io_uring.h: 5.12 pending kernel sync

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h
index 0bb55b0..1d47389 100644
--- a/src/include/liburing/io_uring.h
+++ b/src/include/liburing/io_uring.h
@@ -141,6 +141,7 @@
 	IORING_OP_SHUTDOWN,
 	IORING_OP_RENAMEAT,
 	IORING_OP_UNLINKAT,
+	IORING_OP_MKDIRAT,
 
 	/* this goes last, obviously */
 	IORING_OP_LAST,
@@ -295,6 +296,9 @@
 	__aligned_u64 /* __s32 * */ fds;
 };
 
+/* Skip updating fd indexes set to this value in the fd table */
+#define IORING_REGISTER_FILES_SKIP	(-2)
+
 #define IO_URING_OP_SUPPORTED	(1U << 0)
 
 struct io_uring_probe_op {