1 /* 2 * Copyright (c) 1989 Jan-Simon Pendry 3 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Jan-Simon Pendry at Imperial College, London. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)fstype.h 8.1 (Berkeley) 6/6/93 35 * $Id: fstype.h,v 1.3 2003/06/02 23:36:52 millert Exp $ 36 * 37 */ 38 39 /* 40 * File system types 41 */ 42 43 /* 44 * Automount File System 45 */ 46 #define HAS_AFS 47 extern am_ops afs_ops; /* Automount file system (this!) */ 48 extern am_ops toplvl_ops; /* Top-level automount file system */ 49 extern am_ops root_ops; /* Root file system */ 50 extern qelem afs_srvr_list; 51 extern fserver *find_afs_srvr(mntfs *); 52 53 /* 54 * Direct Automount File System 55 */ 56 #define HAS_DFS 57 extern am_ops dfs_ops; /* Direct Automount file system (this too) */ 58 59 /* 60 * Error File System 61 */ 62 #define HAS_EFS 63 extern am_ops efs_ops; /* Error file system */ 64 65 /* 66 * Inheritance File System 67 */ 68 #define HAS_IFS 69 extern am_ops ifs_ops; /* Inheritance file system */ 70 71 /* 72 * Loopback File System 73 * LOFS is optional - you can compile without it. 74 */ 75 #ifdef OS_HAS_LOFS 76 /* 77 * Most systems can't support this, and in 78 * any case most of the functionality is 79 * available with Symlink FS. In fact, 80 * lofs_ops is not yet available. 81 */ 82 #define HAS_LOFS 83 extern am_ops lofs_ops; 84 #endif 85 86 /* 87 * Netw*rk File System 88 * Good, slow, NFS. 89 * NFS host - a whole tree 90 */ 91 #define HAS_NFS 92 #define HAS_HOST 93 #define HAS_NFSX 94 extern am_ops nfs_ops; /* NFS */ 95 extern am_ops nfsx_ops; /* NFS X */ 96 extern am_ops host_ops; /* NFS host */ 97 #ifdef HOST_EXEC 98 extern char *host_helper; /* "/usr/local/etc/amd-host" */ 99 #endif 100 extern qelem nfs_srvr_list; 101 extern fserver *find_nfs_srvr(mntfs *); 102 103 /* 104 * Program File System 105 * PFS is optional - you can compile without it. 106 * This is useful for things like RVD. 107 */ 108 #define HAS_PFS 109 extern am_ops pfs_ops; /* PFS */ 110 111 /* 112 * Translucent File System 113 * TFS is optional - you can compile without it. 114 * This is just plain cute. 115 */ 116 #ifdef notdef 117 extern am_ops tfs_ops; /* TFS */ 118 #endif 119 #undef HAS_TFS 120 121 /* 122 * Un*x File System 123 * Normal local disk file system. 124 */ 125 #define HAS_UFS 126 extern am_ops ufs_ops; /* Un*x file system */ 127 128 /* 129 * Symbolic-link file system 130 * A "filesystem" which is just a symbol link. 131 * 132 * sfsx also checks that the target of the link exists. 133 */ 134 #define HAS_SFS 135 extern am_ops sfs_ops; /* Symlink FS */ 136 #define HAS_SFSX 137 extern am_ops sfsx_ops; /* Symlink FS with existence check */ 138 139 /* 140 * Union file system 141 */ 142 #define HAS_UNION_FS 143 extern am_ops union_ops; /* Union FS */ 144