Index: uspace/lib/c/include/io/logctl.h
===================================================================
--- uspace/lib/c/include/io/logctl.h	(revision eab3d0480f33fbfac5b74bb7b810c256b8cb688d)
+++ uspace/lib/c/include/io/logctl.h	(revision 7034b4432f7aec59eebdea599b996e2e253e047b)
@@ -37,4 +37,5 @@
 
 extern int logctl_set_default_level(log_level_t);
+extern int logctl_set_namespace_level(const char *, log_level_t);
 extern int logctl_get_boot_level(log_level_t *);
 
Index: uspace/lib/c/include/ipc/logger.h
===================================================================
--- uspace/lib/c/include/ipc/logger.h	(revision eab3d0480f33fbfac5b74bb7b810c256b8cb688d)
+++ uspace/lib/c/include/ipc/logger.h	(revision 7034b4432f7aec59eebdea599b996e2e253e047b)
@@ -38,5 +38,6 @@
 typedef enum {
 	LOGGER_CTL_GET_DEFAULT_LEVEL = IPC_FIRST_USER_METHOD,
-	LOGGER_CTL_SET_DEFAULT_LEVEL
+	LOGGER_CTL_SET_DEFAULT_LEVEL,
+	LOGGER_CTL_SET_NAMESPACE_LEVEL
 } logger_control_request_t;