fs/xfs/linux-2.6/xfs_globals.c

   1 /*
   2  * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32
  33 /*
  34  * This file contains globals needed by XFS that were normally defined
  35  * somewhere else in IRIX.
  36  */
  37
  38 #include "xfs.h"
  39 #include "xfs_cred.h"
  40 #include "xfs_sysctl.h"
  41
  42 /*
  43  * System memory size - used to scale certain data structures in XFS.
  44  */
  45 unsigned long xfs_physmem;
  46
  47 /*
  48  * Tunable XFS parameters.  xfs_params is required even when CONFIG_SYSCTL=n,
  49  * other XFS code uses these values.  Times are measured in centisecs (i.e.
  50  * 100ths of a second).
  51  */
  52 xfs_param_t xfs_params = {
  53                           /*    MIN             DFLT            MAX     */
  54         .restrict_chown = {     0,              1,              1       },
  55         .sgid_inherit   = {     0,              0,              1       },
  56         .symlink_mode   = {     0,              0,              1       },
  57         .panic_mask     = {     0,              0,              127     },
  58         .error_level    = {     0,              3,              11      },
  59         .syncd_timer    = {     1*100,          30*100,         7200*100},
  60         .stats_clear    = {     0,              0,              1       },
  61         .inherit_sync   = {     0,              1,              1       },
  62         .inherit_nodump = {     0,              1,              1       },
  63         .inherit_noatim = {     0,              1,              1       },
  64         .xfs_buf_timer  = {     100/2,          1*100,          30*100  },
  65         .xfs_buf_age    = {     1*100,          15*100,         7200*100},
  66         .inherit_nosym  = {     0,              0,              1       },
  67         .rotorstep      = {     1,              1,              255     },
  68 };
  69
  70 /*
  71  * Global system credential structure.
  72  */
  73 cred_t sys_cred_val, *sys_cred = &sys_cred_val;
  74