Index: uspace/lib/libfs/libfs.c
===================================================================
--- uspace/lib/libfs/libfs.c	(revision 2c448fb8cf0ba4ec2da96ece59966a2ac34eb7ba)
+++ uspace/lib/libfs/libfs.c	(revision 1e50f814269823038978ee8494d061f3844bf4b0)
@@ -123,4 +123,13 @@
 }
 
+/** Lookup VFS triplet by name in the file system name space.
+ *
+ * @param ops		libfs operations structure with function pointers to
+ *			file system implementation
+ * @param fs_handle	File system handle of the file system where to perform
+ *			the lookup.
+ * @param rid		Request ID of the VFS_LOOKUP request.
+ * @param request	VFS_LOOKUP request data itself.
+ */
 void libfs_lookup(libfs_ops_t *ops, int fs_handle, ipc_callid_t rid,
     ipc_call_t *request)