io_uring: mark us with IORING_FEAT_SUBMIT_STABLE

If this flag is set, applications can be certain that any data for async offload has been consumed when the kernel has consumed the SQE. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-12-02 18:51:26 -07:00
parent f499a021ea
commit da8c969069
2 changed files with 3 additions and 1 deletions
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -157,6 +157,7 @@ struct io_uring_params {
 */
 #define IORING_FEAT_SINGLE_MMAP		(1U << 0)
 #define IORING_FEAT_NODROP		(1U << 1)
+#define IORING_FEAT_SUBMIT_STABLE	(1U << 2)

 /*
 * io_uring_register(2) opcodes and arguments