fs/xfs/linux-2.6/xfs_super.h

   1 /*
   2  * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32 #ifndef __XFS_SUPER_H__
  33 #define __XFS_SUPER_H__
  34
  35 #ifdef CONFIG_XFS_DMAPI
  36 # define vfs_insertdmapi(vfs)   vfs_insertops(vfsp, &xfs_dmops)
  37 # define vfs_initdmapi()        dmapi_init()
  38 # define vfs_exitdmapi()        dmapi_uninit()
  39 #else
  40 # define vfs_insertdmapi(vfs)   do { } while (0)
  41 # define vfs_initdmapi()        do { } while (0)
  42 # define vfs_exitdmapi()        do { } while (0)
  43 #endif
  44
  45 #ifdef CONFIG_XFS_QUOTA
  46 # define vfs_insertquota(vfs)   vfs_insertops(vfsp, &xfs_qmops)
  47 extern void xfs_qm_init(void);
  48 extern void xfs_qm_exit(void);
  49 # define vfs_initquota()        xfs_qm_init()
  50 # define vfs_exitquota()        xfs_qm_exit()
  51 #else
  52 # define vfs_insertquota(vfs)   do { } while (0)
  53 # define vfs_initquota()        do { } while (0)
  54 # define vfs_exitquota()        do { } while (0)
  55 #endif
  56
  57 #ifdef CONFIG_XFS_POSIX_ACL
  58 # define XFS_ACL_STRING         "ACLs, "
  59 # define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
  60 #else
  61 # define XFS_ACL_STRING
  62 # define set_posix_acl_flag(sb) do { } while (0)
  63 #endif
  64
  65 #ifdef CONFIG_XFS_SECURITY
  66 # define XFS_SECURITY_STRING    "security attributes, "
  67 # define ENOSECURITY            0
  68 #else
  69 # define XFS_SECURITY_STRING
  70 # define ENOSECURITY            EOPNOTSUPP
  71 #endif
  72
  73 #ifdef CONFIG_XFS_RT
  74 # define XFS_REALTIME_STRING    "realtime, "
  75 #else
  76 # define XFS_REALTIME_STRING
  77 #endif
  78
  79 #if XFS_BIG_BLKNOS
  80 # if XFS_BIG_INUMS
  81 #  define XFS_BIGFS_STRING      "large block/inode numbers, "
  82 # else
  83 #  define XFS_BIGFS_STRING      "large block numbers, "
  84 # endif
  85 #else
  86 # define XFS_BIGFS_STRING
  87 #endif
  88
  89 #ifdef CONFIG_XFS_TRACE
  90 # define XFS_TRACE_STRING       "tracing, "
  91 #else
  92 # define XFS_TRACE_STRING
  93 #endif
  94
  95 #ifdef CONFIG_XFS_DMAPI
  96 # define XFS_DMAPI_STRING       "dmapi support, "
  97 #else
  98 # define XFS_DMAPI_STRING
  99 #endif
 100
 101 #ifdef DEBUG
 102 # define XFS_DBG_STRING         "debug"
 103 #else
 104 # define XFS_DBG_STRING         "no debug"
 105 #endif
 106
 107 #define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
 108                                 XFS_SECURITY_STRING \
 109                                 XFS_REALTIME_STRING \
 110                                 XFS_BIGFS_STRING \
 111                                 XFS_TRACE_STRING \
 112                                 XFS_DMAPI_STRING \
 113                                 XFS_DBG_STRING /* DBG must be last */
 114
 115 #define LINVFS_GET_VFS(s) \
 116         (vfs_t *)((s)->s_fs_info)
 117 #define LINVFS_SET_VFS(s, vfsp) \
 118         ((s)->s_fs_info = vfsp)
 119
 120 struct xfs_inode;
 121 struct xfs_mount;
 122 struct xfs_buftarg;
 123 struct block_device;
 124
 125 extern __uint64_t xfs_max_file_offset(unsigned int);
 126
 127 extern void xfs_initialize_vnode(bhv_desc_t *, vnode_t *, bhv_desc_t *, int);
 128
 129 extern void xfs_flush_inode(struct xfs_inode *);
 130 extern void xfs_flush_device(struct xfs_inode *);
 131
 132 extern int  xfs_blkdev_get(struct xfs_mount *, const char *,
 133                                 struct block_device **);
 134 extern void xfs_blkdev_put(struct block_device *);
 135
 136 extern struct export_operations linvfs_export_ops;
 137
 138 #endif  /* __XFS_SUPER_H__ */