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Diffstat (limited to 'include/uapi/linux/io_uring.h')
-rw-r--r--include/uapi/linux/io_uring.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 1e1652f25cc1..96ee9d94b73e 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -128,12 +128,18 @@ struct io_uring_params {
__u32 flags;
__u32 sq_thread_cpu;
__u32 sq_thread_idle;
- __u32 resv[5];
+ __u32 features;
+ __u32 resv[4];
struct io_sqring_offsets sq_off;
struct io_cqring_offsets cq_off;
};
/*
+ * io_uring_params->features flags
+ */
+#define IORING_FEAT_SINGLE_MMAP (1U << 0)
+
+/*
* io_uring_register(2) opcodes and arguments
*/
#define IORING_REGISTER_BUFFERS 0