xlog(k): updated log levels

- new level L_BUG
- updated the documentation to match the code
- L_CRIT uses in the code L_CRIT2
- L_CRIT2 can be used in config as well, detection is based on the third
  caracter
- credits to Klaus Darilion

modules_k/xlog/README

@@ -163,13 +163,14 @@ modparam("xlog", "prefix", "-xlog: ")
 
    Meaning of the parameters are as follows:
      * level - The level that will be used in LOG function. It can be:
-          + L_ALERT - log level -3
-          + L_CRIT - log level -2
+          + L_ALERT - log level -5
+          + L_BUG - log level -4
+          + L_CRIT - log level -3
           + L_ERR - log level -1
-          + L_WARN - log level 1
-          + L_NOTICE - log level 2
-          + L_INFO - log level 3
-          + L_DBG - log level 4
+          + L_WARN - log level 0
+          + L_NOTICE - log level 1
+          + L_INFO - log level 2
+          + L_DBG - log level 3
           + $pv - any valid pseudo-variable, that has an integer value.
             See above options for valid log levels.
        If it is not a pseudo-variable, then what really matters is the

modules_k/xlog/doc/xlog_admin.xml

@@ -168,12 +168,17 @@ modparam("xlog", "prefix", "-xlog: ")
 			<itemizedlist>
 			<listitem>
 				<para>
-				L_ALERT - log level -3
+				L_ALERT - log level -5
 				</para>
 			</listitem>
 			<listitem>
 				<para>
-				L_CRIT - log level -2
+				L_BUG - log level -4
+				</para>
+			</listitem>
+			<listitem>
+				<para>
+				L_CRIT - log level -3
 				</para>
 			</listitem>
 			<listitem>
@@ -183,22 +188,22 @@ modparam("xlog", "prefix", "-xlog: ")
 			</listitem>
 			<listitem>
 				<para>
-				L_WARN - log level 1
+				L_WARN - log level 0
 				</para>
 			</listitem>
 			<listitem>
 				<para>
-				L_NOTICE - log level 2
+				L_NOTICE - log level 1
 				</para>
 			</listitem>
 			<listitem>
 				<para>
-				L_INFO - log level 3
+				L_INFO - log level 2
 				</para>
 			</listitem>
 			<listitem>
 				<para>
-				L_DBG - log level 4
+				L_DBG - log level 3
 				</para>
 			</listitem>
 			<listitem>

modules_k/xlog/xlog.c

@@ -257,7 +257,8 @@ static int xlog_fixup(void** param, int param_no)
 			switch(((char*)(*param))[2])
 			{
 				case 'A': xlp->v.level = L_ALERT; break;
-				case 'C': xlp->v.level = L_CRIT; break;
+				case 'B': xlp->v.level = L_BUG; break;
+				case 'C': xlp->v.level = L_CRIT2; break;
 				case 'E': xlp->v.level = L_ERR; break;
 				case 'W': xlp->v.level = L_WARN; break;
 				case 'N': xlp->v.level = L_NOTICE; break;