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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 e23408692118..a7a6384d0c70 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -38,6 +38,7 @@ struct io_uring_sqe {
* sqe->flags
*/
#define IOSQE_FIXED_FILE (1U << 0) /* use fixed fileset */
+#define IOSQE_IO_DRAIN (1U << 1) /* issue after inflight IO */
/*
* io_uring_setup() flags