[PATCH 07/10] kernfs: add kernfs_open_file->priv

[Tejun Heo <tj@kernel.org>]

Add a private data field to be used by kernfs file operations.  This
generally makes sense and will be used by cgroup.

Signed-off-by: Tejun Heo <tj@kernel.org>
---
 include/linux/kernfs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 47f5235..9ca0f09 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -146,6 +146,7 @@ struct kernfs_open_file {
 	/* published fields */
 	struct kernfs_node	*kn;
 	struct file		*file;
+	void			*priv;
 
 	/* private fields, do not use outside kernfs proper */
 	struct mutex		mutex;
-- 
1.8.5.3