Index: uspace/srv/fs/exfat/exfat.h
===================================================================
--- uspace/srv/fs/exfat/exfat.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
+++ uspace/srv/fs/exfat/exfat.h	(revision e211ea04fccf33d4cb2092f630a29e893e096a02)
@@ -169,5 +169,5 @@
 extern libfs_ops_t exfat_libfs_ops;
 
-extern int exfat_idx_get_new(exfat_idx_t **, service_id_t);
+extern errno_t exfat_idx_get_new(exfat_idx_t **, service_id_t);
 extern exfat_idx_t *exfat_idx_get_by_pos(service_id_t, exfat_cluster_t, unsigned);
 extern exfat_idx_t *exfat_idx_get_by_index(service_id_t, fs_index_t);
@@ -176,13 +176,13 @@
 extern void exfat_idx_hashout(exfat_idx_t *);
 
-extern int exfat_idx_init(void);
+extern errno_t exfat_idx_init(void);
 extern void exfat_idx_fini(void);
-extern int exfat_idx_init_by_service_id(service_id_t);
+extern errno_t exfat_idx_init_by_service_id(service_id_t);
 extern void exfat_idx_fini_by_service_id(service_id_t);
 
-extern int exfat_node_expand(service_id_t, exfat_node_t *, exfat_cluster_t);
-extern int exfat_node_put(fs_node_t *);
-extern int exfat_bitmap_get(fs_node_t **, service_id_t);
-extern int exfat_uctable_get(fs_node_t **, service_id_t);
+extern errno_t exfat_node_expand(service_id_t, exfat_node_t *, exfat_cluster_t);
+extern errno_t exfat_node_put(fs_node_t *);
+extern errno_t exfat_bitmap_get(fs_node_t **, service_id_t);
+extern errno_t exfat_uctable_get(fs_node_t **, service_id_t);