Build provider 3rd arg from smb_request_t
hacking...

@@ -76,12 +76,11 @@
                 (void) snprintf(path, MAXPATHLEN, "%s%05u", identifier, new_id);
         }
 
         op->create_disposition = FILE_OVERWRITE_IF;
         op->create_options = FILE_NON_DIRECTORY_FILE;
-        DTRACE_SMB_2(op__OpenPrintFile__start, smb_request_t *, sr,
-            struct open_param *, op);
+        DTRACE_SMB_1(op__OpenPrintFile__start, smb_request_t *, sr); /* arg.open */
 
         return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
 }
 
 void