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-rw-r--r--include/uapi/linux/io_uring.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 476e58a2837f..cc7fe82a1798 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -191,8 +191,11 @@ enum {
* ASYNC_CANCEL flags.
*
* IORING_ASYNC_CANCEL_ALL Cancel all requests that match the given key
+ * IORING_ASYNC_CANCEL_FD Key off 'fd' for cancelation rather than the
+ * request 'user_data'
*/
#define IORING_ASYNC_CANCEL_ALL (1U << 0)
+#define IORING_ASYNC_CANCEL_FD (1U << 1)
/*
* IO completion data structure (Completion Queue Entry)