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-rw-r--r--include/uapi/linux/io_uring.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index cfd17e382082..8c3d43caab02 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -449,6 +449,7 @@ enum io_uring_msg_ring_flags {
#define IORING_NOP_FILE (1U << 1)
#define IORING_NOP_FIXED_FILE (1U << 2)
#define IORING_NOP_FIXED_BUFFER (1U << 3)
+#define IORING_NOP_TW (1U << 4)
/*
* IO completion data structure (Completion Queue Entry)