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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott7b718762005-11-02 14:58:39 +110014 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
18#ifndef __XFS_SUPER_H__
19#define __XFS_SUPER_H__
20
Christoph Hellwiga5694252007-07-17 04:04:28 -070021#include <linux/exportfs.h>
22
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#ifdef CONFIG_XFS_DMAPI
24# define vfs_insertdmapi(vfs) vfs_insertops(vfsp, &xfs_dmops)
25# define vfs_initdmapi() dmapi_init()
26# define vfs_exitdmapi() dmapi_uninit()
27#else
28# define vfs_insertdmapi(vfs) do { } while (0)
29# define vfs_initdmapi() do { } while (0)
30# define vfs_exitdmapi() do { } while (0)
31#endif
32
33#ifdef CONFIG_XFS_QUOTA
34# define vfs_insertquota(vfs) vfs_insertops(vfsp, &xfs_qmops)
35extern void xfs_qm_init(void);
36extern void xfs_qm_exit(void);
37# define vfs_initquota() xfs_qm_init()
38# define vfs_exitquota() xfs_qm_exit()
39#else
40# define vfs_insertquota(vfs) do { } while (0)
41# define vfs_initquota() do { } while (0)
42# define vfs_exitquota() do { } while (0)
43#endif
44
45#ifdef CONFIG_XFS_POSIX_ACL
46# define XFS_ACL_STRING "ACLs, "
47# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
48#else
49# define XFS_ACL_STRING
50# define set_posix_acl_flag(sb) do { } while (0)
51#endif
52
Eric Sandeenf7d3c342008-04-17 16:50:22 +100053#define XFS_SECURITY_STRING "security attributes, "
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55#ifdef CONFIG_XFS_RT
56# define XFS_REALTIME_STRING "realtime, "
57#else
58# define XFS_REALTIME_STRING
59#endif
60
61#if XFS_BIG_BLKNOS
62# if XFS_BIG_INUMS
63# define XFS_BIGFS_STRING "large block/inode numbers, "
64# else
65# define XFS_BIGFS_STRING "large block numbers, "
66# endif
67#else
68# define XFS_BIGFS_STRING
69#endif
70
71#ifdef CONFIG_XFS_TRACE
72# define XFS_TRACE_STRING "tracing, "
73#else
74# define XFS_TRACE_STRING
75#endif
76
77#ifdef CONFIG_XFS_DMAPI
78# define XFS_DMAPI_STRING "dmapi support, "
79#else
80# define XFS_DMAPI_STRING
81#endif
82
83#ifdef DEBUG
84# define XFS_DBG_STRING "debug"
85#else
86# define XFS_DBG_STRING "no debug"
87#endif
88
89#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
90 XFS_SECURITY_STRING \
91 XFS_REALTIME_STRING \
92 XFS_BIGFS_STRING \
93 XFS_TRACE_STRING \
94 XFS_DMAPI_STRING \
95 XFS_DBG_STRING /* DBG must be last */
96
Linus Torvalds1da177e2005-04-16 15:20:36 -070097struct xfs_inode;
98struct xfs_mount;
99struct xfs_buftarg;
100struct block_device;
101
102extern __uint64_t xfs_max_file_offset(unsigned int);
103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104extern void xfs_flush_inode(struct xfs_inode *);
105extern void xfs_flush_device(struct xfs_inode *);
106
Christoph Hellwigf538d4d2005-11-02 10:26:59 +1100107extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
Christoph Hellwig39655162007-10-21 16:42:17 -0700109extern const struct export_operations xfs_export_operations;
Lachlan McIlroy0ec58512008-06-23 13:23:01 +1000110extern struct xattr_handler *xfs_xattr_handlers[];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111
Christoph Hellwigb267ce92007-08-30 17:21:30 +1000112#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
Christoph Hellwigb09cc772007-08-30 17:19:57 +1000113
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114#endif /* __XFS_SUPER_H__ */