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-rw-r--r--include/linux/io_uring.h5
-rw-r--r--include/uapi/linux/io_uring.h13
2 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 649a4d7c241b..1814e698d861 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -9,11 +9,14 @@
struct sock *io_uring_get_socket(struct file *file);
void __io_uring_cancel(bool cancel_all);
void __io_uring_free(struct task_struct *tsk);
+void io_uring_unreg_ringfd(void);
static inline void io_uring_files_cancel(void)
{
- if (current->io_uring)
+ if (current->io_uring) {
+ io_uring_unreg_ringfd();
__io_uring_cancel(false);
+ }
}
static inline void io_uring_task_cancel(void)
{
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 787f491f0d2a..42b2fe84dbcd 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -257,10 +257,11 @@ struct io_cqring_offsets {
/*
* io_uring_enter(2) flags
*/
-#define IORING_ENTER_GETEVENTS (1U << 0)
-#define IORING_ENTER_SQ_WAKEUP (1U << 1)
-#define IORING_ENTER_SQ_WAIT (1U << 2)
-#define IORING_ENTER_EXT_ARG (1U << 3)
+#define IORING_ENTER_GETEVENTS (1U << 0)
+#define IORING_ENTER_SQ_WAKEUP (1U << 1)
+#define IORING_ENTER_SQ_WAIT (1U << 2)
+#define IORING_ENTER_EXT_ARG (1U << 3)
+#define IORING_ENTER_REGISTERED_RING (1U << 4)
/*
* Passed in for io_uring_setup(2). Copied back with updated info on success
@@ -325,6 +326,10 @@ enum {
/* set/get max number of io-wq workers */
IORING_REGISTER_IOWQ_MAX_WORKERS = 19,
+ /* register/unregister io_uring fd with the ring */
+ IORING_REGISTER_RING_FDS = 20,
+ IORING_UNREGISTER_RING_FDS = 21,
+
/* this goes last */
IORING_REGISTER_LAST
};