fs/xfs/xfs_globals.c

   1 /*
   2  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #include "xfs.h"
  19 #include "xfs_sysctl.h"
  20
  21 /*
  22  * Tunable XFS parameters.  xfs_params is required even when CONFIG_SYSCTL=n,
  23  * other XFS code uses these values.  Times are measured in centisecs (i.e.
  24  * 100ths of a second) with the exception of eofb_timer, which is measured in
  25  * seconds.
  26  */
  27 xfs_param_t xfs_params = {
  28                           /*    MIN             DFLT            MAX     */
  29         .sgid_inherit   = {     0,              0,              1       },
  30         .symlink_mode   = {     0,              0,              1       },
  31         .panic_mask     = {     0,              0,              255     },
  32         .error_level    = {     0,              3,              11      },
  33         .syncd_timer    = {     1*100,          30*100,         7200*100},
  34         .stats_clear    = {     0,              0,              1       },
  35         .inherit_sync   = {     0,              1,              1       },
  36         .inherit_nodump = {     0,              1,              1       },
  37         .inherit_noatim = {     0,              1,              1       },
  38         .xfs_buf_timer  = {     100/2,          1*100,          30*100  },
  39         .xfs_buf_age    = {     1*100,          15*100,         7200*100},
  40         .inherit_nosym  = {     0,              0,              1       },
  41         .rotorstep      = {     1,              1,              255     },
  42         .inherit_nodfrg = {     0,              1,              1       },
  43         .fstrm_timer    = {     1,              30*100,         3600*100},
  44         .eofb_timer     = {     1,              300,            3600*24},
  45 };