Index: uspace/srv/vfs/vfs_node.c
===================================================================
--- uspace/srv/vfs/vfs_node.c	(revision 52b44c63605c069ff1cbdf64f6b8e19bdeefeb2b)
+++ uspace/srv/vfs/vfs_node.c	(revision a4e78743a4f4b5720e7ef6c7386d40d69e40fc9b)
@@ -60,7 +60,7 @@
 #define KEY_INDEX	2
 
-static size_t nodes_key_hash(void *);
+static size_t nodes_key_hash(const void *);
 static size_t nodes_hash(const ht_link_t *);
-static bool nodes_key_equal(void *, const ht_link_t *);
+static bool nodes_key_equal(const void *, const ht_link_t *);
 static vfs_triplet_t node_triplet(vfs_node_t *node);
 
@@ -280,7 +280,7 @@
 }
 
-static size_t nodes_key_hash(void *key)
-{
-	vfs_triplet_t *tri = key;
+static size_t nodes_key_hash(const void *key)
+{
+	const vfs_triplet_t *tri = key;
 	size_t hash = hash_combine(tri->fs_handle, tri->index);
 	return hash_combine(hash, tri->service_id);
@@ -294,7 +294,7 @@
 }
 
-static bool nodes_key_equal(void *key, const ht_link_t *item)
-{
-	vfs_triplet_t *tri = key;
+static bool nodes_key_equal(const void *key, const ht_link_t *item)
+{
+	const vfs_triplet_t *tri = key;
 	vfs_node_t *node = hash_table_get_inst(item, vfs_node_t, nh_link);
 	return node->fs_handle == tri->fs_handle &&