Copy IORING_SETUP_SINGLE_ISSUER into io_uring.h
Copy from the 5.20 tree IORING_SETUP_SINGLE_ISSUER which is queued up.
Link:
@@ -134,6 +134,10 @@ enum {
#define IORING_SETUP_SQE128 (1U << 10) /* SQEs are 128 byte */
#define IORING_SETUP_CQE32 (1U << 11) /* CQEs are 32 byte */
+/*
+ * Only one task is allowed to submit requests
+ */
+#define IORING_SETUP_SINGLE_ISSUER (1U << 12)
enum io_uring_op {
IORING_OP_NOP,
