diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 4a28cec49ec3019858db2a657a5a31708f075693..9e30ed6443dbc20b8db1afd42f86a39860a6a13d 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -77,6 +77,13 @@ extern int ioprio_best(unsigned short aprio, unsigned short bprio);
 
 extern int set_task_ioprio(struct task_struct *task, int ioprio);
 
+#ifdef CONFIG_BLOCK
 extern int ioprio_check_cap(int ioprio);
+#else
+static inline int ioprio_check_cap(int ioprio)
+{
+	return -ENOTBLK;
+}
+#endif /* CONFIG_BLOCK */
 
 #endif