Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/common/align.h b/src/common/align.h
new file mode 100644
index 00000000..b5c25b99
--- /dev/null
+++ b/src/common/align.h
@@ -0,0 +1,30 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+  *
+ * Copyright (C) 2015 XSky <haomai@xsky.com>
+ *
+ * Author: Haomai Wang <haomaiwang@gmail.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_COMMON_ALIGN_H
+#define CEPH_COMMON_ALIGN_H
+
+template <typename T>
+inline constexpr T align_up(T v, T align) {
+  return (v + align - 1) & ~(align - 1);
+}
+
+template <typename T>
+inline constexpr T align_down(T v, T align) {
+  return v & ~(align - 1);
+}
+
+#endif /* CEPH_COMMON_ALIGN_H */