mds: create mds.$id debug log symlink

...in addition to the current mds$num
att · Mar 9, 2010 · fe4f42b · fe4f42b
1 parent 72e04c8
commit fe4f42b
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Showing 3 changed files with 13 additions and 1 deletion.
diff --git a/src/common/debug.cc b/src/common/debug.cc
@@ -114,12 +114,19 @@ int _dout_rename_output_file()  // after calling daemon()
 }
 
 int _dout_create_courtesy_output_symlink(const char *type, __s64 n)
+{
+  char name[20];
+  snprintf(name, sizeof(name), "%s%lld", type, (unsigned long long)n);
+  return _dout_create_courtesy_output_symlink(name);
+}
+
+int _dout_create_courtesy_output_symlink(const char *name)
 {
   if (g_conf.log_dir && !g_conf.log_to_stdout) {
     if (_dout_need_open)
       _dout_open_log();
 
-    snprintf(_dout_symlink_path, sizeof(_dout_symlink_path), "%s/%s%lld", _dout_symlink_dir, type, (long long)n);
+    snprintf(_dout_symlink_path, sizeof(_dout_symlink_path), "%s/%s", _dout_symlink_dir, name);
 
     // rotate out old symlink
     int n = 0;

diff --git a/src/common/debug.h b/src/common/debug.h
@@ -23,6 +23,7 @@ extern bool _dout_is_open;
 extern void _dout_open_log();
 extern int _dout_rename_output_file();  // after calling daemon()
 extern int _dout_create_courtesy_output_symlink(const char *type, __s64 n);
+extern int _dout_create_courtesy_output_symlink(const char *name);
 
 static inline void _dout_check_log() {
   _dout_lock.Lock();

diff --git a/src/mds/MDS.cc b/src/mds/MDS.cc
@@ -396,6 +396,10 @@ int MDS::init()
   messenger->add_dispatcher_tail(this);
   messenger->add_dispatcher_head(&logclient);
 
+  char name[30];
+  snprintf(name, sizeof(name), "mds.%s", g_conf.id);
+  _dout_create_courtesy_output_symlink(name);
+
   // get monmap
   monc->set_messenger(messenger);