[tip:perf/core] tools lib api fs: Replace debugfs/ tracefs objects interface with fs.c

[tip-bot for Jiri Olsa <tipbot@zytor.com>]

Commit-ID:  4605eab3487dc818b1f3cbee2cd139cca3564be7
Gitweb:     http://git.kernel.org/tip/4605eab3487dc818b1f3cbee2cd139cca3564be7
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Wed, 2 Sep 2015 09:56:43 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 14 Sep 2015 12:50:15 -0300

tools lib api fs: Replace debugfs/tracefs objects interface with fs.c

Switching to the fs.c related filesystem framework.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Raphael Beamonte <raphael.beamonte@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1441180605-24737-14-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/lib/api/fs/fs.c                      |  1 -
 tools/lib/api/fs/tracing_path.c            | 15 +++++++--------
 tools/perf/builtin-kvm.c                   |  1 -
 tools/perf/builtin-probe.c                 |  1 -
 tools/perf/tests/openat-syscall-all-cpus.c |  5 +++--
 tools/perf/tests/openat-syscall.c          |  5 +++--
 tools/perf/tests/parse-events.c            |  7 +++----
 tools/perf/util/evsel.c                    |  2 +-
 tools/perf/util/probe-event.c              |  5 ++---
 tools/perf/util/probe-file.c               |  7 +++----
 tools/perf/util/util.h                     |  3 +--
 11 files changed, 23 insertions(+), 29 deletions(-)

diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index 8afe08a..7915093 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -11,7 +11,6 @@
 #include <unistd.h>
 #include <sys/mount.h>
 
-#include "debugfs.h"
 #include "fs.h"
 
 #define _STR(x) #x
diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_path.c
index 1e0bb0d..38aca2d 100644
--- a/tools/lib/api/fs/tracing_path.c
+++ b/tools/lib/api/fs/tracing_path.c
@@ -7,8 +7,7 @@
 #include <string.h>
 #include <errno.h>
 #include <unistd.h>
-#include "debugfs.h"
-#include "tracefs.h"
+#include "fs.h"
 
 #include "tracing_path.h"
 
@@ -29,7 +28,7 @@ static const char *tracing_path_tracefs_mount(void)
 {
 	const char *mnt;
 
-	mnt = tracefs_mount(NULL);
+	mnt = tracefs__mount();
 	if (!mnt)
 		return NULL;
 
@@ -42,7 +41,7 @@ static const char *tracing_path_debugfs_mount(void)
 {
 	const char *mnt;
 
-	mnt = debugfs_mount(NULL);
+	mnt = debugfs__mount();
 	if (!mnt)
 		return NULL;
 
@@ -96,7 +95,7 @@ static int strerror_open(int err, char *buf, size_t size, const char *filename)
 		 * want some tracepoint which wasn't compiled in your kernel.
 		 * - jirka
 		 */
-		if (debugfs_configured() || tracefs_configured()) {
+		if (debugfs__configured() || tracefs__configured()) {
 			snprintf(buf, size,
 				 "Error:\tFile %s/%s not found.\n"
 				 "Hint:\tPerhaps this kernel misses some CONFIG_ setting to enable this feature?.\n",
@@ -110,13 +109,13 @@ static int strerror_open(int err, char *buf, size_t size, const char *filename)
 			 "Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'");
 		break;
 	case EACCES: {
-		const char *mountpoint = debugfs_find_mountpoint();
+		const char *mountpoint = debugfs__mountpoint();
 
 		if (!access(mountpoint, R_OK) && strncmp(filename, "tracing/", 8) == 0) {
-			const char *tracefs_mntpoint = tracefs_find_mountpoint();
+			const char *tracefs_mntpoint = tracefs__mountpoint();
 
 			if (tracefs_mntpoint)
-				mountpoint = tracefs_find_mountpoint();
+				mountpoint = tracefs__mountpoint();
 		}
 
 		snprintf(buf, size,
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index fc1cffb..dd94b4c 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -13,7 +13,6 @@
 #include "util/parse-options.h"
 #include "util/trace-event.h"
 #include "util/debug.h"
-#include <api/fs/debugfs.h>
 #include "util/tool.h"
 #include "util/stat.h"
 #include "util/top.h"
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index ee2c46d..2bec9c1 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -37,7 +37,6 @@
 #include "util/strfilter.h"
 #include "util/symbol.h"
 #include "util/debug.h"
-#include <api/fs/debugfs.h>
 #include "util/parse-options.h"
 #include "util/probe-finder.h"
 #include "util/probe-event.h"
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index a572f87..a38adf9 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -1,3 +1,4 @@
+#include <api/fs/fs.h>
 #include "evsel.h"
 #include "tests.h"
 #include "thread_map.h"
@@ -30,9 +31,9 @@ int test__openat_syscall_event_on_all_cpus(void)
 
