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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_QUOTA
24 extern void xfs_qm_init(void);
25 extern void xfs_qm_exit(void);
26 # define vfs_initquota()	xfs_qm_init()
27 # define vfs_exitquota()	xfs_qm_exit()
28 #else
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 
41 #define XFS_SECURITY_STRING	"security attributes, "
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 
59 #ifdef CONFIG_XFS_TRACE
60 # define XFS_TRACE_STRING	"tracing, "
61 #else
62 # define XFS_TRACE_STRING
63 #endif
64 
65 #ifdef CONFIG_XFS_DMAPI
66 # define XFS_DMAPI_STRING	"dmapi support, "
67 #else
68 # define XFS_DMAPI_STRING
69 #endif
70 
71 #ifdef DEBUG
72 # define XFS_DBG_STRING		"debug"
73 #else
74 # define XFS_DBG_STRING		"no debug"
75 #endif
76 
77 #define XFS_BUILD_OPTIONS	XFS_ACL_STRING \
78 				XFS_SECURITY_STRING \
79 				XFS_REALTIME_STRING \
80 				XFS_BIGFS_STRING \
81 				XFS_TRACE_STRING \
82 				XFS_DMAPI_STRING \
83 				XFS_DBG_STRING /* DBG must be last */
84 
85 struct xfs_inode;
86 struct xfs_mount;
87 struct xfs_buftarg;
88 struct block_device;
89 
90 extern __uint64_t xfs_max_file_offset(unsigned int);
91 
92 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
93 
94 extern const struct export_operations xfs_export_operations;
95 extern struct xattr_handler *xfs_xattr_handlers[];
96 
97 #define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))
98 
99 #endif	/* __XFS_SUPER_H__ */
100