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

@@ -11,7 +11,6 @@
 #include <unistd.h>
 #include <sys/mount.h>
 
-#include "debugfs.h"
 #include "fs.h"
 
 #define _STR(x) #x

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,

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"

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"

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");

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");

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);
 	}

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>

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;

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;
 	}

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>