xref: /openbmc/linux/fs/xfs/xfs_super.h (revision 0edbfea5)
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 int xfs_qm_init(void);
25 extern void xfs_qm_exit(void);
26 #else
27 # define xfs_qm_init()	(0)
28 # define xfs_qm_exit()	do { } while (0)
29 #endif
30 
31 #ifdef CONFIG_XFS_POSIX_ACL
32 # define XFS_ACL_STRING		"ACLs, "
33 # define set_posix_acl_flag(sb)	((sb)->s_flags |= MS_POSIXACL)
34 #else
35 # define XFS_ACL_STRING
36 # define set_posix_acl_flag(sb)	do { } while (0)
37 #endif
38 
39 #define XFS_SECURITY_STRING	"security attributes, "
40 
41 #ifdef CONFIG_XFS_RT
42 # define XFS_REALTIME_STRING	"realtime, "
43 #else
44 # define XFS_REALTIME_STRING
45 #endif
46 
47 #ifdef DEBUG
48 # define XFS_DBG_STRING		"debug"
49 #else
50 # define XFS_DBG_STRING		"no debug"
51 #endif
52 
53 #define XFS_VERSION_STRING	"SGI XFS"
54 #define XFS_BUILD_OPTIONS	XFS_ACL_STRING \
55 				XFS_SECURITY_STRING \
56 				XFS_REALTIME_STRING \
57 				XFS_DBG_STRING /* DBG must be last */
58 
59 struct xfs_inode;
60 struct xfs_mount;
61 struct xfs_buftarg;
62 struct block_device;
63 
64 extern __uint64_t xfs_max_file_offset(unsigned int);
65 
66 extern void xfs_flush_inodes(struct xfs_mount *mp);
67 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
68 extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
69 					   xfs_agnumber_t agcount);
70 
71 extern const struct export_operations xfs_export_operations;
72 extern const struct xattr_handler *xfs_xattr_handlers[];
73 extern const struct quotactl_ops xfs_quotactl_operations;
74 
75 extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
76 
77 #define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))
78 
79 #endif	/* __XFS_SUPER_H__ */
80