1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 43dc2ebfaa0e..b903fc02bdb7 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -119,6 +119,12 @@ struct kiocb {
 
         struct list_head        ki_list;        /* the aio core uses this
                                                  * for cancellation */
+
+        /*
+         * If the aio_resfd field of the userspace iocb is not zero,
+         * this is the underlying file* to deliver event to.
+         */
+        struct file             *ki_eventfd;
 };
 
 #define is_sync_kiocb(iocb)     ((iocb)->ki_key == KIOCB_SYNC_KEY)