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

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Message-ID: <20151019015416.GA29218@cac>
Date:	Mon, 19 Oct 2015 09:54:16 +0800
From:	Jiaxing Wang <hello.wjx@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [PATCH 2/3] tracing: Make tracing work when debugfs is not
 compiled or initialized.

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@...il.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@...il.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

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