1 /* Constants from kernel header for various FSes. 2 Copyright (C) 1998,1999,2000,2001,2002,2003 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, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #ifndef _LINUX_FSINFO_H 20 #define _LINUX_FSINFO_H 1 21 22 /* These definitions come from the kernel headers. But we cannot 23 include the headers here because of type clashes. If new 24 filesystem types will become available we have to add the 25 appropriate definitions here.*/ 26 27 /* Constants that identify the `adfs' filesystem. */ 28 #define ADFS_SUPER_MAGIC 0xadf5 29 30 /* Constants that identify the `affs' filesystem. */ 31 #define AFFS_SUPER_MAGIC 0xadff 32 33 /* Constants that identify the `autofs' filesystem. */ 34 #define AUTOFS_SUPER_MAGIC 0x187 35 36 /* Constants that identify the `bfs' filesystem. */ 37 #define BFS_MAGIC 0x1BADFACE 38 39 /* Constants that identify the `coda' filesystem. */ 40 #define CODA_SUPER_MAGIC 0x73757245 41 42 /* Constants that identify the `coherent' filesystem. */ 43 #define COH_SUPER_MAGIC 0x012ff7b7 44 45 /* Constant that identifies the `ramfs' filesystem. */ 46 #define CRAMFS_MAGIC 0x28cd3d45 47 48 /* Constant that identifies the `devfs' filesystem. */ 49 #define DEVFS_SUPER_MAGIC 0x1373 50 51 /* Constant that identifies the `devpts' filesystem. */ 52 #define DEVPTS_SUPER_MAGIC 0x1cd1 53 54 /* Constant that identifies the `efs' filesystem. */ 55 #define EFS_SUPER_MAGIC 0x414A53 56 #define EFS_MAGIC 0x072959 57 58 /* Constant that identifies the `ext2' and `ext3' filesystems. */ 59 #define EXT2_SUPER_MAGIC 0xef53 60 61 /* Constant that identifies the `hpfs' filesystem. */ 62 #define HPFS_SUPER_MAGIC 0xf995e849 63 64 /* Constant that identifies the `iso9660' filesystem. */ 65 #define ISOFS_SUPER_MAGIC 0x9660 66 67 /* Constant that identifies the `jffs' filesystem. */ 68 #define JFFS_SUPER_MAGIC 0x07c0 69 70 /* Constant that identifies the `jffs2' filesystem. */ 71 #define JFFS2_SUPER_MAGIC 0x72b6 72 73 /* Constant that identifies the `jfs' filesystem. */ 74 #define JFS_SUPER_MAGIC 0x3153464a 75 76 /* Constants that identify the `minix2' filesystem. */ 77 #define MINIX2_SUPER_MAGIC 0x2468 78 #define MINIX2_SUPER_MAGIC2 0x2478 79 80 /* Constants that identify the `minix' filesystem. */ 81 #define MINIX_SUPER_MAGIC 0x137f 82 #define MINIX_SUPER_MAGIC2 0x138F 83 84 /* Constants that identify the `msdos' filesystem. */ 85 #define MSDOS_SUPER_MAGIC 0x4d44 86 87 /* Constants that identify the `ncp' filesystem. */ 88 #define NCP_SUPER_MAGIC 0x564c 89 90 /* Constants that identify the `nfs' filesystem. */ 91 #define NFS_SUPER_MAGIC 0x6969 92 93 /* Constants that identify the `ntfs' filesystem. */ 94 #define NTFS_SUPER_MAGIC 0x5346544e 95 96 /* Constants that identify the `proc' filesystem. */ 97 #define PROC_SUPER_MAGIC 0x9fa0 98 99 /* Constant that identifies the `usbdevfs' filesystem. */ 100 #define USBDEVFS_SUPER_MAGIC 0x9fa2 101 102 /* Constants that identify the `qnx4' filesystem. */ 103 #define QNX4_SUPER_MAGIC 0x002f 104 105 /* Constants that identify the `reiser' filesystem. */ 106 #define REISERFS_SUPER_MAGIC 0x52654973 107 108 /* Constant that identifies the `romfs' filesystem. */ 109 #define ROMFS_SUPER_MAGIC 0x7275 110 111 /* Constants that identify the `smb' filesystem. */ 112 #define SMB_SUPER_MAGIC 0x517b 113 114 /* Constants that identify the `sysV' filesystem. */ 115 #define SYSV2_SUPER_MAGIC 0x012ff7b6 116 #define SYSV4_SUPER_MAGIC 0x012ff7b5 117 118 /* Constants that identify the `udf' filesystem. */ 119 #define UDF_SUPER_MAGIC 0x15013346 120 121 /* Constants that identify the `ufs' filesystem. */ 122 #define UFS_MAGIC 0x00011954 123 #define UFS_CIGAM 0x54190100 /* byteswapped MAGIC */ 124 125 /* Constants that identify the `xenix' filesystem. */ 126 #define XENIX_SUPER_MAGIC 0x012ff7b4 127 128 /* Constant that identifies the `shm' filesystem. */ 129 #define SHMFS_SUPER_MAGIC 0x01021994 130 131 /* Constants that identify the `xfs' filesystem. */ 132 #define XFS_SUPER_MAGIC 0x58465342 133 134 /* Constants that identify the `vxfs' filesystem. */ 135 #define VXFS_SUPER_MAGIC 0xa501fcf5 136 137 /* Maximum link counts. */ 138 #define COH_LINK_MAX 10000 139 #define EXT2_LINK_MAX 32000 140 #define MINIX2_LINK_MAX 65530 141 #define MINIX_LINK_MAX 250 142 #define REISERFS_LINK_MAX 64535 143 #define SYSV_LINK_MAX 126 /* 127? 251? */ 144 #define UFS_LINK_MAX EXT2_LINK_MAX 145 #define XENIX_LINK_MAX 126 /* ?? */ 146 #define XFS_LINK_MAX 2147483647 147 148 /* The Linux kernel header mentioned this as a kind of generic value. */ 149 #define LINUX_LINK_MAX 127 150 151 152 #endif /* linux_fsinfo.h */ 153