zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/umount2.c b/ap/build/uClibc/libc/sysdeps/linux/common/umount2.c
new file mode 100644
index 0000000..2cc4a23
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/umount2.c
@@ -0,0 +1,17 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * umount2() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+
+#if defined __USE_GNU
+#include <sys/mount.h>
+#ifdef __NR_umount2 /* Old kernels don't have umount2 */
+_syscall2(int, umount2, const char *, special_file, int, flags)
+#endif
+#endif