Re: [PATCH 2/3] tracing: Make tracing work when debugfs is not compiled or initialized.

Jiaxing Wang
2015-10-19T01:54:21Z

Sorry for the last patch, please use this to add stub for
debugfs_create_automount().

>From b3b877d8d9fd9795ea1055042039a272e47f4dc5 Mon Sep 17 00:00:00 2001
From: Jiaxing Wang <hello.wjx@gmail.com>
Date: Mon, 19 Oct 2015 09:46:12 +0800
Subject: [PATCH] debugfs: Add stub function for debugfs_create_automount().

Add stub for debugfs_create_automount() for when debugfs is not configured
in.

Signed-off-by: Jiaxing Wang <hello.wjx@gmail.com>
---
include/linux/debugfs.h | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 9beb636..b42ef88 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -160,6 +160,14 @@ static inline struct dentry *debugfs_create_symlink(const char *name,
return ERR_PTR(-ENODEV);
}

+static inline struct dentry *debugfs_create_automount(const char *name,
+ struct dentry *parent,
+ struct vfsmount *(*f)(void *),
+ void *data)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline void debugfs_remove(struct dentry *dentry)
{ }

--
2.1.4