[PATCH 4/6 v3] tools lib api fs: Add DEBUGFS_DEFAULT_PATH macro

From: Steven Rostedt
Date: Mon Feb 09 2015 - 10:41:19 EST


From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx>

Instead of hard coding "/sys/kernel/debug" everywhere, create
a macro to hold where the default path exists.

Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
tools/lib/api/fs/debugfs.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c
index 91e1668348ce..07d74b03d828 100644
--- a/tools/lib/api/fs/debugfs.c
+++ b/tools/lib/api/fs/debugfs.c
@@ -10,10 +10,14 @@

#include "debugfs.h"

-char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug";
+#ifndef DEBUGFS_DEFAULT_PATH
+#define DEBUGFS_DEFAULT_PATH "/sys/kernel/debug"
+#endif
+
+char debugfs_mountpoint[PATH_MAX + 1] = DEBUGFS_DEFAULT_PATH;

static const char * const debugfs_known_mountpoints[] = {
- "/sys/kernel/debug",
+ DEBUGFS_DEFAULT_PATH,
"/debug",
0,
};
@@ -50,7 +54,7 @@ char *debugfs_mount(const char *mountpoint)
mountpoint = getenv(PERF_DEBUGFS_ENVIRONMENT);
/* if no environment variable, use default */
if (mountpoint == NULL)
- mountpoint = "/sys/kernel/debug";
+ mountpoint = DEBUGFS_DEFAULT_PATH;
}

if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0)
--
2.1.4


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