libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,NULL,NULL,format, ## __VA_ARGS__)
#define cdebug_va(cdls, mask, file, func, line, fmt, args) do { \
libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,NULL,NULL,format, ## __VA_ARGS__)
#define cdebug_va(cdls, mask, file, func, line, fmt, args) do { \