ext4: convert instrumentation from markers to tracepoints

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 012c425..e8f0b2a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -37,7 +37,6 @@
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>
 #include <linux/ctype.h>
-#include <linux/marker.h>
 #include <linux/log2.h>
 #include <linux/crc16.h>
 #include <asm/uaccess.h>
@@ -47,6 +46,9 @@
 #include "xattr.h"
 #include "acl.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/ext4.h>
+
 static int default_mb_history_length = 1000;
 
 module_param_named(default_mb_history_length, default_mb_history_length,
@@ -3346,7 +3348,7 @@
 	int ret = 0;
 	tid_t target;
 
-	trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait);
+	trace_ext4_sync_fs(sb, wait);
 	if (jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
 		if (wait)
 			jbd2_log_wait_commit(EXT4_SB(sb)->s_journal, target);