From 4dcc03fc4553943c8bae086aa826bb75171e82a1 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 8 Aug 2014 14:21:29 -0700
Subject: [PATCH] proc: make proc_subdir_lock static

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/generic.c  | 2 +-
 fs/proc/internal.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 190862e89880..317b72641ebf 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -27,7 +27,7 @@
 
 #include "internal.h"
 
-DEFINE_SPINLOCK(proc_subdir_lock);
+static DEFINE_SPINLOCK(proc_subdir_lock);
 
 static int proc_match(unsigned int len, const char *name, struct proc_dir_entry *de)
 {
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index a38408a1dd84..a17accbd05ee 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -178,8 +178,6 @@ extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, i
 /*
  * generic.c
  */
-extern spinlock_t proc_subdir_lock;
-
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int);
 extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *,
 				     struct dentry *);