lustre/obdclass/statfs_pack.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  *  Copyright (C) 2002 Cluster File Systems, Inc. <adilger@clusterfs.com>
   5  *
   6  *   This file is part of Lustre, http://www.lustre.org.
   7  *
   8  *   Lustre is free software; you can redistribute it and/or
   9  *   modify it under the terms of version 2 of the GNU General Public
  10  *   License as published by the Free Software Foundation.
  11  *
  12  *   Lustre is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with Lustre; if not, write to the Free Software
  19  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * (Un)packing of OST/MDS requests
  22  *
  23  */
  24
  25 #define DEBUG_SUBSYSTEM S_CLASS
  26
  27 #define EXPORT_SYMTAB
  28 #include <linux/lustre_net.h>
  29 #include <linux/obd_support.h>
  30
  31 void obd_statfs_pack(struct obd_statfs *tgt, struct obd_statfs *src)
  32 {
  33         tgt->os_type = HTON__u64(src->os_type);
  34         tgt->os_blocks = HTON__u64(src->os_blocks);
  35         tgt->os_bfree = HTON__u64(src->os_bfree);
  36         tgt->os_bavail = HTON__u64(src->os_bavail);
  37         tgt->os_files = HTON__u64(src->os_files);
  38         tgt->os_ffree = HTON__u64(src->os_ffree);
  39         tgt->os_bsize = HTON__u32(src->os_bsize);
  40         tgt->os_namelen = HTON__u32(src->os_namelen);
  41 }
  42
  43 void obd_statfs_unpack(struct obd_statfs *tgt, struct obd_statfs *src)
  44 {
  45         obd_statfs_pack(tgt, src);
  46 }
  47
  48 void statfs_pack(struct obd_statfs *osfs, struct statfs *sfs)
  49 {
  50         osfs->os_type = sfs->f_type;
  51         osfs->os_blocks = sfs->f_blocks;
  52         osfs->os_bfree = sfs->f_bfree;
  53         osfs->os_bavail = sfs->f_bavail;
  54         osfs->os_files = sfs->f_files;
  55         osfs->os_ffree = sfs->f_ffree;
  56         osfs->os_bsize = sfs->f_bsize;
  57         osfs->os_namelen = sfs->f_namelen;
  58 }
  59
  60 void statfs_unpack(struct statfs *sfs, struct obd_statfs *osfs)
  61 {
  62         sfs->f_type = osfs->os_type;
  63         sfs->f_blocks = osfs->os_blocks;
  64         sfs->f_bfree = osfs->os_bfree;
  65         sfs->f_bavail = osfs->os_bavail;
  66         sfs->f_files = osfs->os_files;
  67         sfs->f_ffree = osfs->os_ffree;
  68         sfs->f_bsize = osfs->os_bsize;
  69         sfs->f_namelen = osfs->os_namelen;
  70 }
  71
  72 EXPORT_SYMBOL(obd_statfs_pack);
  73 EXPORT_SYMBOL(obd_statfs_unpack);
  74 EXPORT_SYMBOL(statfs_pack);
  75 EXPORT_SYMBOL(statfs_unpack);