repair/versions.h

   1 /*
   2  * Copyright (c) 2000-2001,2005 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
  19 #ifndef _XR_VERSIONS_H
  20 #define _XR_VERSIONS_H
  21
  22 #ifndef EXTERN
  23 #define EXTERN extern
  24 #endif /* EXTERN */
  25
  26 /*
  27  * possible XFS filesystem features
  28  *
  29  * inode version 2 (32-bit link counts)         (6.2)
  30  */
  31
  32 /*
  33  * filesystem feature global vars, set to 1 if the feature
  34  * is *allowed*, 0 otherwise.  These can be set via command-line
  35  * options
  36  */
  37
  38 EXTERN int              fs_has_extflgbit_allowed;
  39 EXTERN int              fs_shared_allowed;
  40
  41 /*
  42  * filesystem feature global vars, set to 1 if the feature
  43  * is on, 0 otherwise
  44  */
  45
  46 EXTERN int              fs_attributes;
  47 EXTERN int              fs_attributes2;
  48 EXTERN int              fs_inode_nlink;
  49 EXTERN int              fs_quotas;
  50 EXTERN int              fs_aligned_inodes;
  51 EXTERN int              fs_sb_feature_bits;
  52 EXTERN int              fs_has_extflgbit;
  53 EXTERN int              fs_shared;
  54
  55 /*
  56  * inode chunk alignment, fsblocks
  57  */
  58
  59 EXTERN xfs_extlen_t     fs_ino_alignment;
  60
  61 /*
  62  * modify superblock to reflect current state of global fs
  63  * feature vars above
  64  */
  65 void                    update_sb_version(xfs_mount_t *mp);
  66
  67 /*
  68  * parse current sb to set above feature vars
  69  */
  70 int                     parse_sb_version(xfs_sb_t *sb);
  71
  72 #endif /* _XR_VERSIONS_H */