 	evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
 	if (evsel == NULL) {
-		if (tracefs_configured())
+		if (tracefs__configured())
 			pr_debug("is tracefs mounted on /sys/kernel/tracing?\n");
-		else if (debugfs_configured())
+		else if (debugfs__configured())
 			pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
 		else
 			pr_debug("Neither tracefs or debugfs is enabled in this kernel\n");
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index c9a37bc..8048c7d 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -1,3 +1,4 @@
+#include <api/fs/fs.h>
 #include "thread_map.h"
 #include "evsel.h"
 #include "debug.h"
@@ -18,9 +19,9 @@ int test__openat_syscall_event(void)
 
 	evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
 	if (evsel == NULL) {
-		if (tracefs_configured())
+		if (tracefs__configured())
 			pr_debug("is tracefs mounted on /sys/kernel/tracing?\n");
-		else if (debugfs_configured())
+		else if (debugfs__configured())
 			pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
 		else
 			pr_debug("Neither tracefs or debugfs is enabled in this kernel\n");
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 9b6b2b63..91fbfd5 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -3,11 +3,10 @@
 #include "evsel.h"
 #include "evlist.h"
 #include <api/fs/fs.h>
-#include <api/fs/tracefs.h>
-#include <api/fs/debugfs.h>
 #include "tests.h"
 #include "debug.h"
 #include <linux/hw_breakpoint.h>
+#include <api/fs/fs.h>
 
 #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
 			     PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
@@ -1268,12 +1267,12 @@ static int count_tracepoints(void)
 	DIR *events_dir;
 	int cnt = 0;
 
-	mountpoint = tracefs_find_mountpoint();
+	mountpoint = tracefs__mountpoint();
 	if (mountpoint) {
 		scnprintf(events_path, PATH_MAX, "%s/events",
 			  mountpoint);
 	} else {
-		mountpoint = debugfs_find_mountpoint();
+		mountpoint = debugfs__mountpoint();
 		scnprintf(events_path, PATH_MAX, "%s/tracing/events",
 			  mountpoint);
 	}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index c53f791..771ade4 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -9,7 +9,7 @@
 
 #include <byteswap.h>
 #include <linux/bitops.h>
-#include <api/fs/debugfs.h>
+#include <api/fs/tracing_path.h>
 #include <traceevent/event-parse.h>
 #include <linux/hw_breakpoint.h>
 #include <linux/perf_event.h>
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 3da9e1c..5964ecc 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -40,8 +40,7 @@
 #include "color.h"
 #include "symbol.h"
 #include "thread.h"
-#include <api/fs/debugfs.h>
-#include <api/fs/tracefs.h>
+#include <api/fs/fs.h>
 #include "trace-event.h"	/* For __maybe_unused */
 #include "probe-event.h"
 #include "probe-finder.h"
@@ -2054,7 +2053,7 @@ static void kprobe_blacklist__delete(struct list_head *blacklist)
 static int kprobe_blacklist__load(struct list_head *blacklist)
 {
 	struct kprobe_blacklist_node *node;
-	const char *__debugfs = debugfs_find_mountpoint();
+	const char *__debugfs = debugfs__mountpoint();
 	char buf[PATH_MAX], *p;
 	FILE *fp;
 	int ret;
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 38c0a62..499c83c 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -22,8 +22,7 @@
 #include "color.h"
 #include "symbol.h"
 #include "thread.h"
-#include <api/fs/debugfs.h>
-#include <api/fs/tracefs.h>
+#include <api/fs/fs.h>
 #include "probe-event.h"
 #include "probe-file.h"
 #include "session.h"
@@ -77,11 +76,11 @@ static int open_probe_events(const char *trace_file, bool readwrite)
 	const char *tracing_dir = "";
 	int ret;
 
-	__debugfs = tracefs_find_mountpoint();
+	__debugfs = tracefs__mountpoint();
 	if (__debugfs == NULL) {
 		tracing_dir = "tracing/";
 
-		__debugfs = debugfs_find_mountpoint();
+		__debugfs = debugfs__mountpoint();
 		if (__debugfs == NULL)
 			return -ENOTSUP;
 	}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 495b99c..3d5b01e 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -74,8 +74,7 @@
 #include <linux/magic.h>
 #include <linux/types.h>
 #include <sys/ttydefaults.h>
-#include <api/fs/debugfs.h>
-#include <api/fs/tracefs.h>
+#include <api/fs/tracing_path.h>
 #include <termios.h>
 #include <linux/bitops.h>
 #include <termios.h>