drivers/staging/lustre/include/linux/libcfs/linux/linux-fs.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.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2012, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * libcfs/include/libcfs/linux/linux-fs.h
  37  *
  38  * Basic library routines.
  39  */
  40
  41 #ifndef __LIBCFS_LINUX_CFS_FS_H__
  42 #define __LIBCFS_LINUX_CFS_FS_H__
  43
  44 #ifndef __LIBCFS_LIBCFS_H__
  45 #error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
  46 #endif
  47
  48
  49 #include <linux/fs.h>
  50 #include <linux/stat.h>
  51 #include <linux/mount.h>
  52 #include <linux/backing-dev.h>
  53 #include <linux/posix_acl_xattr.h>
  54
  55 # define do_fsync(fp, flag)                             \
  56         ((fp)->f_op->fsync(fp, 0, LLONG_MAX, flag))
  57
  58 #define filp_read(fp, buf, size, pos)                   \
  59         ((fp)->f_op->read((fp), (buf), (size), pos))
  60
  61 #define filp_write(fp, buf, size, pos)                  \
  62         ((fp)->f_op->write((fp), (buf), (size), pos))
  63
  64 #define filp_fsync(fp)                                  \
  65         do_fsync(fp, 1)
  66
  67 #define flock_type(fl)                  ((fl)->fl_type)
  68 #define flock_set_type(fl, type)        do { (fl)->fl_type = (type); } while (0)
  69 #define flock_pid(fl)                   ((fl)->fl_pid)
  70 #define flock_set_pid(fl, pid)          do { (fl)->fl_pid = (pid); } while (0)
  71 #define flock_start(fl)                 ((fl)->fl_start)
  72 #define flock_set_start(fl, st)         do { (fl)->fl_start = (st); } while (0)
  73 #define flock_end(fl)                   ((fl)->fl_end)
  74 #define flock_set_end(fl, end)          do { (fl)->fl_end = (end); } while (0)
  75
  76 #ifndef IFSHIFT
  77 #define IFSHIFT                 12
  78 #endif
  79
  80 #ifndef IFTODT
  81 #define IFTODT(type)            (((type) & S_IFMT) >> IFSHIFT)
  82 #endif
  83 #ifndef DTTOIF
  84 #define DTTOIF(dirtype)         ((dirtype) << IFSHIFT)
  85 #endif
  86
  87 #endif