fs/xfs/linux-2.6/xfs_super.h

   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
  24 extern void xfs_qm_init(void);
  25 extern 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 CONFIG_XFS_TRACE
  60 # define XFS_TRACE_STRING       "tracing, "
  61 #else
  62 # define XFS_TRACE_STRING
  63 #endif
  64
  65 #ifdef CONFIG_XFS_DMAPI
  66 # define XFS_DMAPI_STRING       "dmapi support, "
  67 #else
  68 # define XFS_DMAPI_STRING
  69 #endif
  70
  71 #ifdef DEBUG
  72 # define XFS_DBG_STRING         "debug"
  73 #else
  74 # define XFS_DBG_STRING         "no debug"
  75 #endif
  76
  77 #define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
  78                                 XFS_SECURITY_STRING \
  79                                 XFS_REALTIME_STRING \
  80                                 XFS_BIGFS_STRING \
  81                                 XFS_TRACE_STRING \
  82                                 XFS_DMAPI_STRING \
  83                                 XFS_DBG_STRING /* DBG must be last */
  84
  85 struct xfs_inode;
  86 struct xfs_mount;
  87 struct xfs_buftarg;
  88 struct block_device;
  89
  90 extern __uint64_t xfs_max_file_offset(unsigned int);
  91
  92 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
  93
  94 extern const struct export_operations xfs_export_operations;
  95 extern struct xattr_handler *xfs_xattr_handlers[];
  96 extern struct quotactl_ops xfs_quotactl_operations;
  97
  98 #define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
  99
 100 #endif  /* __XFS_SUPER_H__ */