remove ceph code

[stor4nfv.git] / src / ceph / src / common / reverse.c

diff --git a/src/ceph/src/common/reverse.c b/src/ceph/src/common/reverse.c
deleted file mode 100644 (file)
index f65540d..0000000
--- a/src/ceph/src/common/reverse.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * 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.
- * 
- */
-
-#include "reverse.h"
-
-uint32_t reverse_bits(uint32_t v) {
-  if (v == 0)
-    return v;
-
-  /* reverse bits
-   * swap odd and even bits
-   */
-  v = ((v >> 1) & 0x55555555) | ((v & 0x55555555) << 1);
-  /* swap consecutive pairs */
-  v = ((v >> 2) & 0x33333333) | ((v & 0x33333333) << 2);
-  /* swap nibbles ... */
-  v = ((v >> 4) & 0x0F0F0F0F) | ((v & 0x0F0F0F0F) << 4);
-  /* swap bytes */
-  v = ((v >> 8) & 0x00FF00FF) | ((v & 0x00FF00FF) << 8);
-  /* swap 2-byte long pairs */
-  v = ( v >> 16             ) | ( v               << 16);                                
-  return v;
-}
-
-uint32_t reverse_nibbles(uint32_t retval) {
-  /* reverse nibbles */
-  retval = ((retval & 0x0f0f0f0f) << 4) | ((retval & 0xf0f0f0f0) >> 4);
-  retval = ((retval & 0x00ff00ff) << 8) | ((retval & 0xff00ff00) >> 8);
-  retval = ((retval & 0x0000ffff) << 16) | ((retval & 0xffff0000) >> 16);
-  return retval;
-}