splice: add void cookie to the actor data

We need that for passing driver private info.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 6e7bfc125425..f277a9cdb50d 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -94,6 +94,7 @@ struct splice_desc {
         union {
                 void __user *userptr;   /* memory to write to */
                 struct file *file;      /* file to read/write */
+                void *data;             /* cookie */
         } u;
         loff_t pos;                     /* file position */
 };