LXR linux/fs/xfs/linux-2.6/xfs

   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#ifndef __XFS_SUPER_H__
  19#define __XFS_SUPER_H__
  20
  21#include <linux/exportfs.h>
  22
  23#ifdef CONFIG_XFS_QUOTA
  24extern void xfs_qm_init(void);
  25extern void xfs_qm_exit(void);
  26# define vfs_initquota()        xfs_qm_init()
  27# define vfs_exitquota()        xfs_qm_exit()
  28#else
  29# define vfs_initquota()        do { } while (0)
  30# define vfs_exitquota()        do { } while (0)
  31#endif
  32
  33#ifdef CONFIG_XFS_POSIX_ACL
  34# define XFS_ACL_STRING         "ACLs, "
  35# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
  36#else
  37# define XFS_ACL_STRING
  38# define set_posix_acl_flag(sb) do { } while (0)
  39#endif
  40
  41#define XFS_SECURITY_STRING     "security attributes, "
  42
  43#ifdef CONFIG_XFS_RT
  44# define XFS_REALTIME_STRING    "realtime, "
  45#else
  46# define XFS_REALTIME_STRING
  47#endif
  48
  49#if XFS_BIG_BLKNOS
  50# if XFS_BIG_INUMS
  51#  define XFS_BIGFS_STRING      "large block/inode numbers, "
  52# else
  53#  define XFS_BIGFS_STRING      "large block numbers, "
  54# endif
  55#else
  56# define XFS_BIGFS_STRING
  57#endif
  58
  59#ifdef DEBUG
  60# define XFS_DBG_STRING         "debug"
  61#else
  62# define XFS_DBG_STRING         "no debug"
  63#endif
  64
  65#define XFS_VERSION_STRING      "SGI XFS"
  66#define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
  67                                XFS_SECURITY_STRING \
  68                                XFS_REALTIME_STRING \
  69                                XFS_BIGFS_STRING \
  70                                XFS_DBG_STRING /* DBG must be last */
  71
  72struct xfs_inode;
  73struct xfs_mount;
  74struct xfs_buftarg;
  75struct block_device;
  76
  77extern __uint64_t xfs_max_file_offset(unsigned int);
  78
  79extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
  80
  81extern const struct export_operations xfs_export_operations;
  82extern const struct xattr_handler *xfs_xattr_handlers[];
  83extern const struct quotactl_ops xfs_quotactl_operations;
  84
  85#define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
  86
  87#endif  /* __XFS_SUPER_H__ */
  88