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xfs: constify xattr_handler
[net-next-2.6.git] / fs / xfs / linux-2.6 / xfs_super.h
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1da177e4 1/*
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2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
1da177e4 4 *
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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
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7 * published by the Free Software Foundation.
8 *
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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.
1da177e4 13 *
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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
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17 */
18#ifndef __XFS_SUPER_H__
19#define __XFS_SUPER_H__
20
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21#include <linux/exportfs.h>
22
1da177e4 23#ifdef CONFIG_XFS_QUOTA
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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
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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
f7d3c347 41#define XFS_SECURITY_STRING "security attributes, "
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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
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59#ifdef CONFIG_XFS_DMAPI
60# define XFS_DMAPI_STRING "dmapi support, "
61#else
62# define XFS_DMAPI_STRING
63#endif
64
65#ifdef DEBUG
66# define XFS_DBG_STRING "debug"
67#else
68# define XFS_DBG_STRING "no debug"
69#endif
70
71#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
72 XFS_SECURITY_STRING \
73 XFS_REALTIME_STRING \
74 XFS_BIGFS_STRING \
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75 XFS_DMAPI_STRING \
76 XFS_DBG_STRING /* DBG must be last */
77
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78struct xfs_inode;
79struct xfs_mount;
80struct xfs_buftarg;
81struct block_device;
82
83extern __uint64_t xfs_max_file_offset(unsigned int);
84
f538d4da 85extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
1da177e4 86
39655164 87extern const struct export_operations xfs_export_operations;
46e58764 88extern const struct xattr_handler *xfs_xattr_handlers[];
0d54b217 89extern const struct quotactl_ops xfs_quotactl_operations;
1da177e4 90
b267ce99 91#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
b09cc771 92
1da177e4 93#endif /* __XFS_SUPER_H__ */