tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_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
53#ifdef CONFIG_XFS_SECURITY
54# define XFS_SECURITY_STRING "security attributes, "
55# define ENOSECURITY 0
56#else
57# define XFS_SECURITY_STRING
58# define ENOSECURITY EOPNOTSUPP
59#endif
60
61#ifdef CONFIG_XFS_RT
62# define XFS_REALTIME_STRING "realtime, "
63#else
64# define XFS_REALTIME_STRING
65#endif
66
67#if XFS_BIG_BLKNOS
68# if XFS_BIG_INUMS
69# define XFS_BIGFS_STRING "large block/inode numbers, "
70# else
71# define XFS_BIGFS_STRING "large block numbers, "
72# endif
73#else
74# define XFS_BIGFS_STRING
75#endif
76
77#ifdef CONFIG_XFS_TRACE
78# define XFS_TRACE_STRING "tracing, "
79#else
80# define XFS_TRACE_STRING
81#endif
82
83#ifdef CONFIG_XFS_DMAPI
84# define XFS_DMAPI_STRING "dmapi support, "
85#else
86# define XFS_DMAPI_STRING
87#endif
88
89#ifdef DEBUG
90# define XFS_DBG_STRING "debug"
91#else
92# define XFS_DBG_STRING "no debug"
93#endif
94
95#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
96 XFS_SECURITY_STRING \
97 XFS_REALTIME_STRING \
98 XFS_BIGFS_STRING \
99 XFS_TRACE_STRING \
100 XFS_DMAPI_STRING \
101 XFS_DBG_STRING /* DBG must be last */
102
103struct xfs_inode;
104struct xfs_mount;
105struct xfs_buftarg;
106struct block_device;
107
108extern __uint64_t xfs_max_file_offset(unsigned int);
109
110extern void xfs_initialize_vnode(struct xfs_mount *mp, bhv_vnode_t *vp,
111 struct xfs_inode *ip);
112
113extern void xfs_flush_inode(struct xfs_inode *);
114extern void xfs_flush_device(struct xfs_inode *);
115
116extern int xfs_blkdev_get(struct xfs_mount *, const char *,
117 struct block_device **);
118extern void xfs_blkdev_put(struct block_device *);
119extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
120
121extern const struct export_operations xfs_export_operations;
122
123#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
124
125#endif /* __XFS_SUPER_H__ */