Index: uspace/lib/c/generic/io/logctl.c
===================================================================
--- uspace/lib/c/generic/io/logctl.c	(revision 58898d1d7329ba67528bada931d3269d42936354)
+++ uspace/lib/c/generic/io/logctl.c	(revision 8e9b253438734085e2e5bb51464bb58685d0bd8f)
@@ -39,4 +39,5 @@
 #include <ns.h>
 #include <str.h>
+#include <vfs/vfs.h>
 
 /** IPC session with the logger service. */
@@ -122,4 +123,30 @@
 }
 
+/** Set logger's VFS root.
+ *
+ * @return Error code or EOK on success.
+ */
+int logctl_set_root(void)
+{
+	async_exch_t *exchange = NULL;
+	int rc = start_logger_exchange(&exchange);
+	if (rc != EOK)
+		return rc;
+
+	aid_t reg_msg = async_send_0(exchange, LOGGER_CONTROL_SET_ROOT, NULL);
+	async_exch_t *vfs_exch = vfs_exchange_begin();
+	rc = vfs_pass_handle(vfs_exch, vfs_root(), exchange);
+	vfs_exchange_end(vfs_exch);
+	sysarg_t reg_msg_rc;
+	async_wait_for(reg_msg, &reg_msg_rc);
+
+	async_exchange_end(exchange);
+
+	if (rc != EOK)
+		return rc;
+
+	return (int) reg_msg_rc;
+}
+
 /** @}
  */