diff --git a/libc/kernel/uapi/linux/exfat.h b/libc/kernel/uapi/linux/exfat.h
new file mode 100644
index 0000000..b813581
--- /dev/null
+++ b/libc/kernel/uapi/linux/exfat.h
@@ -0,0 +1,15 @@
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
+#ifndef _UAPI_LINUX_EXFAT_H
+#define _UAPI_LINUX_EXFAT_H
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#define EXFAT_IOC_SHUTDOWN _IOR('X', 125, __u32)
+#define EXFAT_GOING_DOWN_DEFAULT 0x0
+#define EXFAT_GOING_DOWN_FULLSYNC 0x1
+#define EXFAT_GOING_DOWN_NOSYNC 0x2
+#endif