1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index d54b8b7e0746..368c34d14b13 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -4,6 +4,7 @@
 #include <linux/blkdev.h>
 #include <linux/task_work.h>
 #include <linux/bitmap.h>
+#include <linux/llist.h>
 #include <uapi/linux/io_uring.h>
 
 struct io_wq_work_node {
@@ -43,6 +44,30 @@ struct io_hash_table {
 	unsigned		hash_bits;
 };
 
+/*
+ * Arbitrary limit, can be raised if need be
+ */
+#define IO_RINGFD_REG_MAX 16
+
+struct io_uring_task {
+	/* submission side */
+	int				cached_refs;
+	const struct io_ring_ctx 	*last;
+	struct io_wq			*io_wq;
+	struct file			*registered_rings[IO_RINGFD_REG_MAX];
+
+	struct xarray			xa;
+	struct wait_queue_head		wait;
+	atomic_t			in_idle;
+	atomic_t			inflight_tracked;
+	struct percpu_counter		inflight;
+
+	struct { /* task_work */
+		struct llist_head	task_list;
+		struct callback_head	task_work;
+	} ____cacheline_aligned_in_smp;
+};
+
 struct io_uring {
 	u32 head ____cacheline_aligned_in_smp;
 	u32 tail ____cacheline_aligned_in_smp;