-extern int index_fd(struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
-extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
+extern int index_fd(struct index_state *istate, struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
+extern int index_path(struct index_state *istate, struct object_id *oid, const char *path, struct stat *st, unsigned flags);