[PATCH 02/15] perf tools: Remove mountpoint arg from perf_debugfs_mount

From: Jiri Olsa
Date: Wed Sep 02 2015 - 03:57:00 EST


It's not used by any caller. We either detect the mountpoint
or use hardcoded one.

Link: http://lkml.kernel.org/n/tip-7bbr92o7gwv5bkpancqoypz3@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/perf.c | 2 +-
tools/perf/util/util.c | 14 +++++++-------
tools/perf/util/util.h | 2 +-
3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 07dbff5c0e60..f500a4b40722 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -518,7 +518,7 @@ int main(int argc, const char **argv)
if (!cmd)
cmd = "perf-help";
/* get debugfs mount point from /proc/mounts */
- perf_debugfs_mount(NULL);
+ perf_debugfs_mount();
/*
* "perf-xxxx" is the same as "perf xxxx", but we obviously:
*
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 7acafb3c5592..74f71f8afcc2 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -398,11 +398,11 @@ static void set_tracing_events_path(const char *tracing, const char *mountpoint)
mountpoint, tracing, "events");
}

-static const char *__perf_tracefs_mount(const char *mountpoint)
+static const char *__perf_tracefs_mount(void)
{
const char *mnt;

- mnt = tracefs_mount(mountpoint);
+ mnt = tracefs_mount(NULL);
if (!mnt)
return NULL;

@@ -411,11 +411,11 @@ static const char *__perf_tracefs_mount(const char *mountpoint)
return mnt;
}

-static const char *__perf_debugfs_mount(const char *mountpoint)
+static const char *__perf_debugfs_mount(void)
{
const char *mnt;

- mnt = debugfs_mount(mountpoint);
+ mnt = debugfs_mount(NULL);
if (!mnt)
return NULL;

@@ -424,15 +424,15 @@ static const char *__perf_debugfs_mount(const char *mountpoint)
return mnt;
}

-const char *perf_debugfs_mount(const char *mountpoint)
+const char *perf_debugfs_mount(void)
{
const char *mnt;

- mnt = __perf_tracefs_mount(mountpoint);
+ mnt = __perf_tracefs_mount();
if (mnt)
return mnt;

- mnt = __perf_debugfs_mount(mountpoint);
+ mnt = __perf_debugfs_mount();

return mnt;
}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 291be1d84bc3..184d40048faa 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -86,7 +86,7 @@ extern char buildid_dir[];
extern char tracing_path[];
extern char tracing_events_path[];
extern void perf_debugfs_set_path(const char *mountpoint);
-const char *perf_debugfs_mount(const char *mountpoint);
+const char *perf_debugfs_mount(void);
char *get_tracing_file(const char *name);
void put_tracing_file(char *file);

--
2.4.3

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