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 #ifdef CONFIG_XFS_DMAPI
  22 # define vfs_insertdmapi(vfs)   vfs_insertops(vfsp, &xfs_dmops)
  23 # define vfs_initdmapi()        dmapi_init()
  24 # define vfs_exitdmapi()        dmapi_uninit()
  25 #else
  26 # define vfs_insertdmapi(vfs)   do { } while (0)
  27 # define vfs_initdmapi()        do { } while (0)
  28 # define vfs_exitdmapi()        do { } while (0)
  29 #endif
  30
  31 #ifdef CONFIG_XFS_QUOTA
  32 # define vfs_insertquota(vfs)   vfs_insertops(vfsp, &xfs_qmops)
  33 extern void xfs_qm_init(void);
  34 extern void xfs_qm_exit(void);
  35 # define vfs_initquota()        xfs_qm_init()
  36 # define vfs_exitquota()        xfs_qm_exit()
  37 #else
  38 # define vfs_insertquota(vfs)   do { } while (0)
  39 # define vfs_initquota()        do { } while (0)
  40 # define vfs_exitquota()        do { } while (0)
  41 #endif
  42
  43 #ifdef CONFIG_XFS_POSIX_ACL
  44 # define XFS_ACL_STRING         "ACLs, "
  45 # define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
  46 #else
  47 # define XFS_ACL_STRING
  48 # define set_posix_acl_flag(sb) do { } while (0)
  49 #endif
  50
  51 #ifdef CONFIG_XFS_SECURITY
  52 # define XFS_SECURITY_STRING    "security attributes, "
  53 # define ENOSECURITY            0
  54 #else
  55 # define XFS_SECURITY_STRING
  56 # define ENOSECURITY            EOPNOTSUPP
  57 #endif
  58
  59 #ifdef CONFIG_XFS_RT
  60 # define XFS_REALTIME_STRING    "realtime, "
  61 #else
  62 # define XFS_REALTIME_STRING
  63 #endif
  64
  65 #if XFS_BIG_BLKNOS
  66 # if XFS_BIG_INUMS
  67 #  define XFS_BIGFS_STRING      "large block/inode numbers, "
  68 # else
  69 #  define XFS_BIGFS_STRING      "large block numbers, "
  70 # endif
  71 #else
  72 # define XFS_BIGFS_STRING
  73 #endif
  74
  75 #ifdef CONFIG_XFS_TRACE
  76 # define XFS_TRACE_STRING       "tracing, "
  77 #else
  78 # define XFS_TRACE_STRING
  79 #endif
  80
  81 #ifdef CONFIG_XFS_DMAPI
  82 # define XFS_DMAPI_STRING       "dmapi support, "
  83 #else
  84 # define XFS_DMAPI_STRING
  85 #endif
  86
  87 #ifdef DEBUG
  88 # define XFS_DBG_STRING         "debug"
  89 #else
  90 # define XFS_DBG_STRING         "no debug"
  91 #endif
  92
  93 #define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
  94                                 XFS_SECURITY_STRING \
  95                                 XFS_REALTIME_STRING \
  96                                 XFS_BIGFS_STRING \
  97                                 XFS_TRACE_STRING \
  98                                 XFS_DMAPI_STRING \
  99                                 XFS_DBG_STRING /* DBG must be last */
 100
 101 struct xfs_inode;
 102 struct xfs_mount;
 103 struct xfs_buftarg;
 104 struct block_device;
 105
 106 extern __uint64_t xfs_max_file_offset(unsigned int);
 107
 108 extern void xfs_initialize_vnode(bhv_desc_t *, bhv_vnode_t *, bhv_desc_t *, int);
 109
 110 extern void xfs_flush_inode(struct xfs_inode *);
 111 extern void xfs_flush_device(struct xfs_inode *);
 112
 113 extern int  xfs_blkdev_get(struct xfs_mount *, const char *,
 114                                 struct block_device **);
 115 extern void xfs_blkdev_put(struct block_device *);
 116 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 117
 118 extern struct export_operations xfs_export_operations;
 119
 120 #endif  /* __XFS_SUPER_H__ */