Index: uspace/lib/device/include/vol.h
===================================================================
--- uspace/lib/device/include/vol.h	(revision 8300c7235387052a3ffb96accd6cc6528ea75b5b)
+++ uspace/lib/device/include/vol.h	(revision a4f8c3fc1356a032729dd63d327668450bd78391)
@@ -61,4 +61,5 @@
 extern errno_t vol_pcnt_fs_format(vol_part_cnt_t, vol_fstype_t, char **);
 extern errno_t vol_mountp_validate(const char *);
+extern errno_t vol_part_by_mp(vol_t *, const char *, service_id_t *);
 
 #endif