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-rw-r--r--include/linux/io_uring_types.h5
-rw-r--r--include/uapi/linux/io_uring.h4
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index e4e67899b134..d3009d56af0b 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -321,6 +321,11 @@ struct io_ring_ctx {
struct hlist_head waitid_list;
+#ifdef CONFIG_FUTEX
+ struct hlist_head futex_list;
+ struct io_alloc_cache futex_cache;
+#endif
+
const struct cred *sq_creds; /* cred used for __io_sq_thread() */
struct io_sq_data *sq_data; /* if using sq thread polling */
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 0f7f6acd0e5a..f1c16f817742 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -70,6 +70,7 @@ struct io_uring_sqe {
__u32 msg_ring_flags;
__u32 uring_cmd_flags;
__u32 waitid_flags;
+ __u32 futex_flags;
};
__u64 user_data; /* data to be passed back at completion time */
/* pack this to avoid bogus arm OABI complaints */
@@ -249,6 +250,9 @@ enum io_uring_op {
IORING_OP_SENDMSG_ZC,
IORING_OP_READ_MULTISHOT,
IORING_OP_WAITID,
+ IORING_OP_FUTEX_WAIT,
+ IORING_OP_FUTEX_WAKE,
+ IORING_OP_FUTEX_WAITV,
/* this goes last, obviously */
IORING_OP_LAST,