From: Tejun Heo <tj@kernel.org>
Date: Mon, 3 Feb 2014 19:09:14 +0000 (-0500)
Subject: kernfs: add kernfs_open_file->priv
X-Git-Tag: v3.15-rc1~140^2~25
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2536390da0d300b2734c721235c082498879841d;p=users%2Fjedix%2Flinux-maple.git

kernfs: add kernfs_open_file->priv

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 47f5235a097a..9ca0f09757a1 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;