes last, obviously */
 	IORING_OP_LAST,