1 /* Constants from kernel header for various FSes.
2    Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, write to the Free
17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18    02111-1307 USA.  */
19 
20 #ifndef _LINUX_FSINFO_H
21 #define _LINUX_FSINFO_H	1
22 
23 /* These definitions come from the kernel headers.  But we cannot
24    include the headers here because of type clashes.  If new
25    filesystem types will become available we have to add the
26    appropriate definitions here.*/
27 
28 /* Constants that identify the `adfs' filesystem.  */
29 #define ADFS_SUPER_MAGIC	0xadf5
30 
31 /* Constants that identify the `affs' filesystem.  */
32 #define AFFS_SUPER_MAGIC	0xadff
33 
34 /* Constants that identify the `bfs' filesystem.  */
35 #define BFS_MAGIC		0x1BADFACE
36 
37 /* Constants that identify the `coda' filesystem.  */
38 #define CODA_SUPER_MAGIC	0x73757245
39 
40 /* Constants that identify the `coherent' filesystem.  */
41 #define COH_SUPER_MAGIC		0x012ff7b7
42 
43 /* Constant that identifies the `devfs' filesystem.  */
44 #define DEVFS_SUPER_MAGIC	0x1373
45 
46 /* Constant that identifies the `devpts' filesystem.  */
47 #define DEVPTS_SUPER_MAGIC	0x1cd1
48 
49 /* Constant that identifies the `efs' filesystem.  */
50 #define EFS_SUPER_MAGIC		0x414A53
51 
52 /* Constant that identifies the `ext2' and `ext3' filesystems.  */
53 #define EXT2_SUPER_MAGIC	0xef53
54 
55 /* Constant that identifies the `hpfs' filesystem.  */
56 #define HPFS_SUPER_MAGIC	0xf995e849
57 
58 /* Constant that identifies the `iso9660' filesystem.  */
59 #define ISOFS_SUPER_MAGIC	0x9660
60 
61 /* Constants that identify the `minix2' filesystem.  */
62 #define MINIX2_SUPER_MAGIC	0x2468
63 #define MINIX2_SUPER_MAGIC2	0x2478
64 
65 /* Constants that identify the `minix' filesystem.  */
66 #define MINIX_SUPER_MAGIC	0x137f
67 #define MINIX_SUPER_MAGIC2	0x138F
68 
69 /* Constants that identify the `msdos' filesystem.  */
70 #define MSDOS_SUPER_MAGIC	0x4d44
71 
72 /* Constants that identify the `ncp' filesystem.  */
73 #define NCP_SUPER_MAGIC		0x564c
74 
75 /* Constants that identify the `nfs' filesystem.  */
76 #define NFS_SUPER_MAGIC		0x6969
77 
78 /* Constants that identify the `proc' filesystem.  */
79 #define PROC_SUPER_MAGIC	0x9fa0
80 
81 /* Constants that identify the `qnx4' filesystem.  */
82 #define QNX4_SUPER_MAGIC	0x002f
83 
84 /* Constants that identify the `reiser' filesystem.  */
85 #define REISERFS_SUPER_MAGIC	0x52654973
86 
87 /* Constants that identify the `smb' filesystem.  */
88 #define SMB_SUPER_MAGIC		0x517b
89 
90 /* Constants that identify the `sysV' filesystem.  */
91 #define SYSV2_SUPER_MAGIC	0x012ff7b6
92 #define SYSV4_SUPER_MAGIC	0x012ff7b5
93 
94 /* Constants that identify the `ufs' filesystem.  */
95 #define UFS_MAGIC		0x00011954
96 #define UFS_CIGAM		0x54190100 /* byteswapped MAGIC */
97 
98 /* Constants that identify the `xenix' filesystem.  */
99 #define XENIX_SUPER_MAGIC	0x012ff7b4
100 
101 /* Constant that identifies the `shm' filesystem.  */
102 #define SHMFS_SUPER_MAGIC	0x01021994
103 
104 /* Maximum link counts.  */
105 #define COH_LINK_MAX		10000
106 #define EXT2_LINK_MAX		32000
107 #define MINIX2_LINK_MAX		65530
108 #define MINIX_LINK_MAX		250
109 #define REISERFS_LINK_MAX	64535
110 #define SYSV_LINK_MAX		126     /* 127? 251? */
111 #define UFS_LINK_MAX		EXT2_LINK_MAX
112 #define XENIX_LINK_MAX		126     /* ?? */
113 
114 #endif	/* linux_fsinfo.h */
115