drivers/staging/lustre/lustre/include/lustre_compat.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2012, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  */
  32
  33 #ifndef _LUSTRE_COMPAT_H
  34 #define _LUSTRE_COMPAT_H
  35
  36 #include <linux/fs_struct.h>
  37 #include <linux/namei.h>
  38
  39 #include "lustre_patchless_compat.h"
  40
  41 /*
  42  * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
  43  * ATTR_* attributes (see bug 13828)
  44  */
  45 #define ATTR_BLOCKS    (1 << 27)
  46
  47 #define current_ngroups current_cred()->group_info->ngroups
  48 #define current_groups current_cred()->group_info->small_block
  49
  50 /*
  51  * OBD need working random driver, thus all our
  52  * initialization routines must be called after device
  53  * driver initialization
  54  */
  55 #ifndef MODULE
  56 #undef module_init
  57 #define module_init(a)     late_initcall(a)
  58 #endif
  59
  60 #define LTIME_S(time)              (time.tv_sec)
  61
  62 #ifndef QUOTA_OK
  63 # define QUOTA_OK 0
  64 #endif
  65 #ifndef NO_QUOTA
  66 # define NO_QUOTA (-EDQUOT)
  67 #endif
  68
  69 #if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit)
  70 # define ext2_set_bit        __test_and_set_bit_le
  71 # define ext2_clear_bit    __test_and_clear_bit_le
  72 # define ext2_test_bit      test_bit_le
  73 # define ext2_find_first_zero_bit find_first_zero_bit_le
  74 # define ext2_find_next_zero_bit  find_next_zero_bit_le
  75 #endif
  76
  77 #define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
  78
  79 #endif /* _LUSTRE_COMPAT_H */