fs/ocfs2/endian.h

   1 /* -*- mode: c; c-basic-offset: 8; -*-
   2  * vim: noexpandtab sw=8 ts=8 sts=0:
   3  *
   4  * Copyright (C) 2005 Oracle.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 021110-1307, USA.
  20  */
  21
  22 #ifndef OCFS2_ENDIAN_H
  23 #define OCFS2_ENDIAN_H
  24
  25 static inline void le16_add_cpu(__le16 *var, u16 val)
  26 {
  27         *var = cpu_to_le16(le16_to_cpu(*var) + val);
  28 }
  29
  30 static inline void le32_add_cpu(__le32 *var, u32 val)
  31 {
  32         *var = cpu_to_le32(le32_to_cpu(*var) + val);
  33 }
  34
  35 static inline void le32_and_cpu(__le32 *var, u32 val)
  36 {
  37         *var = cpu_to_le32(le32_to_cpu(*var) & val);
  38 }
  39
  40 static inline void be32_add_cpu(__be32 *var, u32 val)
  41 {
  42         *var = cpu_to_be32(be32_to_cpu(*var) + val);
  43 }
  44
  45 #endif /* OCFS2_ENDIAN_H */