fs/afs/super.h

   1 /* super.h: AFS filesystem internal private data
   2  *
   3  * Copyright (c) 2002 Red Hat, Inc. All rights reserved.
   4  *
   5  * This software may be freely redistributed under the terms of the
   6  * GNU General Public License.
   7  *
   8  * You should have received a copy of the GNU General Public License
   9  * along with this program; if not, write to the Free Software
  10  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  11  *
  12  * Authors: David Woodhouse <dwmw2@cambridge.redhat.com>
  13  *          David Howells <dhowells@redhat.com>
  14  *
  15  */
  16
  17 #ifndef _LINUX_AFS_SUPER_H
  18 #define _LINUX_AFS_SUPER_H
  19
  20 #include <linux/fs.h>
  21 #include "server.h"
  22
  23 #ifdef __KERNEL__
  24
  25 /*****************************************************************************/
  26 /*
  27  * AFS superblock private data
  28  * - there's one superblock per volume
  29  */
  30 struct afs_super_info
  31 {
  32         struct afs_volume       *volume;        /* volume record */
  33         char                    rwparent;       /* T if parent is R/W AFS volume */
  34 };
  35
  36 static inline struct afs_super_info *AFS_FS_S(struct super_block *sb)
  37 {
  38         return sb->s_fs_info;
  39 }
  40
  41 extern struct file_system_type afs_fs_type;
  42
  43 #endif /* __KERNEL__ */
  44
  45 #endif /* _LINUX_AFS_SUPER_H */