filecore_node.h revision 1.1.4.2
1 /* $NetBSD: filecore_node.h,v 1.1.4.2 2004/08/03 10:52:24 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * filecore_node.h 1.1 1998/6/26 32 */ 33 34 /*- 35 * Copyright (c) 1998 Andrew McMurry 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * filecore_node.h 1.1 1998/6/26 66 */ 67 68 #include <miscfs/genfs/genfs_node.h> 69 70 /* 71 * In a future format, directories may be more than 2Gb in length, 72 * however, in practice this seems unlikely. So, we define 73 * the type doff_t as a long to keep down the cost of doing 74 * lookup on a 32-bit machine. If you are porting to a 64-bit 75 * architecture, you should make doff_t the same as off_t. 76 */ 77 #define doff_t long 78 79 struct filecore_node { 80 struct genfs_node i_gnode; 81 LIST_ENTRY(filecore_node) i_hash; 82 struct vnode *i_vnode; /* vnode associated with this inode */ 83 struct vnode *i_devvp; /* vnode for block I/O */ 84 u_long i_flag; /* see below */ 85 dev_t i_dev; /* device where inode resides */ 86 ino_t i_number; /* the identity of the inode */ 87 daddr_t i_block; /* the disc address of the file */ 88 ino_t i_parent; /* the ino of the file's parent */ 89 90 struct filecore_mnt *i_mnt; /* filesystem associated with this inode */ 91 struct lockf *i_lockf; /* head of byte-level lock list */ 92 int i_diroff; /* offset in dir, where we found last entry */ 93 94 struct filecore_direntry i_dirent; /* directory entry */ 95 }; 96 97 #define i_forw i_chain[0] 98 #define i_back i_chain[1] 99 #define i_size i_dirent.len 100 101 /* flags */ 102 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 103 104 #define VTOI(vp) ((struct filecore_node *)(vp)->v_data) 105 #define ITOV(ip) ((ip)->i_vnode) 106 107 #define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0) 108 109 /* 110 * Prototypes for Filecore vnode operations 111 */ 112 int filecore_lookup __P((void *)); 113 #define filecore_open genfs_nullop 114 #define filecore_close genfs_nullop 115 int filecore_access __P((void *)); 116 int filecore_getattr __P((void *)); 117 int filecore_read __P((void *)); 118 #define filecore_poll genfs_poll 119 #define filecore_mmap genfs_mmap 120 #define filecore_seek genfs_seek 121 int filecore_readdir __P((void *)); 122 int filecore_readlink __P((void *)); 123 #define filecore_abortop genfs_abortop 124 int filecore_inactive __P((void *)); 125 int filecore_reclaim __P((void *)); 126 int filecore_link __P((void *)); 127 int filecore_symlink __P((void *)); 128 int filecore_bmap __P((void *)); 129 int filecore_strategy __P((void *)); 130 int filecore_print __P((void *)); 131 int filecore_pathconf __P((void *)); 132 int filecore_blkatoff __P((void *)); 133 134 struct vnode *filecore_ihashget __P((dev_t, ino_t, struct lwp *)); 135 void filecore_ihashins __P((struct filecore_node *)); 136 void filecore_ihashrem __P((struct filecore_node *)); 137 138 mode_t filecore_mode __P((struct filecore_node *)); 139 struct timespec filecore_time __P((struct filecore_node *)); 140 ino_t filecore_getparent __P((struct filecore_node *)); 141 int filecore_fn2unix __P((char *, char *, u_int8_t *)); 142 int filecore_fncmp __P((const char *, const char *, u_short)); 143 int filecore_dbread __P((struct filecore_node *, struct buf **)); 144
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