linux-kernel - [PATCH 08/11] perf tools: Do not export debugfs_mountpoint and tracefs

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Date:	Wed, 26 Aug 2015 15:46:50 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Raphaël Beamonte <raphael.beamonte@...il.com>
Subject: [PATCH 08/11] perf tools: Do not export debugfs_mountpoint and tracefs_mountpoint

Both debugfs_mountpoint and tracefs_mountpoint should not be changed
externally.  Both mounpoints are returned by following interface:

  debugfs_find_mountpoint
  tracefs_find_mountpoint

Link: http://lkml.kernel.org/n/tip-ptrbv90c13ebticnfu1ysye7@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/lib/api/fs/debugfs.c | 2 +-
 tools/lib/api/fs/debugfs.h | 2 --
 tools/lib/api/fs/tracefs.c | 2 +-
 tools/lib/api/fs/tracefs.h | 2 --
 4 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c
index 896c3595c9df..9e7e039a99ae 100644
--- a/tools/lib/api/fs/debugfs.c
+++ b/tools/lib/api/fs/debugfs.c
@@ -18,7 +18,7 @@
 #define DEBUGFS_DEFAULT_PATH		"/sys/kernel/debug"
 #endif
 
-char debugfs_mountpoint[PATH_MAX + 1] = DEBUGFS_DEFAULT_PATH;
+static char debugfs_mountpoint[PATH_MAX + 1] = DEBUGFS_DEFAULT_PATH;
 
 static const char * const debugfs_known_mountpoints[] = {
 	DEBUGFS_DEFAULT_PATH,
diff --git a/tools/lib/api/fs/debugfs.h b/tools/lib/api/fs/debugfs.h
index 19a618e9dbc1..0eb57ecbbb5f 100644
--- a/tools/lib/api/fs/debugfs.h
+++ b/tools/lib/api/fs/debugfs.h
@@ -15,6 +15,4 @@ bool debugfs_configured(void);
 const char *debugfs_find_mountpoint(void);
 char *debugfs_mount(const char *mountpoint);
 
-extern char debugfs_mountpoint[];
-
 #endif /* __API_DEBUGFS_H__ */
diff --git a/tools/lib/api/fs/tracefs.c b/tools/lib/api/fs/tracefs.c
index e4aa9688b71e..b5d34ee3cddc 100644
--- a/tools/lib/api/fs/tracefs.c
+++ b/tools/lib/api/fs/tracefs.c
@@ -16,7 +16,7 @@
 #define TRACEFS_DEFAULT_PATH		"/sys/kernel/tracing"
 #endif
 
-char tracefs_mountpoint[PATH_MAX + 1] = TRACEFS_DEFAULT_PATH;
+static char tracefs_mountpoint[PATH_MAX + 1] = TRACEFS_DEFAULT_PATH;
 
 static const char * const tracefs_known_mountpoints[] = {
 	TRACEFS_DEFAULT_PATH,
diff --git a/tools/lib/api/fs/tracefs.h b/tools/lib/api/fs/tracefs.h
index da780ac49acb..be7d4c543de5 100644
--- a/tools/lib/api/fs/tracefs.h
+++ b/tools/lib/api/fs/tracefs.h
@@ -16,6 +16,4 @@ const char *tracefs_find_mountpoint(void);
 int tracefs_valid_mountpoint(const char *debugfs);
 char *tracefs_mount(const char *mountpoint);
 
-extern char tracefs_mountpoint[];
-
 #endif /* __API_DEBUGFS_H__ */
-- 
2.4.3

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